FOAM CHAMBER MODEL - FCA & FCA-S - fci119.com · FOAM CHAMBER MODEL - FCA & FCA-S TECHNICAL DATA...

JUNE, 2014 HD 254PAGE 1 OF 6

FOAM CHAMBER MODEL - FCA & FCA-S

TECHNICAL DATA

LISTED4UT3

FEATURES

• UL Listed

• Heavy duty welded construction with choice of Carbon Steel or Stainless Steel material

• Frangible Glass Vapour Seal

• Controlled Air Flow proportional to liquid flow for optimum foam quality and rupture of vapour seal in narrow pressure tolerances for increased reliability

• Field replaceable orifice plate fitted with Foam Chamber

• Interchangeable with HD Foam Chamber Model FC

APPLICATION

Foam Chamber is used in one of the most common application to protect vertical fixed roof (cone) liquid

storage tanks, with or without internal floating roof

with the low expansion foam system. The application of foam is on the basis that the risk comprises the total surface area of the fuel. The foam system design guidelines generally used are in accordance with NFPA-11, standard.

Foam chambers are defined by NFPA-11 as Type II discharge outlets for delivering the foam to the surface of a flammable liquid. The Foam Chambers are widely used with the Inline Foam Inductor, Balance Pressure Foam Proportioning system, Bladder Tank Proportioner or Foam Tender.

MODELS FCA-65, FCA-80 & FCA-100 Carbon Steel Construction

FCA-S 65, FCA-S 80 & FCA-S 100 Stainless Steel Construction

INLET SIZE 65, 80, 100 NB

WORKING Min 2.8 Kg/cm2 (40 PSI)PRESSURE Max 7 Kg/cm2 (100 PSI)

FLANGE ANSI B16.5 Class 150#CONNECTION

WEIGHT 65 NB - 34.5 Kg(Approx) 80 NB - 49.5 Kg 100 NB - 72.0 Kg

VAPOUR SEAL 0.7 to 1.75 Kg/sq.cm.RUPTURE (10 PSI to 25 PSI)PRESSURE Running water/ water foam solution pressure at inlet of Foam Chamber

MAXIMUM 0.07 Kg/sq.cm. (1.0 PSI)PERMISIBLE BACKPRESSURE ON VAPOUR SEAL

VAPOUR SEAL Glass

Deflector Solid or Split Deflector

FINISH Red RAL 3000

APPROVAL UL Listed

ORDERING a) Model & SizeINFORMATION b) Flow & Pressure at inlet of each Foam Chamber

c) Inlet, outlet flange specification

d) Type of Deflector

e) Foam concentrate used

f) Tank number / Tag number


SPECIFICATION

Foam Chamber is an air aspirating foam discharge device, covering wide range of flow from 150 to 2400 litres per minute at 2.8 to 7 kg/sq.cm. inlet pressure. The Foam Chamber contains a vapour seal to prevent the entry of vapour into the foam chamber and the foam solution pipe. Each foam chamber is supplied with an orifice plate, designed for the required flow and inlet pressure. The orifice is field replaceable in the event of change in design parameters.

The foam is produced by introducing air into the foam solution stream. The inlet of foam chamber is designed to create venturi jet which draws air into the foam solution stream. The air is drawn into the foam solution through the holes located on the foam chamber covered with stainless steel screen to exclude nesting birds and insects. The aerated foam is directed into the deflector for the gentle application of the expanded foam. The deflectors are available in different models.

On removal of cover plate from the top of the chamber allows the system to be tested and to draw a sample of the expanded foam, without removing the vapour seal or disconnecting the foam chamber from the tank. Frangible glass bursting disc (vapour seal) can be replaced by easily.

The vapour seal is designed to rupture within 0.7 to 1.75 Kg/sq.cm. (10 to 25 PSI) pressure at inlet flange of Foam Chamber, as required by NFPA, UL & FM standard. The vapour seal will withstand maximum back pressure of 0.07 Kg/sq.cm. Bar (1.0 PSI) or equal to 686mm of water column as specified by API for welded storage tank. If the requirement exceeds 0.07 Kg/sq.cm. Bar (1.0 PSI) as in case of nitrogen blanketing system, then this equipment may not be suitable.

The vapour seal is frangible glass. The vapour seal is supplied with holder and for spares it can be with or without holder. The ‘O’ ring used for seal are Nitride rubber and optional Viton for polar solvent.

SYSTEM DESIGN REQUIREMENT

The NFPA-11, a standard for low expansion foam, provides the essential requirement of an appropriate designed foam pouring system, which are identified and outlined as below:

The Foam Deflector is used with the Foam Chamber.

The aerated foam from the Foam Chamber is directed in to the deflector for the gentle application of the expanded foam. The deflector reduces the expanded foam velocity and allows the foam to slide down the tank wall.

(a) Number of Foam Chamber:

The number of foam chambers required is determined by the tank diameter. Where two or more foam chambers are required, they shall be spaced equally around the tank periphery and each Foam Chamber shall be sized to deliver foam at an approximately same rate. Please refer graph to select the unit that will provide the required minimum foam solution application rate at the available operating pressure of the Foam Chamber.

For minimum number of Foam Chamber requirement, kindly follow the recommendations as per NFPA/OISD/TAC or as per the governmental codes or ordinances wherever applicable.

(b) Minimum Foam Solution Application Rate:

The minimum foam solution application rate is the rate at which the water and foam concentrate in correctly proportioned ratio should be delivered to the surface of a storage tank under protection to control and extinguish the fire.

For minimum application rate requirement, follow the recommendations as per NFPA/OISD/ TAC or governmental codes or ordinances wherever applicable.


TESTING & MAINTENANCE

Qualified and trained person must commission the system. After few initial successful tests, an authorized person must be trained to perform inspection and testing of the system. It is recommended to carry out physical inspection of the system regularly. The system must be fully tested at least once in a year or in accordance with applicable NFPA/OISD/TAC standards or in accordance with standards of the organization having local jurisdiction.

Do not turn off the system or any valve to make repair or test the system, without placing a roving Fire Patrol in the area covered by the system. The Patrol should continue until the system is put back in service. Also inform the local security guard and control alarm station, so as to avoid false alarm.

Each system is to be flushed properly. The vapour seal must be replaced if the system has been operated. Normal testing of the chamber can be carried out by removing the cover plate from the top of the chamber. This allows the system to draw a sample of the expanded foam without removing the vapour seal or disconnecting the Foam Chamber from the tank.

The air screen is to be inspected periodically for the obstruction of air inlet holes. If any obstruction is noticed, remove the same and flush if necessary.

It is recommended to have regular maintenance programme to inspect the Vapour Seal Chamber discharge area and deflector for possible deposit or obstruction.

CAUTION

Do not install Foam chambers on pressured storage tanks (Inert gas blanketed tanks) and storage tanks containing product which attack the foam chamber standard construction material.

Maximum permissible back pressure on vapour seal is 0.07 Kg/sq.cm.2 (1.0 PSI)

NOTE:

1. A PROVISION IS TO BE MADE FOR PRESSURE GAUGE MOUNTING AT INLET OF FOAM CHAMBER, WHICH MAY BE PLUGGED AFTER SUCCESSFUL COMMISSIONING OF THE SYSTEM. THIS WILL HELP TO ANALYSE THE SYSTEM WHILE COMMISSIONING.

2. REFER TO THE INDIVIDUAL FOAM LISTING FOR OPERATING LIMITATION WITH EACH FOAM CONCENTRATE AND FOAM CHAMBER.

Selection of HD Foam Chamber:

To select the size of the Foam Chamber use the following formula:

Q = K √ P

Q = Total solution flow in litres per minute.

K = Constant for Foam Chamber

P = Inlet pressure in kg/sq.cm.

FOAM CHAMBER SIZE

K - FACTOR

65 NB 89.6 TO 207.8

80 NB 179.2 TO 385.9

100 NB 358.5 TO 907.2


NOTE:

1. Pipes used are ERW (Seamless Pipe are optional)

2. Foam chambers are open to atmosphere & do not have internal shutoff device,hence no hydrotest is offered during inspection.

FOAM CHAMBER

INLETSIZE

OUTLETSIZE

A B C

F1 F265NB 100NB 756 600 17580NB 150NB 1093 908 225100NB 200NB 1221 996 275

ITEMNO.

DESCRIPTIONMATERIAL SPECIFICATON

FCA FCA-S

1 ORIFICE ASSEMBLY STAINLESS STEEL STAINLESS STEEL

2 INLET FLANGE STEEL STAINLESS STEEL

3 STRAINER ASSEMBLY STAINLESS STEEL STAINLESS STEEL

4 FOAM MAKING CHAMBER STEEL PIPE SS PIPE

5 FOAM CHAMBER STEEL STAINLESS STEEL

6 INSPECTION COVER STEEL STAINLESS STEEL

7 DISCHARGE PIPE STEEL PIPE SS PIPE

8 OUTLET FLANGE STEEL STAINLESS STEEL

9 VAPOUR SEAL ASSEMBLY GLASS GLASS

DIMENSIONS OF FOAM CHAMBER PART LIST

1

2

3

4

5

6

9

7

8

F2

F1

A

C

B

in millimeter (Approximate)


TYPICAL FOAM CHAMBER INSTALLATION WITH DEFLECTOR

TYPICAL INSTALLATION OF FOAM CHAMBER WITH STUD FLANGED SPLIT DEFLECTOR

TANK CUTOUT FOR MOUNTING OF SPLIT DEFLECTOR

TYPICAL INSTALLATION OF FOAM CHAMBER WITH STUD FLANGED TANK NOZZLE AND SOLID DEFLECTOR

NOTE:

1. Above dimensions are general guidelines only. The system designer can adopt the dimensions as per NFPA/TAC/OISD or as per the governing rules & ordinance having local jurdiction.

2. Tank Nozzle nutbolts & gasket are optional to be ordered separately.

3. Split deflector Model SD and solid deflector Model FD is standard supply in carbon steel material and optional in stainless steel.

FOAM CHAMBER SIZE CUTOUT SIZE

TYPEINLET

FLANGE SIZE

OUTLET FLANGE

SIZERØ PCD

HOLEØ’d’

NO OFHOLES

FCA 65 65 100 114 191 19 4

FCA 80 80 150 168 241 22 4

FCA 100 100 200 219 298 22 8

NOTE:

Stud Mounting Pad with gasket & split deflector

are optional items. To be ordered separately.

TANK SHELL

SPLIT DEFLECTOR

GASKETS

MOUNTING PADASSEMBLY

FOAM CHAMBER

OUTLET FLANGE

INLET FLANGE

RØPCD

Ø'd'

FLANGE OUTLINE

STORAGE TANK

SPLIT DEFLECTORMODEL SD

FOAM CHAMBERMODEL FCA

* BY INSTALLER

*

STUD MOUNTING PAD

STORAGE TANK

TANK NOZZLE FOAM CHAMBERMODEL FCA

*

*

*SOLID DEFLECTORMODEL FD

* *

(BY OTHERS)

* BY INSTALLER

150 150

200

GLASS VAPOUR SEALWITH HOLDER (STANDARD SUPPLY)


LIMITED WARRANTY

HD FIRE PROTECT PVT. LTD. hereby referred to as HD FIRE warrants to the original purchaser of the fire protection products manufactured by HD FIRE and to any other person to whom such equipment is transferred, that such products will be free from defect in material and workmanship under normal use and care, for two (2) years from the date of shipment by HD FIRE. Products or Components supplied or used by HD FIRE, but manufactured by others, are warranted only to the extent of the manufacturer’s warranty. No warranty is given for product or components which have been subject to misuse, improper installation, corrosion, unauthorized repair, alteration or un-maintained. HD FIRE shall not be responsible for system design errors or improper installation or inaccurate or incomplete information supplied by buyer or buyer’s representatives.HD FIRE will repair or replace defective material free of charge, which is returned to our factory, transportation charge prepaid, provided after our inspection the material is found to have been defective at the time of initial shipment from our works. HD FIRE shall not be liable for any incidental or consequential loss, damage or expense arising directly or indirectly from the use of the product including damages for injury to person, damages to property and penalties resulting from any products and components manufactured by HD FIRE. HD FIRE shall not be liable for any damages or labour charges or expense in making repair or adjustment to the product. HD FIRE shall not be liable for any damages or charges sustained in the adaptation or use of its engineering data & services. In no event shall HD Fire’s product liability exceed an amount equal to the sale price.The foregoing warranty is exclusive and in lieu of all other warranties and representation whether expressed, implied, oral or written, including but not limited to, any implied warranties or merchantability or fitness for a particular purpose. All such other warranties and representations are hereby cancelled.

NOTICE :

The equipment presented in this bulletin is to be installed in accordance with the latest publication standards of NFPA or other similar organisations and also with the provision of government codes or ordinances wherever applicable.The information provided by us are to the best of our knowledge and belief, and are general guidelines only. Site handling and installation control is beyond our reach. Hence we give no guarantee for result and take no liability for damages, loss or penalties whatsoever, resulting from our suggestion, information, recommendation or damages due to our product.Product development is a continuous programme of HD FIRE PROTECT PVT. LTD. and hence the right to modify any specification without prior notice is reserved with the company.

C-3/6, THE NANDANVAN IND. ESTATE, L.B.S. MARG, THANE 400 604., INDIA.• PHONES : + (91) 22 2583 5434 • 2582 6958 • 2582 6793 • FAX : +(91) 22 2581 2524 • 6796 9049• EMAIL : [email protected] WEBSITE : www.hdfire.com

HD FIRE PROTECT PVT. LTD.Protecting What Matters Most to You

PRESSURE VS FLOW PERFORMANCE CHARACTERISTIC

1200

1000

800

3

1800

1600

1400

54 76

400

2 3

1000

800

600

54 76432

FOA

M S

OLU

TIO

N F

LOW

200

100

300

765

400

FCA & FCA-S 65 NBINLET PRESSURE (KG/SQ.CM)

500

600

600

200

2

FLO

W I

N L

PM


FOA

M S

OLU

TIO

N F

LOW

FL

OW

IN

LP

M


FOA

M S

OLU

TIO

N F

LOW

FL

OW

IN

LP

M

2000

2600

2400

2200

OCTOBER, 2013 HD 208PAGE 1 OF 1

FOAM POURER

LIMITED WARRANTY


NOTICE :




Foam Pourers are UL Listed with FOAM MAKER Model FM-A & FM-AS, (refer catalogue HD 255) Tank seal pouring system for internal floating roof storage tank.

FP-55 is carbon steel material & FP-S-55 is in stainless steel 304/316 material.

DIMENSION in millimetre (Approximate)MODEL : FP-55 & FP-S-55

SIZE A B C

80 NB 500 260 75

100 NB 615 310 105

C B

A


FOAM CONCENTRATE BYPASS VALVE

TECHNICAL DATA

MODEL BV with Bronze material IS-318 / ASTM B62 BV-S with stainless steel material SS 316 (ASTM A 351-CF8M)

SIZE 40 & 50NB (1.5 & 2 INCH)

MAXIMUM SERVICE 14 Bar (200 PSI)PRESSURE

END CONNECTION Screwed Female BSPT (NPT Optional)

FRICTION LOSS IN 50NB - 14.1 MetersTERMS OF 40NB - 10.5 MetersEQUIVALENT LENGTH OF PIPE (C-120)

FACTORY 25 Bar (365 PSI)HYDROSTATIC TEST PRESSURE

FINISH Red epoxy painted

ORDERING SpecifyINFORMATION 1) Size 2) End connection

APPLICATIONThe foam concentrate bypass valve is used in the balance pressure foam proportioning pump skid system. The valve bypasses the controlled excess quantity of foam concentrate to concentrate storage tank.

SPECIFICATIONThe valve is diaphragm operated and works on the simple differential pressure principle. The pressure sensing lines, one from ratio controller inlet for water pressure and another from the concentrate supply pressure above the metering orifice are connected to bypass valve. The bypass valve automatically adjusts the concentrate pressure corresponding to the water pressure. The bypass is provided with flush out valves. The pressure sensing hose is Teflon with stainless steel braided cover and it is permanently attached with swivel coupling. The two separate pressure gauges, one for the water and one for the foam concentrate are provided with valve trims. A duplex gauge is supplied as an optional item in lieu of two pressure gauges. Each valve is factory tested for its performance.

INSPECTION AND MAINTENANCEA qualified and trained person must commission the system. After few initial successful tests an authorized person must be trained to perform inspection and testing of the system. Do not turn off

the system or any valve to make repairs or test the system, without placing a roving Fire Patrol in the area protected by the system. The patrol should continue until the system is back in service. Also inform the local security guards and control alarm station, so as to avoid false alarm.

It is recommended to carry out physical inspection of the system at least once a week. The inspection should verify that all the control valves are in proper position as per the system requirement and no damage has taken place to any component. The valve must be operated periodically and proper functioning must be verified. The test must be as per the procedure of system testing.

The system must be flushed after each operation and free flow of water must be drained from the flush-out connection.

The user is responsible for maintaining the valve in proper operating condition.


LIMITED WARRANTY


NOTICE :




FOAM CONCENTRATE BY-PASS VALVE

GAUGE

WATER PRESSURE

CONCENTRATE

FOAM PUMP

INLET FROM

FOAM

WATER FLUSHOUT

VALVE

VALVE

FOAM FLUSHOUT

ABOVE CONCENTRATE METERING

LINE FROM RATIO CONTROLLER

FOAM CONCENTRATE SENSING

ORIFICE

DRAIN PLUG

INLET OF RATIO CONTROLLER

RETURN LINE TO

FOAM CONCENTRATE

SENSING LINE FROM

WATER PRESSURE

STORAGE TANK

FOAM PRESSURE

GAUGE

DECEMBER, 2013 HD 187PAGE 1 OF 6

INLINE FOAM INDUCTOR

TECHNICAL DATA

MODEL IG - Bronze material IS - Stainless Steel material

OPERATING 6.5 to 12 BAR PRESSURE (93 - 175 PSI)

FACTORY 25 BAR (365 PSI)HYDROSTATICTEST PRESSURE

INDUCTION 3 or 6%

MAXIMUM BACK 65% of Inlet PressurePRESSURE

NOMINAL SIZE 65, 80, 100 &150 MM

FINISH Red RAL 3000

ORDERING 1) Inductor Inlet Pressure INFORMATION 2) Foam solution flow required 3) Percentage of induction 4) Type of foam concentrate to be used 5) Maximum suction lift. 6) Flange connection

DESCRIPTIONInline Foam Inductor is used to induct the foam liquid concentrate in water stream to supply proportioned solution of the liquid concentrate and water, to the foam producing equipment. The inductors are designed primarily for use in the fixed foam installation to provide a simple and reliable method of proportioning in constant flow applications. Each Inductor is designed for a pre-determined water pressure to give the correct proportioning at that pressure and discharge rate. The increase or decrease of the inlet pressure will result in an increase or decrease in the flow rate, which in turn will change the proportioning.

SPECIFICATIONInductors are available in three different materials of construction, a wide range of flow from 75 to 3500 litres per minute at inlet pressure between 6.4 to 12 bar as shown in the graph.

Each Inductor is accurately calibrated at the factory to match the flow, pressure and the induction requirement of the system. This enables to ensure and achieve the correct performance.

SYSTEM DESIGN DETAILSThe Inductor must be selected and installed in a hydraulically calculated system considering the limitation of permissible back pressure. The maximum back pressure allowed is expressed as 65% of pressure at the inlet of the inductor.

The optimum performance of Inline Inductor is with pressure above 8 Bar (115 PSI).

In the fixed foam system installation the inductor can be mounted above the concentrate storage tank. The maximum height of the Inductor suction pipe above the bottom of the storage tank to the inductor centre should not exceed 1.75 meters, with AFFF & 0.9 meter for AR-AFFF 3/3% foam concentrate. A minimum of 600 mm of unobstructed straight pipe line should be provided at the inlet and outlet of the inductor. The inductor must be installed in a system having minimum of 6.5 bar inlet pressure at inlet of inductor.

The diameter of water supply pipe and water foam solution pipe should not be less than that of the diameter of the inductor. A shut-off valve provided in the induction line must be full bore on-off valve.

The non-return valve if fitted in the foam induction pipe line, then it must be supplied or recommended by HD, so that the induction rate is properly calibrated in factory before supply. For best performance the inlet pressure at the inline inductor should be 6.8 bar or higher.

APPLICATIONInline Foam Inductors are quite suitable for application utilizing single fixed discharge device. The Inline Inductors are not suitable for variable flow or pressure applications. The Inline Inductors are not suitable for Sprinkler system or system utilizing multiple small orifice discharge devices, which may result in increased back pressure due to blockage of discharge device.


INSTALLATION AND MAINTENANCEInductor must be supported firmly to prevent strain on the inductor itself.

Qualified and trained person must commission the system. After few initial successful test, an authorized person must be trained to perform inspection and testing of the system. It is recommended to carry out physical inspection of the system regularly. The system must be fully tested at least once in a year or in accordance with applicable NFPA codes or in accordance to the standard of the organization having local jurisdiction.

Do not turn off the system or any valve to make repair or test the system, without placing a roving Fire Patrol in the area covered by the system. The Patrol should continue until the system is back in service. Also inform the local security guard and control alarm station, so that a false alarm will not be signalled.

SELECTION OF HD INLINE FOAM

INDUCTOR SIZE

Size of inductor Inductor K-Factor range65NB 29.4 TO 170.00

80NB 151.2 TO 340.00

100NB 302.4 TO 680.00

150NB 604.8 TO 1030.00

For selecting Inductor size, following formula to be used :

Q = K √ P

Q = Total solution flow rate in litres per minute.

K = Inductor constant


Example : To find K-Factor

Q = 200 LPM

P = 8.0 kg/sq.cm.

K = 200 ÷ √ 8

K = 70.71

This K=70.71 falls within the range of inductor with 50 NB size. Hence 50 NB inductor should be selected.

NOTES1) It is recommended to select next higher size of inductor when the K-factor is very close to the higher range of model.

2) A pressuge gauge mounting socket at inlet and outlet of Inductor must be provided, which will help to analize the system during commissioning. The socket can be plugged in once the system has been commissioned successfully.

3) The maximum permissible back pressure is 65% of inlet pressure. The system designer should consider and design the system with 62% or less than back pressure as safe design.

4) Inductor must be adequately supported so that no strain is imposed on the inductor body.


INLINE FOAM INDUCTOR

DIMENTIONS in millimeters (Approximate)

B

C

13 24

F1 F2

A

MATERIAL OF CONSTRUCTION

INDUCTOR SIZE

A B CFLANGE SIZE

F1 / F2

65NB 350 75 3/4” BSP 65NB

80NB 400 80 1” BSP 80NB

100NB 450 85 1-1/4” BSP 100NB

150NB 500 90 1-1/4” BSP 150NB

SR. NO.

DESCRIPTION MODEL

IG IS

1 HOUSING BRONZE IS:318, LTB-II SS 304 / 316 ASTM A351-CF8M2 DIFFUSER BRONZE IS:318, LTB-II SS 304 / 316 ASTM A351-CF8M3 NOZZLE BRONZE IS:318, LTB-II SS 304 / 316 ASTM A351-CF8M4 ORIFICE SS 304 / 316 SS 304 / 316 ASTM A351-CF8M

Standard supply is CF8, optional is CF8M


PRESSURE VS FLOW-PERFORMANCE CHARACTERISTICS

0

200

400

600

800

1000

1200

1400

6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12

INLET PRESSURE (KG./SQ.CM.)

SIZE 80NB

FLO

W (L

PM

)

0

6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12


SIZE 100NB

2500

FLO

W (L

PM

) 2000

1500

1000

500

0

6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12


SIZE 150NB

4000F

LO

W (L

PM

)

3500

3000

2500

2000

1500

1000

500

0

100

200

300

400

500

600

700

6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12


SIZE 65NB

FLO

W (L

PM

)


TYPICAL MOUNTING ARRANGEMENT OF INLINE FOAM INDUCTION SYSTEM

WITH INDUCTOR MOUNTING ON TOP OF THE TANK

WITH INDUCTOR MOUNTING BELOW THE TANK

NOTE :AUTOMATION OF THIS VALVEPERMITS THE ACTVATION OFTHIS SYSTEM FROM ANY REMOTE SIGNALLING SOURCE.

FILL CONNECTION VENT

EXPANSION DOME

FOAM CONCENTRATESTORAGE TANK

WATER SUPPLY

FOAM SOLUTION TO DISCHARGE DEVICE

SIGHT GLASS

DRAIN VALVE

FILL CONNECTION VENT

EXPANSION DOME

FOAM CONCENTRATESTORAGE TANK

FOAM SOLUTION TO DISCHARGE DEVICE

SIGHT GLASS

DRAIN VALVE

WATER SUPPLY

INLINE INDUCTOR

BALL VALVE

SWING CHECK VALVE

PIPE UNION

NOTE :USE MINIMUM OF 600mm.STRAIGHT UNOBSTRUCTED PIPE AT INLET AND OUTLET OF EACH INLINE INDUCTOR.


LIMITED WARRANTY


NOTICE :





INLINE BALANCE PRESSURE FOAM PROPORTIONER

TECHNICAL DATA

MODEL IB - Bronze construction IS 318 / ASTM B62 IBS - Stainless Steel (304) construction (ASTM A351-CF8)

SIZE 80, 100 & 150 NB

MAXIMUM SERVICE 14 Bar (200 PSI) PRESSURE

MIMIMUM WORKING 3.0 Bar (44 PSI)PRESSURE

MOUNTING ANSI B16.5-150#Between the Flanges

THREAD OPENING BSPT/NPT optional

PRESSURE SENSING TEFLON tube with HOSE Stainless Steel braided cover

TRIM CONNECTION Stainless Steel AND VARIOUS CONTROL VALVES

FACTORY 25 Kg./ Sq.cm. (350 PSI)HYDROSTATIC TESTPRESSURE

FINISH Epoxy red painted

ORDERING Specify:INFORMATION a) Model Number b) Flow rate c) Percentage Induction d) Type of Foam Concentrate used

APPLICATION

The Inline Balance Pressure Foam Proportioners are used with positive displacement foam concentrate supply pump . The system controls accurately the flow of foam concentrate into the water stream over a wide range of flow rate and pressure.

The Inline Balance Pressure Foam Proportioning System is used for simultaneous operation of the multiple foam injection even with different pressures between the two injection point with a single concentrate supply line. Various sizes of inline balance pressure proportioners can be combined to suit the flow requirement of each hazard area.

SPECIFICATION

Inline balance pressure proportioning system utilizes a single, positive displacement foam concentrate supply pump, an atmospheric foam concentrate storage tank, inline balance proportioner, and a foam concentrate regulating valve. The pressure regulating

valve is mounted on foam concentrate return line to the foam concentrate storage tank. The valve regulates the foam concentrate supply pressure. The Inline balance pressure proportioner consists of a ratio controller, diaphragm operated pressure balancing valve, water and foam gauges, and pressure sensing hose of teflon tube with stainless steel braided cover, interconnecting trim fittings with various control and flush valves. The water inlet pressure and foam concentrate pressure at metering orifice is sensed by a diaphragm valve and it automatically balances the concentrate supply to provide accurately proportioned water foam solution over a wide range of flow conditions.

A foam concentrate supply valve is also provided as an optional item. The system requires foam concentrate supply pressure of 1.5-2.0 bar. higher than the water supply pressure. The Inline balance pressure proportioner is also provided with a manual balancing valve.

INSPECTION AND MAINTENANCE

A qualified and trained person must commission the system. After a few initial successful tests, an authorized person must be trained to perform the inspection and testing of the system. It is recommended to carry out physical inspection of the system at least once in a week. The inspection should verify that all the valves are in their proper position as per the system requirement and no damage has taken place to any component.

The system where foam concentrate piping is maintained in charged condition, the provision should be made to flow foam through each Inline Balance Proportioner at least once in six weeks. The system should be fully tested at least once in a year or in accordance with applicable NFPA codes, or in accordance to the guidelines of the organization having local jurisdiction.


INLINE BALANCE PRESSURE PROPORTIONER WITH MANUAL OVERRIDE

RATIO CONTROLLER FLOW RANGE

DIMENSIONS in mm (Approximate)

SIZE FLOW RANGE IN LPM

AFFF 3% ARAFFF 3/3%80 260 to 3000 680 to 2900

100 650 to 6000 1400 to 5800

150 1200 to 12000 2750 to 11600

INLINE BALANCE PRESSURE PROPORTIONER WITHOUT MANUAL OVERRIDE



MODELApproximate Dimensions (in mm)

‘A’ ‘B’ ‘C’ ‘D’ ‘E’

80 NB RCW 107.5 330 285 450 40 NB

100 NB RCW 126 320 300 460 40 NB

150 NB RCW 133 390 335 520 50 NB

MODELApproximate Dimensions (in mm)

‘A’ ‘B’ ‘C’ ‘D’ ‘E’

80 NB RCW 107.5 460 285 495 40 NB100 NB RCW 126 450 300 505 40 NB150 NB RCW 133 530 335 570 50 NB

D

A

C

B

MANUAL OVERRIDE VALVEFOAM SENSING LINE

FOAM CONCENTRATE

SUPPLY VALVE

CONNECTION

CONCENTRATE

INLET

FOAM

DRAIN PLUG

WATER INLET

FOAM SOLUTION

OUTLET

RATIO CONTROLLER

WAFER STYLE

DIAPHRAGM BALANCE VALVE

WATER SENSING LINE

FOAM GAUGE

WATER GAUGE

WATER FLUSH OUT VALVE

FOAM CONCENTRATE

FLUSH OUT VALVE

( 'E' )

B A

C

D

CONNECTION

CONCENTRATE

INLET

FOAM

WATER INLET FOAM SOLUTION

OUTLET

RATIO CONTROLLER

WAFER STYLE

FOAM GAUGE

WATER GAUGE

FOAM SENSING LINE

DRAIN PLUG

WATER SENSING LINE

FOAM CONCENTRATE

SUPPLY VALVE

DIAPHRAGM BALANCE VALVE

WATER FLUSH OUT VALVEFOAM CONCENTRATE

FLUSH OUT VALVE

( 'E' )


FLOW VS PRESSURE LOSS

INLET PRESSURE VS FOAM SOLUTION FLOW

80NB

0 300 600 900 1200 1500 1800 2100 2400 2700 3000 330020

40

60

80

100

120

140

160

180

FOAM SOLUTION FLOW , LPM

INLE

T PR

ESSU

RE

, PSI

FOAM SOLUTION FLOW , LPMIN

LET

PRES

SUR

E , P

SI

100NB

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 650020

40

60

80

100

120

140

160

180

150NB

0 2000 4000 6000 8000 10000 1200020

40

60

80

100

120

140

160

180


INLE

T PR

ESSU

RE

, PSI

Flow - LPM ( AXIS READING X 100)

Flow - GPM ( AXIS READING X 10)

Fric

tion

Loss

- PS

I

Fric

tion

Loss

-KG

/SQ

CM

3 4 5 7 10 20 30 50 70 100 150

7 10 20 30 40 50 70 100 200 300

1

2

3

4

5

6

7

10

18

0.1

0.2

0.3

0.4

0.5

0.6

0.7

1

3”

4”

6”


LIMITED WARRANTY


NOTICE :




TYPICAL INLINE BALANCE PRESSURE FOAM PROPORTIONING SYSTEM

FILL CONNECTIO

N

VENT VALVE

EXPANSION D

OME

FOAM CONCENTRATE

STORAGE TANKDRAIN

VALVE

CONCENTRATE SUPPLY V

ALVE

CONCENTRATE

RETURN VALVE

FLUSH OUT

FLUSH IN

PRESSURE

REGULATING

VALVE

CONCENTRATE

RETURN LINE

R

PUMP UNITPUMP

STARTER

WATER SUPPLY

FOAM CONCENTRATE C

ONTROL VALVE

CONCENTRATE

PRESSURE GAUGE

FOAM SOLUTIO

N

DISCHARGE

WATER

PRESSUREGAUGE

RA

TIO

CO

NT

RO

LL

ER

SEPTEMBER, 2014 HD 190PAGE 1 OF 2

SKID MOUNTED BALANCE PRESSURE FOAM PROPORTIONING SYSTEM

APPLICATION

Balance Pressure pump skid-proportioning system accurately controls the flow of foam concentrate in to the water stream. The system automatically controls the foam concentrate over a wide range of flow and pressure, without manual adjustment.

The system is typically used in the fixed foam system and specialised mobile equipments to protect tank farm, offshore platform, air craft hanger, marine dock, loading rack and in many other applications and in all types of hazard.

SPECIFICATION

The basic system utilizes the principle of operation based on the use of a modified venturi device called “Ratio Controller”. As the water flows through a nozzle at the inlet of ratio controller, a low-pressure area is created between the inlet nozzle and a down stream section called diffuser. This low-pressure area causes foam concentrate to flow through a metering orifice at the concentrate inlet and into the low-pressure area. As the system demand varies, the flow through the ratio controller increase or decreases, which in turn varies the pressure at low pressure area of ratio controller, creating a corresponding pressure drop across the foam concentrate metering orifice. This corresponding change of pressure results in a foam concentrate flow, which is proportional to the water flow through the ratio controller.

The pressure sensing line from the ratio controller inlet for water pressure, and from the concentrate supply side above the metering orifice are connected to a bypass valve. This valve automatically adjusts the concentrate pressure corresponding to the water pressure by re-circulating the concentrate in return line to the concentrate storage tank. Manually the pressure can also be balanced by using manual regulating globe valve to read equal pressure of the water gauge and the foam concentrate gauge (or through a duplex gauge).

The system is available as a skid mounted unit, in different flow range, varying from 150 to 18000 LPM. Each skid consist of a positive displacement pump, a pump drive, an electric control, a bypass valve, a manual regulating valve, a ratio controller, interconnecting piping in stainless steel with various controlling valves, check valve, flush-in and flush-out valve. The system is also available for operation in auto mode.


A qualified and trained person must commission the system. After few initial successful tests, an authorised person must be trained to perform the inspection and testing of the system. It is recommended to carry out physical inspection of the

system at least once in a week. The inspector should verify that all the valves are in their proper position as per the system requirement and there is no damage to any component.

Do not turn off the system or any valve to repair or test the system, without placing a roving Fire Patrol in the area covered by the system. The patrol should continue until the system is back in service. Also inform the local security guards and control alarm station, so that a false alarm will not be signalled. The system must be periodically checked for its normal operating condition. All the valves must be verified for its normal operating condition. The electrical controls must also be verified.

The system must be operated periodically to verify its normal operating condition as per the instruction for testing provided with the equipment.

The entire system must be fully tested at least once in a year in accordance with the applicable NFPA codes, or in accordance to the guidelines of the organisation having local jurisdiction.

SEPTEMBER, 2014 HD 190PAGE 2 OF 2

LIMITED WARRANTY


NOTICE :




TYPICAL INSTALLATION OF BALANCE PRESSURE FOAM PROPORTIONING SYSTEM

FILL CONNECTION

~

PUMP UNIT

FLUSH IN

FLUSH OUTDRAIN VALVE

CONCENTRATE RETURN LINE

WATER PRESSURE

SENSING LINE

RATIO CONTROLLER

FOAM SOLUTIONDISCHARGE

STORAGE TANK

FOAM CONCENTRATE

CONCENTRATE SUPPLY VALVE

CONCENTRATE RETURN VALVE

BREATHER VALVE (OPTIONAL)

EXPANSION DONE

MANUAL CONTROL VALVE

CONCENTRATE PRESSURE SENSING LINE

STARTERMOTOR

WATER SUPPLY

FOAM SOLUTIONDISCHARGE

VENT /

BY-PASS VALVE


FOAM CONCENTRATE CONTROL VALVE

TECHNICAL DATA

MODEL CV

SIZE 25NB, 40NB & 50NB

RATED PRESSURE 14 Kg./sq.cm. (200 PSI)

END CONNECTION Flanged end to ANSI B 16.5 Class 150#

PRESSURE SENSING Teflon tube with Stainless HOSE Steel braided cover

TRIM CONNECTION Brass / Stainless Steel

FACTORY 25 Kg./sq.cm. (365 PSI)HYDROTESTED

FINISH RED RAL 3000

ORDERING Specify Model, Size INFORMATION of valve

APPLICATION

Foam concentrate control valve is designed for use in bladder tank foam system or inline balance pressure proportioning system. The valve opens automatically when water supply is established through the inlet pipe of ratio controller of bladder tank or in the inline balance pressure proportioning system. The valve opens at minimum of 2.1 Kg./sq.cm. (30 psi) water pressure. No electric power is required to operate the valve.

SPECIFICATION

The foam concentrate control valve utilizes water as the medium to open the valve. A manual override facility is provided to open the valve. In normal condition the valve remains in closed position. When, a minimum water pressure of 2.1 Kg./sq.cm. (30 psi) is established the valve opens and closing of the valve is manual.


A qualified and trained person must commission the system. After few initial successful tests, an authorised person must be trained to perform the inspection and testing of the system at least once in a week. The inspection should verify that all the control valves are in their proper position as per the system requirement and no damage has taken place to any component. The foam concentrate control valve / system must be operated at least once in six weeks. The total system should be fully tested at least once in a year as per NFPA / TAC manual or in accordance to the guidelines of the organisation having local jurisdiction.

SELECTION OF FOAM CONCENTRATE CONTROL VALVE

SR NO. DESCRIPTION MATERIL SPECIFICATION

1 Valve Stainless Steel

2 Pipe Stainless Steel

3 Cylinder Stainless Steel

4 Hose Stainless Steel

5 Flange Stainless Steel

HD Proportioner Foam Concentrate Control Valve Size

65 NB 25 NB

80 NB 40 NB

100 NB 40 NB

150 NB 50 NB

OUTLET

OP

EN

CLO

SED

5

1

4

3

INLET

2

FOAM CONCENTRATE

5

RATIO CONTROLLER

SENSER SUPPLY FROM

INLET SIDE OF

WATER PRESSURE

FOAM CONCENTRATE


LIMITED WARRANTY


NOTICE :




TYPICAL INSTALLATION OF FOAM CONCENTRATE CONTROL VALVE

WATER INLET

FO

AM

CO

NC

EN

TR

AT

E

WATER

CONTROL VALVE

FOAM CONCENTRATE

FOAM SOLUTION

OUTLET

BLADDER TANK

RATIO

CONTROLLER

DELUGE

VALVE

WATER INLET

SWING

CHECK VALVE

NETWORK

TO SPRINKLER

SPRINKLER

ALARM

WATER

CONTROL

VALVE

ALARM

BLADDER TANK

RATIO

CONTROLLER

VALVE

FOAM CONCENTRATE

CONTROL VALVE

FO

AM

CO

NC

EN

TR

AT

E

WA

TE

R


FOAM MAKER MODEL - FMA & FMA-S

TECHNICAL DATA

MODEL FMA-50, FMA-65 - Carbon Steel Construction FMA-S 50, FMA-S 65 - Stainless Steel Construction

INLET SIZE 50, 65 NB

WORKING Minimum 2.8 Kg/sq.cm. PRESSURE (40 PSI) Maximum 7 Kg/sq.cm. (100 PSI)

FLANGE ANSI B 16.5 class 150#CONNECTION

FINISH Red RAL 3000

WEIGHT 50 NB - 9.9 Kg(Approx.) 65 NB - 14.0 Kg

APPROVAL UL Listed

ORDERING Specify:INFORMATION a) Model and inlet size b) Inlet pressure c) Flow Solution flow required. d) Inlet Outlet flange e) Type of Foam Concentrate used

LISTED4UT3

APPLICATION

Foam Maker is used for one of the most common applications of protecting tank seal in vertical liquid storage tank with internal floating roof with low expansion foam system. The application of aspirated foam is on the basis of the risk comprising the area in the annular ring between the rim of the floating roof and the tank shell. The Foam system design guidelines generally used are in accordance with NFPA11 standard. The Foam Makers are defined by NFPA 11 as Type II discharge outlets for delivering the low expansion aspirated foam to the seal. The Foam Makers are widely used with the Inline Foam Inductor, Balance Pressure Foam Proportioning system, Bladder Tank system and Foam tenders.

SPECIFICATION

Foam Maker is an air aspirating foam generator connected to the foam pourer to deliver the aspirated foam gently into the tank seal area. Foam maker covers wide range of foam solution rates from 75 to 550 litres per minute at 2.8 to 7 kg/sq.cm. inlet pressure. The orifice is field replaceable in the event of change in design parameters. The foam is produced by introducing air into the foam solution stream. The inlet of foam maker is designed to create venture jet which draws air into the foam solution stream.

The air is drawn into the foam solution through holes located on the foam maker covered with stainless steel screen to exclude nesting birds and insects. The aerated foam is directed into the pourer for the gentle application of the expanded foam. The pourers are available in different models.

TESTING AND MAINTENANCE

Qualified and trained person must commission the system. After few initial successful tests, an authorized person must be trained to perform inspection and testing of the system. It is recommended to carry out physical inspection of the system regularly. The system must be fully tested at least once in a year or in accordance to standards of the organization having local jurisdiction.

Do not turn off the system or any valve to make repair or test the system, without placing a roving Fire Patrol in the area covered by the system. The Patrol should continue until the system is put back in service. Also inform the local security guard and control alarm station, so as to avoid false alarm.

Each system is to be flushed properly. To test the Foam Maker without discharging the foam into the tank seal area, the foam maker is to be rotated 180o away from the wind shield. The air screen is to be inspected periodically for obstruction of air inlet holes. If any obstruction is noticed, remove the same and flush if necessary. The foam maker outlet and pourer, if exposed to atmospheric condition, should be periodically inspected for nest and other obstructions. Any obstruction if noticed must be removed and flushed to clear the discharge path.

NOTE:

A PROVISION IS TO BE MADE FOR PRESSURE GAUGE MOUNTING AT INLET OF FOAM MAKER, WHICH MAY BE PLUGGED AFTER SUCCESSFUL COMMISSIONING OF THE SYSTEM. THIS WILL HELP TO ANALYSE THE SYSTEM WHILE COMMISSIONING.


Selection of HD Foam Maker:

FOAM MAKER SIZE K - FACTOR50 NB 44.8 TO 126.6

65 NB 89.6 TO 207.8

FOAM MAKER

DIMENSIONS OF FOAM MAKER

PART LIST

FOAM MAKER

SIZE

INLET(F1)

OUTLET(F2) A

50NB 50NB 80NB 300

65NB 65NB 100NB 400

in millimeter (Approximate)

ITEMNO.

DESCRIPTIONMATERIAL SPECIFICATION

FMA FMA-S

1 ORIFICE ASSEMBLY STAINLESS STEEL STAINLESS STEEL

2 INLET FLANGE STEEL STAINLESS STEEL

3 STRAINER ASSEMBLY STAINLESS STEEL STAINLESS STEEL

4 FOAM MAKING CHAMBER STEEL PIPE SS PIPE

5 OUTLET FLANGE STEEL STAINLESS STEEL

5

3

1

F1

F2

2

4 'A'

Example:

To find K factor: Q = 150LPM

P = 3.5Kg/sq.cm.

K = 150 ÷ √3.5 = 80.17

The K-Factor 80.17 falls within the range of the Foam Maker having 50NB size. Hence 50NB size Foam Maker to be selected.

The Foam Maker can also be selected from the graph.

To select the size of the Foam Maker use the following formula:

Q = K √P

Where,

Q = Total solution flow in litres per minute.

K = Constant for Foam Chamber



TYPICAL INSTALLATION OF FOAM MAKER WITH POURER

NOTE:

1. Above dimensions are general guidelines only. The system designer can adopt the dimensions as per NFPA/TAC/OISD or as per the governing rules & ordinance having local jurisdiction.

2. See the UL listing details for foam or contact HD FIRE.

3. Foam Pourer Model - FP55 is standard supply in carbon steel material and optional in stainless steel.

**

150 150

300

APP

ROX.

FOAM DAM

FOAM MAKER

WINDSHIELD

FOAM POURERMODEL-FP55

PIPING

(BY OTHERS)

NOZZLE(BY OTHERS)

400 (MAX)

PIPING(BY OTHERS)

(BY OTHERS)


LIMITED WARRANTY


NOTICE :




432

FOA

M S

OLU

TIO

N F

LOW

(LPM

)

100

0

200

765

300

INLET PRESSURE (KG/SQ.CM)

400

PRESSURE VS FLOW PERFORMANCE CHARACTERISTIC

432

200

100

300

765

400

500

FOA

M S

OLU

TIO

N F

LOW

(LPM

)

INLET PRESSURE (KG/SQ.CM)FMA 65 & FMA-S 65FMA 50 & FMA-S 50


RATIO CONTROLLER MODEL RCW-B & RCW-S

TECHNICAL DATA

MODEL RCW-B Bronze RCW-S Stainless Steel

SIZE 65, 80,100 &150 NB

MAX. SERVICE 14 Bar (200 PSI) PRESSURE

FACTORY HYDRO 25 Kg./Sq.cm. (350 PSI) TEST PRESSURE

MOUNTING Between the flanges ANSI B16.5 - 150#

APPROVAL UL Listed with AFFF3% and with HD Bladder tank, with 12 bar maximum pressure

FINISH Red RAL 3000 or Natural Finish

ORDERING Specify INFORMATION a) Model & Size b) Minimum and Maximum Pressure and flow rate c) Induction Percentage d) Type of Foam Concentrate used

ULLISTED

®

EX15835

DESCRIPTION

Ratio Controller is used for proportioning the foam concentrate into the water supply with a wide range of flow and pressure. The Ratio Controller is also used with Bladder Proportioning System, Inline Balance Proportioning System and Skid mounted pump balance proportioning system.

SPECIFICATION

The Ratio Controller works on venturi principle. As the water flow passes through nozzle at the inlet of ratio controller, a low-pressure area is created between inlet nozzle and the down stream section called diffuser. This low-pressure area causes the foam concentrate to flow through a metering orifice at the concentrate inlet and into the low-pressure area. As the system demand varies, the water jet through Ratio Controller increases or decreases, which in turn varies the pressure at the low-pressure area of the Ratio Controller. This affects the corresponding pressure across the foam concentrate-metering orifice. The system requires same pressure of water and concentrate in order to balance the proportioning system.

INSTALLATION

Ratio Controller Model RCW is wafer style to be mounted in SCH40 pipe between two flanges.

NOTE

1) A minimum of five pipe diameter of straight unobstructed pipe is required at upstream and down stream of each ratio controller.

2) Ratio Controller shall be installed between two ANSI 150# flanges with raised face or flat face. The gasket-stud, flanges shall be provided by the installer.

3) Provision shall be made in piping for removal of Ratio Controller.

4) The pipes on upstream & downstream side of the Ratio Controller must be adequately supported and no strain shall be imposed on Ratio Controller.

5) The Ratio Controller flow range given is with AFFF 3% foam concentrate. Consult HD Engineering Department for other foam concentrate types.

6) Ratio controller is UL Listed with HD Bladder Tank, refer UL Listing data for more information.

7) Ratio Controller is UL Listed for 2.1 to 12 bar pressure.


RATIO CONTROLLER - WAFER STYLE DIMENSION CHART

Model Approximate Dimensions (in mm)

‘A‘ ‘B‘ Ø ‘C‘ ‘D‘ Ø ‘E‘ ‘F‘

6” RCW 133 330 Ø152 93.5 M20 x 230 LONG 2” BSP (F)/NPT (F)

4” RCW 126 266 Ø100 90 M16 x 220 LONG 1-1/2” BSP (F)/NPT (F)

3” RCW 107.5 190 Ø76 82.5 M16 x 200 LONG 1-1/2” BSP (F)/NPT (F)

2-1/2” RCW 80 190 Ø61.7 55 M16 x 170 LONG 1” BSP (F)/NPT (F)

RATIO CONTROLLER

RATIO CONTROLLER FLOW RANGE

SIZE FLOW RANGE IN LPM

AFFF3% ARAFFF3/3%

65 NB (2.5”) 100 to 1550 380 to 500

80 NB (3”) 260 to 3000 680 to 2900

100 NB (4”) 650 to 6000 1400 to 5800

150 NB (6”) 1200 to 12000 2750 to 11600

'F' -Foam Concentrate Inlet Connector with orifice

150# ANSI Bolted Flanges by installer

Sch. 40 Piping by installer

WATER

INLET

1/4" FBSPT/FNPTWater Sensing Port Plugged

Stud with bolt by installer

Gasket by installer

WATER FOAM

SOLUTION OUTLET

'A'

'B'

Ø'C

'

'D'

Ø'E

'


FLOW VS PRESSURE LOSS

INLET PRESSURE VS FOAM SOLUTION FLOW

NOTE: Refer Table I for flow limtation for AR-AFFF 3/3% foam concentrate.


INLE

T PR

ESSU

RE

, PSI

65 NB

0 200 400 600 800 1000 1200 1400 160020

40

60

80

100

120

140

160

18080NB

0 300 600 900 1200 1500 1800 2100 2400 2700 3000 330020

40

60

80

100

120

140

160

180


INLE

T PR

ESSU

RE

, PSI


INLE

T PR

ESSU

RE

, PSI

100NB

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 650020

40

60

80

100

120

140

160

180150NB

0 2000 4000 6000 8000 10000 1200020

40

60

80

100

120

140

160

180


INLE

T PR

ESSU

RE

, PSI

Flow - LPM ( AXIS READING X 100)

Flow - GPM ( AXIS READING X 10)

Fric

tion

Loss

- PS

I

Fric

tion

Loss

-KG

/SQ

CM

3 4 5 7 10 20 30 50 70 100 150

7 10 20 30 40 50 70 100 200 300

1

2

3

4567

10

18

0.1

0.2

0.3

0.40.50.60.7

1

2-1/

2”

3” 4” 6”


LIMITED WARRANTY


NOTICE :





RIM SEAL FOAM POURER MODEL - RPA & RPA-S

TECHNICAL DATA

MODEL RPA 65 – Carbon Steel RPA-S 65 – Stainless Steel

SIZE 65 NB INLET

WORKING Min 2.8 Kg/cm2 (40 PSI)PRESSURE Max 7 Kg/cm2 (100 PSI)

FLANGE CONNECTION ANSI B16.5 class 150#

FINISH Red RAL 3000

APPROVAL UL Listed

ORDERING a) ModelINFORMATION b) Flow & Pressure at inlet of each Foam Pourer c) Foam concentrate used d) Tank number / Tag number

LISTED4UT3

APPLICATION

HD Rim Seal Foam Pourer – RPA consists mainly of Foam Maker, a windshield and an integral deflector. The RPA is designed to deliver fully aspirated foam directly to the annular seal area of open top floating roof tank. The Rim Seal Foam Pourer is used for one of the most common applications of protecting tank seal in vertical liquid storage tank with internal floating roof with low expansion foam system. The application of aspirated foam is on the basis of the risk comprising the area in the annular ring between the rim of the floating roof and the tank shell. The Foam system design guidelines generally used are in accordance with NFPA 11 standard. Rim Seal Foam Pourers are defined by NFPA 11 as Type II discharge outlets for delivering the low expansion aspirated foam to the seal. The Rim Seal Foam Pourers are widely used with Inline Foam Inductor, Balance Pressure Foam Proportioning System, Bladder Tank system or Foam tenders.

SPECIFICATION

The Rim Seal Foam Pourer is an air aspirating foam generator connected to the foam pourer to deliver the aspirated foam gently into the tank seal area. The rim seal foam pourer covers a wide range of foam solution rates from 50 to 550 liters per minute at 2.8 to 7 kg/ sq.cm inlet pressure. Each rim seal foam pourer is supplied with an orifice plate, designed for the required flow at inlet pressure. The orifice is field replaceable in the event of change in design parameters. The foam is produced by introducing air into the foam solution stream. The inlet of foam maker is designed to create venturi jet which draws air into the foam solution stream. The air is drawn into the foam solution through holes located on the foam maker covered with stainless steel screen to exclude nesting birds and insects.

SYSTEM DESIGN REQUIREMENT

For essential requirement of appropriately designed foam pouring system for storage tanks refer NFPA- 11/ OISD/ TAC/ Governmental codes or ordinances wherever applicable.

TESTING & MAINTENANCE

Qualified and trained person must commission the system. After few initial successful tests, an authorized person must be trained to perform inspection and testing of the system. It is recommended to carry out physical inspection of the system regularly. The system must be fully tested at least once in a year or in accordance to the standards of the organization having local jurisdiction. Do not turn off the system or any valve to make repair or test the system, without placing a roving Fire Patrol in the area covered by the system. The Patrol should continue until the system is put back in service. Also inform the local security guard and control alarm station, so as to avoid false alarm. Each system is to be flushed properly. To test the RPA without discharging the foam into the tank seal area, the RPA is to be rotated 180° away from the wind shield. The air screen is to be inspected periodically for the obstruction of air inlet holes. If any obstruction is noticed, remove the same and flush, if necessary. The RPA outlet and pourer, if exposed to atmospheric condition, should be periodically inspected for nest and other obstructions. The obstruction, if noticed, must be removed and flushed to clear the discharge path.


PRESSURE VS FLOW PERFORMANCE CURVE

TYPICAL INSTALLATION OF RIM SEAL FOAM POURER

NOTE:

A PROVISION IS TO BE MADE FOR PRESSURE GAUGE MOUNTING AT INLET OF RPA, WHICH MAY BE PLUGGED AFTER SUCCESSFUL COMMISSIONING OF THE SYSTEM. THIS PROVISION WILL HELP TO ANALYSE THE SYSTEM WHILE COMMISSIONING.

600

400

200

2 3 4 5 6 7 80

500

300

100

FO

AM

SO

LU

TIO

N

FLO

W IN

LP

M

RPA 65 NB

INLET PRESSURE (KG/SQ.CM)

All Dimensions are in MM (Approx.)

FLOATING ROOF

SEAL

PIPING BY OTHERS

100NB FLANGE

FOAM DAM

STAINLESS STEELAIR STRAINER

1050

650

500

FOAM MAKER INLET65NB 150# FLANGE

INTEGRAL SHIELDAND DEFLECTOR

WIND GIRDERWIND GIRDER

FOAM SOLUTIONPIPING

SLOT 20WIDE X 60 LONG

TYPICAL 2 PLACES

300 300

78284

VIEW X - X

'X'

'X'


LIMITED WARRANTY


NOTICE :




FOAM CHAMBER MODEL - FCA & FCA-S - fci119.com · FOAM CHAMBER MODEL - FCA & FCA-S TECHNICAL DATA...

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