4700 SERIES - Sterlco® – Steam Control Products

Technical Specifications Sterlco® 4700 Series Condensate Units set new

standards of performance. Reliable and efficient, each

unit features heavy-duty cast iron receivers for long

operating life.

In addition, 3450 RPM motors assure maximum efficiency

while maintaining minimum motor horsepower. Available

in a wide range of sizes, these U.S. made units have just

the right accessories and options to meet your unique

needs.

Standard Features

• Heavy-duty cast iron receivers

• Simplex or duplex construction

• Stainless steel fitted centrifugal pumps

• Energy efficient 3450 RPM motors

• Automatic venting

• Carbon ceramic pump seal (300°F) with EPDM elastomers

• Heavy-duty float switch

• Wide range of options and accessories

Optional Features

• Mechanical and electric alternators for duplex units

• Gauge glass

• Thermometer

• Isolation valves

• Special motor construction, such as totally enclosed, washdown duty and explosion-proof is available

• 75 & 120 gallon tanks are available

• Elevated tanks are available

• Complete NEMA 12 Control Panel

Features

Steam Traps | Condensate | Boiler Feed | Valves | Strainers | Pumps

2900 South 160th Street, New Berlin, WI 53151 | P: 1.262.641.3808 E: [email protected] W: www.sterlco.com

4700 SERIESCondensate Units - Cast I ron Tank

Product Features

Control Panel

Motors:

Heavy-duty, ball-bearing, close-

coupled pump motors with stainless

steel shaft. 3450 RPM for greater

efficiency and more economical

operation.

Float Switch:

Two-pole, drip proof case, stainless

steel float and float rod, double-

break silver-to-silver contacts. Float

travel adjustment is easy, visible and

accessible.

Automatic Venting:

Provides for efficient operation and

long life by venting air and flushing

seal area.

Large Tanks:

Plenty of capacity for maximum

rating of pump. Return inlet is low.

Occupies a minimum of floor space.

Impeller:

Made of stainless steel for long life.

Efficient design provides maximum

capacity, minimum motor load.

Inducer:

Made of stainless steel for long

life. Raises the inlet pressure by

an amount sufficient to prevent

cavitation.

Pump seal (A):

Features the ultimate in ceramic

technology for exceptionally

long life. Seal is carbon ceramic

with EPDM elastomers. Rated for

temperatures up to 300°F.

Isolation Valve (B):

Optional on 4700 Series Condensate

Units. Allows removal of pump

without draining the tank.

Complete NEMA 12 Control Panel (Optional)

• Motor Circuit Protector

• HOA Selector Switch

• External Reset

• Control Circuit Transformer

• Pilot Light (pump running)

• Removable Mounting Plate and Terminal Strip in a Single NEMA 12 Enclosure

• Mounted and Wired with Single Point Power Connection.

A B

Inside view of control panel

Elevated Unit


4700 SERIES

4700 Series Engineering and Capacity Data

Capacity Sq. Ft. EDR

Discharge Pressure PSI

Pump Capacity,

GPM

MotorHP

Rec. Capacity, Gallons

Unit Model Number Shipping Weight, lbs.

Simplex Duplex Simplex Duplex

2,0004,0006,0008,000

2036912

1/21/21/21/2

661515

4722-K4724-K4726-K4728-K

--

4726-KD4728-KD

150150260260

--

295295

10,00015,00020,000

2015

22.530

1/21/23/4

152436

47210-K47215-K47220-K

47210-KD47215-KD47220-KD

260300410

295335445

25,00030,000 20 37.5

453/41

3636

47225-K47230-K

47225-KD47230-KD

350355

420430

40,000 20 60 1-1/2 50 47240-K 47240-KD 420 500

50,000 20 75 1-1/2 50 47250-K 47250-KD 425 510

2,0004,0006,0008,00010,000

30

3691215

3/43/43/43/41

66151515

4732-K4734-K4736-K4738-K47310-K

- -

4736-KD4738-KD47310-KD

165165295295300

--

360360365

15,00020,000 30 22.5

3011

2436

47315-K47320-K

47315-KD47320-KD

305355

380430

25,00030,000 30 37.5

451-1/21-1/2

3636

47325-K47330-K

47325-KD47330-KD

355360

430440

40,000 30 60 2 50 47340-K 47340-KD 425 510

50,000 30 75 2 50 47350-K 47350-KD 435 525

2,0004,0006,0008,00010,000

40

3691215

11

1-1/21-1/2 1-1/2

66151515

4742-K4744-K4746-K4748-K47410-K

--

4746-KD4748-KD47410-KD

170170295295295

--

360360360

15,00020,000 40 22.5

301-1/21-1/2

2436

47415-K47420-K

47415-KD47420-KD

310360

390440

25,00030,000 40 37.5

4522

3636

47425-K47430-K

47425-KD47430-KD

360365

440450

40,000 40 60 3 50 47440-K 47440-KD 425 510

50,000 40 75 3 50 47450-K 47450-KD 435 525

2,0004,0006,0008,00010,000

50

3691215

1-1/21-1/21-1/21-1/2

2

66151515

4752-K 4754-K4756-K4758-K47510-K

--4756-KD4758-KD47510-KD

175175315315315

--395395395

15,00020,000 50 22.5

3023

2436

47515-K47520-K

47515-KD47520-KD

330370

415460

25,00027,000 50 37.5

4033

3636

47525-K47527-K

47525-KD 47527-KD

370370

460460

Sample Specification

Furnish and install, where indicated on plans, a Sterling 4700 Series (simplex or duplex) condensate unit(s), having a capacity of ___________ sq. ft.

E.D.R.___________ GPM against a discharge pressure of ___________ PSI. The receiver shall have a capacity of ___________ gallons and be of heavy-duty

cast iron construction. Pump(s) shall be of the centrifugal type with one-piece enclosed stainless steel impeller, stainless steel inducer, cast iron hous-

ing, high temperature (300°F) mechanical seal and stainless steel motor shaft. The float switch shall be two-pole with plastic case, stainless steel float

and shaft, and double-break silver contacts. An optional inlet “Y” or basket strainer is recommended for installation on the tank return inlet for pump

protection. The motor(s) shall be vertical, 3450 RPM, ___________ phase, ___________ volt, 60 cycle, ___________ H.P. The complete unit is to be factory

assembled and tested prior to shipment.

Specifications


4700 SERIES

Product Diagrams


4700 SERIES

3.13

8.13 10.63

10.75

1.256.31

.13FOOT PAD 6.31

26.97

1" NPTOVERFLOW

2" NPTPROCESS RETURN

3/4" NPTDRAIN

12.88

LIFTING EYES(OPTIONAL)

FLOAT SWITCH

THERMOMETER(OPTIONAL)

ISOLATION VALVE(OPTIONAL)

GAUGE GLASS(OPTIONAL)

12.63

1.25

3.696.94

3.53

16.16

GATE VALVE, CHECK VALVE,AND PRESSURE GAUGE(OPTIONAL)

1-1/2" NPTPUMPDISCHARGE

1" NPTVENTS

16.00

16.00

REMOTE MOUNTEDCONTROL PANEL(OPTIONAL)

4700 "K" SERIES CONDENSATE UNIT6 GALLON SIMPLEX

RECEIVER MATERIAL: CAST IRON

4700SER.K.CDSN.6

LH SIDE VIEW

Product Diagrams


4700 SERIES

H I A

3.13

C

P

16.00

16.00


CONTROL PANEL(OPTIONAL)

CAN BE MOUNTEDREMOTELY

FLOAT SWITCH ORALTERNATOR


GATE VALVE, CHECK VALVE,AND PRESSURE GAUGE

(OPTIONAL)

J

K

3.50

L

O

N

B

M

Q NPT VENT

1-1/2" NPTPUMPDISCHARGE

DUPLEX PUMP

BLANK OFF PLATE & GASKETREPLACES PUMP FORSIMPLEX UNITS

D

F G E

.13FOOT PAD

S NPTOVERFLOW

R NPTPROCESS RETURN


DRAIN ISOLATION VALVE(OPTIONAL)

4700 "K" SERIES CONDENSATE UNITRECEIVER MATERIAL: CAST IRON

4700SER.K.CDSN.15-24

LH SIDE VIEW

Product Diagrams


4700 SERIES

H I

A

3.13

FLOAT SWITCH ORALTERNATOR LOCATION75 GALLON RECEIVERONLY

F G E

D .13FOOT PAD

BACK VIEW

S NPTOVERFLOW

R NPTPROCESS RETURN

DRAIN


C

P

16.00

16.00




ISOLATION VALVE(OPTIONAL)

FLOAT SWITCH ORALTERNATOR LOCATION

36, 50, AND 120 GALLONRECEIVERS



(OPTIONAL)

J

K

B

3.50

L

O N

M

Q NPT VENT

1-1/2" NPTPUMP

DISCHARGE

DUPLEX PUMP

BLANK OFF PLATE & GASKETREPLACES PUMP FORSIMPLEX UNITS

4700 "K" SERIES CONDENSATE UNITRECEIVER MATERIAL: CAST IRON

4700SER.K.CDSN.36-120

Product Diagrams


4700 SERIES

G H

M

4.58

C

30.00 2.00 TYP.




D F

E O NPTPROCESS RETURN

P NPTOVERFLOW

D B

I A

N NPT VENT

1-1/2" NPT PUMPDISCHARGE

DUPLEX PUMP

L J

16.00

16.00

K

4.00 4.00

DRAIN


(OPTIONAL)

BACK SIDE VIEW ANDTOP VIEW

SHOWN WITHOUTOPTIONAL CONTROL PANEL




ISOLATION VALVE

1/2" DIA. MOUNTINGHOLES (4) PLACES

4700 "K" SERIES ELEVATED CONDENSATE UNITRECEIVER MATERIAL: CAST IRON

4700SER.K.ECDSN.15

Product Diagrams


4700 SERIES

C

G H

M

4.58

2.00 TYP.



16.00

16.00

K

30.00

L J

4.00 4.00



ISOLATION VALVE




I A

D

B

N NPT VENT


DUPLEX PUMP

D F

E O NPTPROCESS RETURN

P NPTOVERFLOW

DRAIN


(OPTIONAL)

BACK SIDE VIEWSHOWN WITHOUT

OPTIONAL CONTROL PANEL


4700SER.K.ECDSN.24

Product Diagrams

2900 South 160th Street, New Berlin, WI 53151 | P: 1.262.641.3808 E: [email protected] W: www.sterlco.comRev 10.10.2017

4700 SERIES

C

G H

M

4.58

2.00 TYP.



FLOAT SWITCH ORALTERNATOR LOCATION75 GALLON RECEIVERONLY

J

K

L

30.00

16.00

16.00

4.00 4.00



ISOLATION VALVE




DRAIN

A

B

D

I N NPT VENT

DUPLEX PUMP


(OPTIONAL)


D F

E

O NPTPROCESS RETURNP NPTOVERFLOW


4700SER.K.ECDSN.36-120

R.H SIDE VIEWSHOWN WITHOUT

OPTIONAL CONTROL PANEL

4700 SERIES - Sterlco® – Steam Control Products

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