FC HIGH PROOF HIGH RANGE PRESSURE DIFFERENCE SWITCHES

Large Flamepaths for better safety

Seperate Terminal block for safe wiring

Internal ground screw Robust Snap action microswitches for reliable switching

Lock Screw for stable set-points

Cover chained to main body

Large Springs for finer set-points

Nonmetallic diaphragms for minimal drift

Large Sensing area for better sensitivity

Approximate Weight :

Pressure difference switches with Aluminium enclosure : 2.43 Kg. Pressure difference switches with Grey CI enclosure : 4.93 Kg. Pressure difference switches with SS enclosure : 5.13 Kg.

Electrical Connection :

Z 2 3

1 Some Applications :

Applications requiring high static/system pressure but low pressure difference.

HIGH PROOF HIGH RANGE PRESSURE DIFFERENCE SWITCHES FC

PRESSURE CAPSULE DETAILS

1 6

2 7

3 8

4

5 9

Note : wetted parts are mentioned in italics. 10

INSTALLATION DRAWING 145.0

110.0 (5.71)

(4.33) 126.0

26.0 (4.96) (1.02)

No. Description 1. Sealing Diaphragm (Teflon)

2. Sealing O Ring (Teflon) 3. Disc 4. Sealing O Ring

5. HP Plunger 6. LP Plunger

7. O Ring 8. Diaphragm 9. Csk. Screw (S.S.)

10. Pressure Housing

CABLE ENTRY

1/2" NPT(F) (Options Avail)

Ø7, MOUNTING HOLES

2 NOS

A/F 22

(A/F 0.86) LOW PRESSURE PORT

1/4" BSP(F)

HIGH PRESSURE PORT

1/4" BSP(F) APPROX. DIMENSIONS IN inches

NK Instruments Pvt. Ltd.B-501/504, 5th floor, Raunak Arcade, Near THC Hospital, Gokhale Road, Naupada,

Thane(W) 400602. Maharashtra INDIA Telefax Nos.: 91-22-25301330 / 31 / 32

E-Mail: sales@nkinstruments.com Web: http://www.nkinstruments.com

Skype: nitinkelkarskype Gtalk: nkinstruments2006

Authorised Dealer

FC HIGH PROOF HIGH RANGE PRESSURE DIFFERENCE SWITCHES

RANGE SELECTION TABLE

Range Code

Range bar (psi)

Differential* bar (psi)

Maximum Working Pressure

bar (psi)

Approximate Maximum for "A1"

microswitch

P01

0.1 - 1.0 (1.45 - 14.50)

0.24 (3.48)

200 (2900.76)

P02

0.1 - 1.5 (1.45 - 21.76)

0.40 (5.80)

200 (2900.76)

P03

0.2 - 2.6 (2.90 - 37.71)

0.40 (5.80)

200 (2900.76)

P04

0.2 - 3.6 (2.90 - 52.21)

0.60 (8.70)

200 (2900.76)

*Minimum differential increases with setpoint (Graphs available on request) * Note : Microswitches A2 through A9 can be supplied in some ranges and differentials will vary with microswitch used. Please contact sales office for details. Please check availability of adjustable differential with sales office.

NK Instruments Pvt. Ltd.B-501/504, 5th floor, Raunak Arcade, Near THC Hospital, Gokhale Road, Naupada,

Thane(W) 400602. Maharashtra INDIA Telefax Nos.: 91-22-25301330 / 31 / 32

E-Mail: sales@nkinstruments.com Web: http://www.nkinstruments.com

Skype: nitinkelkarskype Gtalk: nkinstruments2006

Authorised Dealer

HIGH PROOF HIGH RANGE PRESSURE DIFFERENCE SWITCHES FC

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Continuous efforts for product development may necessitate changes in these details without notice