Orion INSTRUMENTS FC Series High Range Air Relay Switches Instruction Manual

HIGH RANGE AIR RELAY SWITCHES
FC

PRESSURE CAPSULE DETAILS

No. Description

1. Pressure Port
2. PTFE O-Ring
3. Back Up Ring
4. Diaphragm
5. Conical Plunger

Note : wetted parts are mentioned in italics.

INSTALLATION DRAWING

RANGE SELECTION TABLE

Range Code| Range bar (psi)| *Differential bar (psi)| Maximum Working Pressure bar (psi)
---|---|---|---
Approximate Maximum for P1 / P2
(Refer Group 6 of How to order table)
** LP| 0.067 to 0.213
(0.97 to 3.09)| 0.02
(0.29)| 5.0
(72.52)
LP5| 0.1 to 0.5
(1.45 to 7.25)| 0.08
(1.16)| 5.0
(72.52)
H01| 0.1 to 1.0
(1.45 to 14.50)| 0.10
(1.45)| 12.0
(174.05)
H02| 0.1 to 1.5
(1.45 to 21.76)| 0.3
(4.35)| 12.0
(174.05)
H03| 0.2 to 2.6
(2.90 to 37.71)| 0.4
(5.80)| 12.0
(174.05)
H04| 0.2 to 3.6
(2.90 to 52.21)| 0.5
(7.25)| 12.0
(174.05)
H07| 0.5 to 7.0
(7.25 to 101.53)| 0.6
(8.70)| 12.0
(174.05)
H10| 0.5 to 10.0
(7.25 to 145.037)| 1.0
(14.50)| 25.0
(362.6)
H15| 1.0 to 15.0
(14.50 to 217.56)| 1.5
(21.75)| 25.0
(362.6)
**** H30| 5.0 to 25.0
(72.52 to 362.60)| 2.0
(29.00)| 35.0
(507.63)

Pneumatic valve specifications
NO = Normally Open
NC = Normally Closed
C = Common

CAUTION : Supply pressure of air/inert gas = min. 2 and max. 7 bar

Note:

1. The minimum differential increases with the setpoint. The differential values mentioned in the above table are approximate maximum for FSR. The differential value will vary according to the pressure range selected and microswitch type. For actual values of differential please contact sales office.
   If actuation and/or deactuation at same point is critical part of operation, then it can be achieved by using a separate DPDT relay. This relay will need a separate power supply for it’s coil.

HOW TO ORDER HIGH RANGE AIR RELAY SWITCHES

eg. Flameproof air relay switch in aluminium housing with PU tube 4mm OD, fixed differential without scale, having 0.5 bar to 10 bar pressure range, with NC valve, SS316 pressure housing with ¼” BSP port size & neoprene diaphragm shall be specified by

Group 1| Group 2| Group 3| Group 4| Group 5| Group 6| Group 7| Group 8
---|---|---|---|---|---|---|---
▢| FC| A1| P1| H01| P1| S1| 1

Please specify full model number to avoid ambiguity.

Bulletin No. KA220407

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