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Excess Flow Valve - EFV 190 Series
Automatic gas shut off in the event of a system leak when system flow rate exceeds a preset level.
Features

- Automatic shut-off of gas in the event of a system leak
- Pressures from 0.7-241 bar
- 6 preset ranges
- NPT or face seal connectors
- Non attitude sensitive
- Quarter turn arm/reset knob
- Optional pnematic actuation
Specification
- Body: 316l stainless steel
- Seat: PCTFE
- Seals: Metal to metal
- Diaphragm: Elgiloy® or equivalent
- Operating temperature: -23 to +65deg;C
- Weight: 0.3kg
- Supply pressure: 0.7 bar to 241 bar
| Model | Flow limit at 30 psi l/min | Flow limit at 1000 psi l/min | |
|---|---|---|---|
| A | 0.4 | 4.8 | |
| B | 1.7 | 9 | |
| C | 3.9 | 22 | |
| D | 9.0 | 40 | |
| E | 14 | 72 | |
| F | 22 | 121 |
How to order
ALWAYS specify the gas or mixture to used:
- Select flow range eg. A,B,C,D,E,F
- Select inlet/outlet connections eg. 1/4"NPT (F),1/4"compression,1/4"face seal (specify male or female)
-
Please specify maximum normal process flow and minimum/maximum inlet pressure
