PRODUCTS
312V2
Stainless steel AISI 316L relief valve, for compressed air, gas and liquid.
Product
Relief valve for relief pressure up to 50 bar (725 psi).
Available connection ports:
3/8″G-F
1/2″G-F
3/8″NPT-F
1/2″NPT-F
Flanged connections available on request.
Relief pressure, up to 15 bar (217 psi), is controlled by rubber diaphragm; greater relief pressure are controlled by a AISI 316L piston.
The product complies with the 2014/68/EU PED directive.
Available ATEX 2014/34/UE version.
Other versions on request.
For use in potentially explosive atmosphere zones:
1, 21, 2, 22 (not applicable in mines and zone 0).
CHARACTERISTICS
Technical data
| Compatibility | Compressed air | Tecnhical gases and their mixtures | Liquids | Oils |
|---|---|
| IN/OUT Connection | G 1/4”-F | G 3/8”-F | G 1/2”-F | UNI EN 1092-1 1/4”NPT-F | 3/8”NPT-F | 1/2”NPT-F | ASME B16.5 |
| Working Temperature | -4+176 °F standard | From -76 up to +608 °F on request |
| Maximum Allowable Pressure (PS) | 22,5 bar (diaphragm) | 70 bar (piston) |
| CV (CEI EN 60534-2) | 2,3 US gal/min |
| Relief Pressure Ranges | 0,2 ÷ 1,5 | 0,3 ÷ 3 | 0,8 ÷ 8 | 1,5 ÷ 15 | 3 ÷ 30 | 5 ÷ 50 bar |
| Weight | ~5,5 lb |
| Plug Leakage Class | “A” class (UNI EN 12266-1) |
| Pressure Gauge Connection | 1/4”-F | 1/8”-F (GAS / NPT) |
| Certifications | PED 2014/68/UE | ATEX 2014/34/UE | MOCA 1935/2004 | EAC TR CU 010 | EAC Ex TR CU 012 |
| Internals and Body Material | Stainless steel AISI 316L |
| Seals Material | EDPM | FPM | FVMQ | FFKM |
| Accesories | Wall mounting bracket |
| Spare Parts Kit | O-rings | assembled plug | assembled diaphragm (if applicable) |
TECHNICAL DESIGN
Technical design
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