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Stainless steel AISI 316L high pressure relief valves, suitable for compressed air, gas and liquid.
Product
Stainless steel AISI 316 L relief valve for inlet pressure up to 200 bar (2900 psi) for the standard version.
Inlet and outlet connections:
VSF3133: 1/4”
VSF31200: 3/8”
EN or ASME flanged connections available on request.
The relief valve opens when the inlet pressure increases above the set point initially regulated by the adjusting screw and it closes when the pressure goes down under the set point.
Available the ATEX 2014/34/EU version.
Brand CE ExII2GcIICTX, CE ExII2DcIIICTX.
For use in potentially explosive atmospheres zones: 1, 21, 2, 22 (not in mines and zone 0).
Set point pressure is controlled by a piston.
The product complies with the directive 2014/68/EU PED
CHARACTERISTICS
Technical data
| Compatibility | Compressed air | Tecnhical gases and their mixtures | Liquids | Oils |
|---|---|
| IN/OUT Connection | G 1/4”-F (VSF3133) | G 3/8”-F (VSF31200) |
| Working Temperature | -4+140 °F standard | From -76 up to +608 °F on request |
| Maximum Allowable Pressure (PS) | Standard 330 bar |
| CV (CEI EN 60534-2) | 0,081 US gal/min (VSF3133) | 0,75 US gal/min (VSF31200) |
| Relief Pressure Ranges | 10 ÷ 100 | 20 ÷ 200 bar (Available on request up to 400 bar) |
| Weight | ~6,2 lb (VSF3133) | 8,3 lb (VSF31200) |
| Plug Leakage Class | “A” class (UNI EN 12266-1) |
| Certifications | PED 2014/68/UE | ATEX 2014/34/UE | EAC TR CU 010 | EAC Ex TR CU 012 |
| Internals and Body Material | Stainless steel AISI 316L |
| Seals Material | EPDM | FPM | FVMQ | FFKM |
| Accesories | Wall mounting bracket |
| Spare Parts Kit | O-rings | assembled plug |
TECHNICAL DESIGN
Technical design
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Certificate N° 50 100 13311
