PRODUCTS
3VSS2
Stainless steel AISI 316L relief valves, suitable for compressed air, gas and liquid.
Product
Relief valve for pressure up to 50 bar (725 psi).
Inlet and outlet connections by flanges screwed to the body:
G 3/4-F;
G 1-F;
G 1 1/4-F;
3/4″NPT-F;
1”NPT-F;
1 1/4″NPT-F.
Flanged connections EN or ASME 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. Set point pressure up to 15 bar (218 psi) is controlled by a rubber diaphragm; greater outlet pressures are controlled by a piston.
Available the ATEX version. Brand CE ExII2GDcIICX.
For use in potentially explosive zones: 1, 21, 2, 22 (not for mines and zone 0).
The product complies with the directive 97/23/CE PED.
CHARACTERISTICS
Technical data
| Compatibility | Compressed air | Tecnhical gases and their mixtures | Liquids | Oils |
|---|---|
| IN/OUT Connection | G 3/4”-F | G 1”-F | 3/4”NPT-F | 1”NPT-F | UNI EN 1092-1 | 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) | 8,2 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 | ~17,5 lb |
| Plug Leakage Class | “A” class (UNI EN 12266-1) |
| Pressure Gauge Connection | 1/4”-F | 1/8”-F (GAS / NPT) (only on request) |
| 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 | assembled diaphragm (if applicable) |
TECHNICAL DESIGN
Technical design
DOWNLOAD
Download
Search products
Company with certificated quality management system UNI EN ISO 9001
Certificate N° 50 100 13311
