PRODUCTS
V3190
Stainless steel AISI 316L precision relief valves, suitable for compressed air and gas.
Product
Stainless steel high precision relief valve for inlet pressure up to 3 bar (43,5 psi)
Inlet and outlet connections 2”- F by flanges screwed to the body.
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.
Set point pressure is controlled by a rubber diaphragm.
Available the ATEX version. Brand CE ExII2GDcIICX.
Available the EAC TP TC 032/2013 or EAC-EX TP TC 012/2011 versions for the Russian market.
For use in potentially explosive atmospheres zones: 1, 21, 2, 22 (not in 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 1”1/2-F | G 2”-F | 1”1/2NPT-F | 2”NPT-F |
Working Temperature | -4+140 °F standard | Other temperature ranges on request |
Maximum Allowable Pressure (PS) | 6 bar |
CV (CEI EN 60534-2) | 26,5 US gal/min |
Relief Pressure Ranges | 20 ÷ 50 | 50 ÷ 150 | 150 ÷ 300 | 300 ÷ 3000 mbar |
Weight | ~46,3 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 |
Internals and Body Material | Stainless steel AISI 316L |
Seals Material | EPDM | FPM | FVMQ | FFKM |
Spare Parts Kit | O-rings | assembled plug | assembled diaphragm |