PRODUCTS

3VSS1

AISI 316L stainless steel high pressure relief valves, suitable for compressed air, gas and liquid.

Product

AISI 316Lrelief valve for inlet pressure up to 200 bar (2900 psi) in the standard version.
Inlet and outlet connections:
G3/4-M;
G1-M;
3/4”NPT-M;
1”NPT-M.

Alternative threads or EN/ASME flanges 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 applicable in mines and zone 0).
Relief pressure pressure is controlled by a piston.
The product complies with the directive 2014/68/EU PED

CHARACTERISTICS

Technical data

CompatibilityCompressed air | Tecnhical gases and their mixtures | Liquids | Oils
IN/OUT ConnectionG 3/4”-M | G 1”-M | 3/4"NPT-M | 1”NPT-M | UNI EN 1092-1 | ASME B16.5
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)1,85 US gal/min
Relief Pressure RangesStandard 0 ÷ 100 | 0 ÷ 200 bar (available on request up to 400 bar)
Weight~36,5 lb
Plug Leakage Class“A” class (UNI EN 12266-1)
CertificationsPED 2014/68/UE | ATEX 2014/34/UE | EAC TR CU 010 | EAC Ex TR CU 012
Internals and Body MaterialStainless steel AISI 316L
Seals MaterialEPDM | FPM | FVMQ | FFKM
AccesoriesWall mounting bracket
Spare Parts KitO-rings | assembled plug
TECHNICAL DESIGN

Technical design