PRODUCTS
4S3
Stainless steel AISI 316L filter regulator for air, gas and liquid.
Product
Filter regulator for inlet pressure up to 30 bar (435 psi) in the standard version.
Connections ¼”-F. Outlet pressure is controlled by a rubber diaphragm.
Main valve is balanced.
Filtration: 5 μm or 50 μm.
Available versions with automatic drain SAI (up to 16 bar) or manual drain SM (up to 30 bar).
The drain is not available for greater inlet pressure and for gas and liquid versions. Available the ATEX 2014/34/EU version.
Brand CE ExII2GcIICTX, CE ExII2DcIIICTX.
For use in potentially explosive atmospheres zones:
1, 21, 2, 22 (not for mines and zone 0).
Available the EAC-EX TP TC 012/2011 versions for the Russian market.
The product complies with the directive 2014/68/EU PED

CHARACTERISTICS
Technical data
Compatibility | Compressed air | Tecnhical gases and their mixtures | Liquids | Oils |
---|---|
Max Inlet Pressure | With automatic drain 16 bar | With manual drain 30 bar | Without drain (cap) 50 bar (available 80 bar) |
IN/OUT Connection | 1/4”-F (GAS/NPT) | UNI EN 1092-1 | ASME B16.5 |
Working Temperature | -4+140 °F standard | From -76 up to +608 °F on request |
Filtration Rate | 5μm | 50 μm (sintered stainless steel) |
CV (CEI EN 60534-2) | 1,6 US gal/min |
Outlet Pressure Range | 0,2 ÷ 1,5 | 0,3 ÷ 3 | 0,8 ÷ 8 | 1,5 ÷ 15 bar |
Weight | ~2,8 lb |
Plug Leakage Class | “A” class (UNI EN 12266-1) |
Pressure Gauge Connection | 1/4”-F GAS |
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 | Pressure gauge | Wall mounting bracket |
Spare Parts Kit | O-rings | assembled plug | filter cartridge | assembled diaphragm (if applicable) |