PRODUCTS
521
Brass pressure regulator, for compressed air, gas and liquid.
Product
Pressure regulator for inlet pressure up to 50 bar (725 psi).
Connection ports:
R114 1/4” – F (1/4″ size);
R138 3/8” – F (14″ size);
R121 1/2” – F (1/2” size).
Outlet pressure is controlled by a rubber diaphragm.
Gauge for outlet pressure (accuracy class 1.6). Balanced main valve.
Available the ATEX 2014/34/EU version.
Brand CE ExII2GcIICTX, CE ExII2DcIIICTX.
For use in potentially explosive atmosphere zones:
1, 21, 2, 22 (not applicable in mines and zone 0).
Available the EAC TR CU 010/2011 and EX TR CU 012/2011 versions for the Russian market. The product complies with the 2014/68/EU PED directive.
CHARACTERISTICS
Technical data
| Compatibility | Compressed air | Tecnhical gases and their mixtures | Liquids | Oils |
|---|---|
| Max Inlet Pressure | standard 50 bar | Available up to 60 bar |
| IN/OUT Connection | 1/4”-F (R114) | 3/8”-F (R138) | 1/2”-F(R121) - GAS / NPT |
| Working Temperature | -4+140 °F standard | From -76 up to +608 °F on request |
| CV (CEI EN 60534-2) | 1,6 (R114) | 3,5 (R121) US gal/min |
| Outlet Pressure Range | 0,2 ÷ 1,5 | 0,3 ÷ 3 | 0,8 ÷ 8 | 1,5 ÷ 15 | 3 ÷ 30 | 5 ÷ 50 bar |
| Weight | ~2,6 (R114/R138) | ~4,2 (R121) lb |
| Plug Leakage Class | “A” class (UNI EN 12266-1) |
| Pressure Gauge Connection | G 1/4”-F |
| Certifications | PED 2014/68/UE | ATEX 2014/34/UE | EAC TR CU 010 | EAC Ex TR CU 012 |
| Internals and Body Material | Brass |
| Seals Material | NBR | EPDM | FPM | FVMQ | FFKM |
| Accesories | Wall mounting bracket |
| Spare Parts Kit | O-rings | assembled plug | net filter | assembled diaphragm (if applicable) |
TECHNICAL DESIGN
Technical design
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Company with certificated quality management system UNI EN ISO 9001
Certificate N° 50 100 13311
