Full lift safety valve zARMAK Fig. 670

Material: Cast steel, stainless steel
Nominal pressure: 63, 100 bar
Nominal diameter: 20-50 mm
Temperature range: -40…+400°C

Full lift, angle type, spring-loaded safety valve with threaded connections and closed bonnet.
Material versions:
- Cast steel DN 20-50 for pressures up to 95 bar and max. 400°C – hard metal-to-metal seal DN 20-50 for pressures up to 95 bar and max. 120°C – soft seal
- Acid-resistant cast steel DN 20-50 for pressures up to 40 bar and max. 300°C – hard metal-to-metal seal
Application range: Steam, Vapors and gases, Liquids, Two-phase flow
Safety Valve Selection
Application
Features
- G-type (BSPP) threaded connections for PN40 class valves
- NPT type threaded connections (taper thread) at the inlet and G-type (BSPP) at the outlet for PN63 and PN100 class valves
- valve execution in accordance with the requirements of EN ISO 4126-1
- high degree of tightness
- ATEX version available
- suitable for operation with hydrogen and oxygen (for acid-resistant cast steel versions)
For valves with a soft seal
- quiet valve operation
- increased closing tightness
- protection of the disc sealing surface against scale deposition (when the medium is industrial and drinking water) and against fine mechanical impurities