Full lift safety valve zARMAK Fig. 650

Material: Cast steel, cast stainless steel
Nominal pressure: 40, 63, 100 bar
Nominal diameter: 20-50 mm
Temperature range: -196…+400°C
Safety Valve Selection

Full-lift, angle-type, spring-loaded safety valve with threaded connections, with closed bonnet.
Material versions:
- cast steel
DN 20–50, for pressures up to 95 bar and max. 400°C – metal-to-metal seat
DN 20–50, for pressures up to 95 bar and max. 120°C – soft seat - cast stainless steel
DN 20–50, for pressures up to 40 bar and max. 300°C – metal-to-metal seat
Application range: Steam, vapours and gases, liquids, two-phase flow
Application
Features
- threaded connections type G (BSPP) for PN40 valves
- threaded connections type NPT (taper thread) at inlet and type G (BSPP) at outlet for PN63 and PN100
- valves design in accordance with EN ISO 4126-1
- high tightness
- ATEX version available
- suitable for hydrogen and oxygen service (for cast stainless steel versions)
For valves with soft seat:
- low noise operation
- increased tightness
- protection of disc sealing surface against scale formation (for industrial and potable water) and fine mechanical impurities