Full lift safety valve zARMAK Fig. 630
Material: Grey cast iron, nodular cast iron, cast steel, cast stainless steel
Nominal pressure: 16, 40, 63, 100 bar
Nominal diameter: 20-400 mm
Temperature range: -196…+400°C
Full-lift, angle-type, spring-loaded safety valve with flanged connections, with closed bonnet.
Material versions:
- grey cast iron
DN 20–150, for pressures up to 16 bar and max. 300°C – metal-to-metal seat
DN 20–100, for pressures up to 16 bar and max. 120°C – soft seat - nodular cast iron
DN 20–100, for pressures up to 40 bar and max. 350°C – metal-to-metal seat
DN 20–100, for pressures up to 40 bar and max. 120°C – soft seat - cast steel
DN 20–400, for pressures up to 95 bar and max. 400°C – metal-to-metal seat
DN 20–100, for pressures up to 95 bar and max. 120°C – soft seat - cast stainless steel
DN 20–100, for pressures up to 40 bar and max. 300°C – metal-to-metal seat
Application range: Steam, vapours and gases, liquids, two-phase flow
Safety Valve Selection
Application
Industry
Shipbuilding industry
Drinking water
Petrochemical industry
Sewage
Gas
Heating
Refrigeration and Air Conditioning
Glycol
Industrial water
Steam
Compressed air
Neutral fluids
Power engineering
Features
- flanges drilled in accordance with EN 1092-2 for body materials A, C
- flanges drilled in accordance with EN 1092-1 for body materials F, R
- design in accordance with EN ISO 4126-1
- high tightness
- possibility of thermal insulating insert for spring chamber (for cast steel versions)
- 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
Download
Technical data sheet:
User’s manual:
Declaration of conformity:
Declaration of conformity:
