Proportional safety valve zARMAK Fig. 270
Material: Cast steel, cast stainless steel
Nominal pressure: 40 bar
Nominal diameter: 20-50 mm
Temperature range: -196…+400°C
Proportional, angle type, spring-loaded safety valve with threaded connections and closed bonnet.
Material versions:
- Cast steel DN 20-50 for pressures up to 40 bar and max. 450°C – hard metal-to-metal seal DN 25-50 for pressures up to 40 bar and max. 120°C – soft seal
- Cast stainless 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
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
- G-type (BSPP) threaded connections
- 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
Download
Technical data sheet:
User’s manual:
Declaration of conformity: