Proportional safety valve zARMAK Fig. 240
Material: Grey cast iron, cast steel, cast stainless steel
Nominal pressure: 16, 40 bar
Nominal diameter: 15-200 mm
Temperature range: -196…+400°C
Proportional, angle type, spring-loaded safety valve with flanged connections and closed and open bonnet.
Material versions:
- Grey cast iron DN 15-200 for pressures up to 16 bar and max. 300°C – hard metal-to-metal seal DN 25-125 for pressures up to 16 bar and max. 120°C – soft seal
- Cast steel DN 20-200 for pressures up to 40 bar and max. 450°C – hard metal-to-metal seal DN 25-125 for pressures up to 40 bar and max. 120°C – soft seal
- Acid-resistant cast steel DN 20-100 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
Diathermic oil
Steam
Compressed air
Neutral fluids
Power engineering
Features
- flanges drilled in accordance with EN 1092-2 for body material A
- flanges drilled in accordance with EN 1092-1 for body material F, R
- valve execution in accordance with the requirements of EN ISO 4126-1
- high degree of tightness
- available with a thermal insulation insert for the spring chamber (for carbon cast steel versions)
- available with an open bonnet design (recommended for temperatures above 350°C)
- 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:
Declaration of conformity:
