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Si 4322
Regular flow safety valves
Safety valves for pressure relief in accordance to PED and DIN/EN.
The modern pressure safety valve for regular capacities.
- Cost-effective body design with seat bushing developed with the modular principle with other series.
- Smooth and stable behaviour thanks to comparatively low lift.
- Inner parts made of stainless steel (except spring and spring washer).
Product Specifications
Inlet sizes
- DN 25 to DN 100
Inlet pressure rating
- PN 10 to PN 40
Set pressures
- 0.1 bar”g to 40 bar”g
Temperature range
- -270°C to +450°C
Overpressure
- Vapours / gases: 5%
- Liquids: 10%
Blowdown
- Vapours / gases: 10%
- Liquids: 20%
Allowable built-up back pressure without bellows
- 20% of the set pressure
Downloads
Access a digital copy of the brochure for more information.
Find your perfect flow control solution