This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
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.
Let IMI Critical find the right solution for your application