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Si 2321
Regular flow safety valves
Safety valves for pressure relief in accordance to PED und DIN/EN.
- Cost-effective body design with seat bushing.
- Smooth and stable behaviour thanks to comparatively low lift.
- Cast iron body with inner parts mainly out of stainless steel.
- The regular safety valve for low pressures.


Product Specifications


Inlet sizes
- DN 20 to DN 150
Inlet pressure rating
- PN 10 to PN 16
Set pressures
- 0.45 bar”g to 16 bar”g
Temperature range
- -10 °C to +300 °C
Overpressure
- Vapours / gases: 10%
- Liquids: 10%
Blowdown
- Vapours / gases: 10%
- Liquids: 20%
Allowable built-up back pressure without bellows
- 15% of the set pressure
Downloads
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