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Si 6303 – Si 6304 – Si 6305
High flow safety valves
Process and steam safety valves to PED and DIN/EN standards.
The proven quality IMI Bopp & Reuther high-pressure safety valve.
- A reliable design with solid inlet nozzle, screwed in and welded.
- With a great variety of sizes and options.
- Available in material designs for high as well as low temperatures.
Product Specifications
Inlet sizes
- DN 25 to DN 400
Inlet pressure rating
- PN 10 to PN 400
Set pressures
- 0.45 bar g to 250 bar g
Temperature range
- -270 °C to + 550 °C
Overpressure
- Vapours / gases: 5%
- Liquids: 10%
Blowdown
- Vapours / gases: 10%
- Liquids: 20%
Allowable built-up back pressure without bellows
- 15% of the set pressure
Find your perfect flow control solution