In addition to the basic version the numerous sealing possibilities and materials, back-pressure compensating metal bellows and / or a gastight cap offer the necessary optional extras required to fulfill the highest safety requirements.
For the protection of:
- pressure tanks and -systems for neutral / non-neutral vapours, gases and liquids
 - steam boilers and steam plants
 - bulk transport vehicles for liquid, granular and dusty goods.1
 
Please observe plant-specific regulations and use of appropriate valve version and sealing material.
- chemical plants, biogas plants
 - process equipment construction and medical technology (sterilizers, autoclaves)
 - secondary areas in the food-, beverage-, pharmaceutical- and cosmetics- industries
 
Safety valves are set and sealed at the factory.
1 only for versions with bellows