Soft seal butterfly valve seal temperature

Soft sealing butterfly valve for less than 100 â„ƒ hot water, cold water system. If the system requires a higher temperature, available metal sealing butterfly valve (available in the system below 500 â„ƒ). Soft sealing butterfly valve seals (all kinds of commonly used rubber, PTFE) the highest temperature: nitrile rubber NBR â‰¤ 80 â„ƒ, EPDM EPDM â‰¤ 120 â„ƒ, PTFE PTFE â‰¤ 150 â„ƒ. In the acid-base medium, the maximum temperature is: 1, neoprene: nitric acid (10%) 29 â„ƒ; citric acid 29 â„ƒ; sodium hydroxide 93 â„ƒ. 2, butyl rubber: sulfuric acid (50%) 66 â„ƒ; nitric acid (10%) 40 â„ƒ; sodium hydroxide 85 â„ƒ. 3, F4: sulfuric acid (0-100%) 180 Â° C; nitric acid (0-100%) 180 Â° C; sodium hydroxide 180 Â° C Search Keyword: More Valves Technical Articles Valves Products Selling Leads

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