The whole line with rubber butterfly valve application: seal material code applicable medium NR of applicable temperature of 85 ℃ or less water, air, acid and alkali CR 85 ℃ or less water, gas, acid and alkali class NBR 100 ℃ or less water, oil EPDM 120 ℃ or less water, steam, general acid-base FKM 150 ℃ or less water, steam, strong acid and alkali full line with rubber butterfly Industrial Valves structure features: 1, novel design, reasonable, unique structure, light weight, rapid opening and closing. 2, small operation torque, easy to operate, saving smart. 3, can be installed anywhere, easy maintenance. 4, seal can be replaced, sealing reliable performance to achieve two-way sealing zero leakage. 5, sealing material resistance to ageing, weak corrosion, long service life, etc.
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