Pneumatic Fully Rubber Lined Butterfly Valve Electric Fully Rubber Lined Butterfly Valve Application:
Seal ring information code Applicable temperature Applicable medium
NR ≤85℃ water, air, acids and alkalis
CR ≤85℃ water, gas, acids and alkalis
NBR ≤100 ℃ water, oil
EPDM ≤120 ℃ water, steam, general acid and alkali class
FKM ≤150 ℃ water, steam, strong acid and alkali class
Pneumatic fully lined rubber butterfly valve Electric fully lined rubber butterfly valve Information:
Valve body: cast iron, ductile iron, carbon steel, stainless steel
Butterfly plate: cast iron, ductile iron, carbon steel, stainless steel, carbon steel thoroughly coated with rubber or fluorine plastic
Valve stem: carbon steel nickel-phosphorus plated, stainless steel
Seat seal ring: natural rubber NR, neoprene CR, nitrile rubber NBR, EPDM, fluorine rubber FKM

