Rubber seat for butterfly valves.We can provide wafer or lug butterfly valve, with various rubber seats, EPDM,NBR,VITON,PTFE,e

Rubber Seat 

For concentric butterfly valves. Various of rubber for different medium. There are soft seat and rubber seat with glass back.

The feature is as following:

Materials	Applicable medium	Feature	Applicable temperature °C
Natural rubber(X1)	Fresh water, Sea water,Salt, Strong base,Weak base,Food	High elasticity	-20°C~+85°C
Hypalon(X2)	Fresh water,Sea water,Salt, Strong base,Weak base,Weak acid,Alcohol.	Oxidation resistant	-20°C~+85°C Short time +140°C
EPDM(X3)	Fresh water, Sea water,Salt,Steam.	Aging resistant	-25°C~+110°C Short time +120°C
Neoprene(X4)	Fresh water,Sea water,Salt, Strong base,Weak base,Weak acid	Light-proof,Aging resistant	-25°C~+110°C Short time +120°C
NBR(X5)	Fresh water,Salt, Strong base,Natural gas, Oil.	Oil resistant	-20°C~+100°C Short time +110°C
Viton(X7)	Fresh water, Sea water, Salt,Weak base,Weak acid,Natural gas, Oil,Food.	High performance resistant, corrosion resistant	-20°C~+200°C Short time +250°C
PTFE	Fresh water, Sea water, Salt,Weak base,Weak acid,Natural gas, Oil,Food.	High performance resistant, corrosion resistant	-10°C~+200°C

Rubber seat