Wafer Manual Hard Seal Butterfly Valve.

good quality and low price.Tempeature:-20-80 Body:CI,Disc:CI,CF8,SS316,Seat:NBR,EPDM,PTFE

1. Features

it is of short neck structure,and meets the strict requirements of HVAC equipment,water conservancy and irrigation, civil and industrial purposes. It may be applied on the narrow pipeline at installation place. The actuator could be handle. worm gear, electric and pneumatic.

2. Materials

Valve body: Cast iron/ ductile iron

Butterfly disc: ductile iron (nickel coated)/ aluminum bronze/ 316 stainless steel

Shaft: 416/ 316 stainless steel

Sealing seat: NBR/ EPDM

3. Pressure and temperature

Working pressure: DN50-DN300 1.5MPa

          DN350-DN600 1.0MPa

Temperature scope: NBR -26°C~82°C

          EPDM -26°C~135°C