Aluminum Alloy Body JIS Butterfly Valve

Specifications Butterfly Valve

1)Mounting Pad: ISO 5211

2)General design:API 609

3)Minimize operating torque,energing serving

Aluminum Alloy Body JIS Butterfly Valve  Main parts 1)Top flange as per ISO5211 standard can suit for all kinds of acuators such as handkes, gear box, electric actuator and pneumatic actuators 2)Stem Round with key,square and double "D" for your selection. 3)O ring prevent stem fron leakage 4)Shaft seal :bounding of elastomer to phenolic backing ring protect from distortion, a common cause of shaft leakage. 5)Precision profile disc provides bubble-tight shut-off and assures minimum torque value and long seallift 6)The edge-boot seat features lower to torque and eliminates the need for flange gasket, the way of edge-boot seat with valve body makes field replacement simple and fast.    Material of construction:   Body:  Alloy Allumium   Disc: Stainless Steel   Stem: Carbon Steel, Stainless Steel   Bushing: PTFE   O-Ring: EPDM