Lug type Butterfly Valve

Specifications apply to industry such as water treatment,food,air-condition industry

 DI Half Lug 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: Cast Iron, Ductile Iron, Carbon Steel, Alloy Allumium  Disc: Plated Ductile Iron, Aluminum Bronze, Stainless Steel, Carbon Steel  Stem: Carbon Steel, Stainless Steel  Seat: NBR,EPDM, Heat Resistant EPDM, VITON,  Pin: Stainless Steel  Bushing: PTFE, Bronze O-Ring: NBR, EPDM, VITON

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Product Categories : Butterfly Valve