Wafer Type EPDM Sealing Butterfly Valve PN16

Specifications EPDM Sealing Butterfly Valve

1) good interchangeability and low price

2)stem sealing avoids leakage

3)convenient to replaceme

  Wafer Type EPDM Sealing 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.   Adoption standard

Design standard	GB/T 12238-1989
Face to face	ISO 5752-1988
Flange dimension	ISO 7005.2
Inspection standrad	GB/T 13927-92
Drving style	Lever, gearm electric, pneumatic
Standards	ASTM, DIN, EN, JIS, BS
Medium	Water, Oil, Gas

  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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