Butterfly valve

What is

Butterfly valve


Valve Standard : Comply with EN593/BS5155/MSS SP-67.

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Product Name : Butterfly valve

Detailed Product Description

Valve Standard : Comply with EN593/BS5155/MSS SP-67.

Working Pressure and Temperature

Size 50 to 600, working pressure PN 16/Class 125.

Size 50 to 300, working pressure PN 20/Class 150.

Size 50 to 300, working pressure PN 25/Class 250.

Temperature from -10℃ to 120℃ for EPDM liner.

Temperature from -10℃ to 82℃ for NBR liner.


Temperature from -10℃ to 150℃ for Viton liner.


Materials Specification


part name Material EN Spec. ASTM Spec.
Body Cast Iron EN-JL1040 A126 Class B
Shaft Stainless Steel BS970 420S37 AISI 420
Disc Stainless Steel BS970 304S15 A351 CF8
Disc Bronze EN1982 CC491K B62 C83600

DI Nichel Plated or FBE Coated

EN-JS1050 A536 65-45-12
Bushing PTFE Commercial Commercial
Liner EPDM/NBR/VITON Commercial Commercial
O-Ring EPDM/NBR/VITON Commercial Commercial






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