Double Off-Set Disc Wafer Type Butterfly Valve

Features & Benefits

1 – Double Offset Design: Reduces friction and wear, providing enhanced sealing and extended valve life.

2 – Metal Construction: Ensures durability and strength, suitable for high-pressure and high-temperature applications.

3 – Grafoil Laminated Seat: Offers superior resistance to high temperatures and pressures, ensuring a tight, reliable seal.

4 – Double Flanged Construction: Provides secure, stable installation and alignment in piping systems.

5 – Versatile Application: Ideal for demanding environments, including chemical processing, power generation, and industrial systems.

6 – Low Maintenance: Designed for minimal upkeep while delivering consistent, dependable performance.

Specification	Details
Design & Manufacturer	API 609 CATEGORY “B” / MSS SP – 68 / BS EN – 593
Valve Face To Face Dimension	API 609 CATEGORY “B” / ISO 5752 / MSS SP – 68 / BS EN – 558
Flange Standard Conformity	ASME / ANSI B 16.5 Class 150 ASME / ANSI B 16.47 Series “A” & “B” Class 150 DIN 1092 – 1
Inspection & Testing	API 598 / BS EN 12266 – 1 / AWWA C 504 / AWWA C 516 / IS 13095
Pressure Temperature Rating	ASME B 16.34
Top Flange Drilling	Bolt Hole ISO 5211
Stem Dimension	Square Drive To ISO 5211
Seat Leakage Class	Class VI As Per ANSI B 16, 16.104 / FCI-70 – 2, ISO – 5208
End Connection	Wafer Type – D/F – AWWA C 504 / D/F – IS 13095 – 150#, 300#, 600#, PN-10 PN-16 PN-20 PN-25
Certification	Design CE Approved, SIL3 Approved, Fire Safe Design Approved
Size Range	2.1/2″ To 48″ (65 MM To 1200 MM)
Temperature Range	NBR -10°C To + 90°C EPDM -20°C To + 120°C VITON -0°C To + 220°C PTFE -25°C To + 180°C
Pressure Class	150#, 300#, 600# PN-10 PN-16 PN-20 PN-25
Media	Water, Oil, Steam, Air, Gas, Chemical & Vacuum
Leakage Class	Class VI As Per ANSI B16.104
Body Material	CAST IRON, DUCTILE IRON, S.G IRON, WCB, CF8, CF8M, CA 15, WCC, LCB, WC6, WC9, WC12, HAST ALLOY C, NICKEL ALUMINIUM BRONZE, DUPLEX 4A, 5A, 6D, SUPER DUPLEX, ALLOY 20
Disc Material	CAST IRON, DUCTILE IRON, S.G IRON, WCB, CF8, CF8M, CA 15, WCC, LCB, WC6, WC9, WC12, HAST ALLOY C, NICKEL ALUMINIUM BRONZE, DUPLEX 4A, 5A, 6D, SUPER DUPLEX, ALLOY 20
Seat Material	EPDM / NBR / VITON
Design Standard	API 609 / IS : 13095 / BSEN 593 / AWWA C 504 / AWWA C 516
Flange Drilling	ASME B16.5 / 16.47 Class 150

Features & Benefits

1 – Double Offset Design: Reduces friction and wear, providing enhanced sealing and extended valve life.

2 – Metal Construction: Ensures durability and strength, suitable for high-pressure and high-temperature applications.

3 – Grafoil Laminated Seat: Offers superior resistance to high temperatures and pressures, ensuring a tight, reliable seal.

4 – Double Flanged Construction: Provides secure, stable installation and alignment in piping systems.

5 – Versatile Application: Ideal for demanding environments, including chemical processing, power generation, and industrial systems.

6 – Low Maintenance: Designed for minimal upkeep while delivering consistent, dependable performance.

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