Double Offset Disc Double Flanged Butterfly Valve

Design & Manufacturer

API 60/ BS 5155/ BS EN 593/ IS 13095/ AWWA C-504

Valve Face To Face Dimension

API 609 ( Short Pattern ) BSEN 558 ( Long Pattern ) IS 13095

Flange Standard Conformity

ASME / ANSI B 16.5 Class 300 & 600

Inspection & Testing

API 598 / BSEN 12266-1 / AWWA C 504 / AWWA C 516 / IS 13095

Top Flange Drilling

ASME B16.5 / 16.47 Class 150.

Seat Leakage Class

Class VI As Per ANSI B16.104

End Connection

Double Flange - D/F- AWWA C 504 D/F - IS 13095 - 150#, 300#, 600#, PN-10 PN-16 PN-20 PN-25

Size Range

2“ To 24” Double Flange 300# & 600# ( 50 MM To 600 MM )

Temperature Range

NBR -10°C To + 90°C EPDM -10°C To + 90°C VITON -10°C To + 90°C

Pressure Class

150# , 300# , 600# PN-10 PN-16 PN-20 PN-25

Media

Water, Oil, Steam, Air, Gas Chemical & Vaccum

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.

Certification

Design CE Approved, SIL3 Approved, Fire Safe Approved, EIL Approved

Features & Benefits

The aira Double Offset Disc Double Flange Butterfly Valve is engineered for high performance and durability in industrial applications.

1 – Double Offset Design: Reduces friction and torque, providing superior sealing and a tight shut-off.

2 – Double Flange Configuration: Ensures secure mounting with flanges on both sides for stability and ease of installation.

3 – Disc Design: The offset disc arrangement enhances flow control and minimizes wear.

4 – Robust Construction: Made from high-quality materials to handle extreme conditions and high pressures.

5 – Versatile Applications: Ideal for use in water treatment, chemical processing, and power generation.