Double Off-Set Disc Wafer Type Butterfly Valve

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 & Vaccum

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

The aira Double Offset Disc Wafer Type Butterfly Valve is designed for precision and reliability in various industrial applications.

1 – Double Offset Design: Provides enhanced sealing performance and reduced wear, ensuring a tight shut-off and long service life.

2 – Disc Configuration: Features a unique disc design that minimizes friction and torque requirements, improving operational efficiency.

3 – Wafer Style: Compact and lightweight design for easy installation between flanges and space-saving in piping systems.

4 – Durable Construction: Constructed from high-quality materials to withstand harsh conditions and high pressures.

5 – Versatile Use: Suitable for applications in water treatment, chemical processing, HVAC systems, and more.