Tripple Offset Double Flanged Butterfly Valve

“aira” triple eccentric butterfly valves are metal-to-metal seated, offering zero leakage, bi-directional flow control, and low emissions. They are suitable for extreme temperatures from -10°C to 400°C, with a triple offset sealing system that ensures friction-free operation and adaptability to temperature fluctuations.

Specification & Standard

Design & Manufacturer: API 609 Category "B" / BS EN 593
Valve Face To Face Dimension: API 609 / BS EN 558
Flange Standard Conformity: ANSI B16.5, 16.47 – 150# / 300# / 600#
Inspection & Testing: FCI-70-2 / B16.104 / ISO 5208 / BS EN 12266-1
Pressure Temperature Rating: ASME B16.34
Top Mounting Standard: ISO 5211
Stem Square Drive: ISO 5211
Seat Leakage Class: IV / V / VI
Top Flange Drilling: ASME B16.5 / 16.47 Class 150
End Connection: Wafer Type – D/F – AWWA C 504 D/F – IS 13095 – 150# / 300# / 600# / PN-10 / PN-16 / PN-20 / PN-25 / PN-40
Size Range: 1.1/2" to 48" (Above 48" on Request) / 40 MM to 1200 MM
Temperature Range: Upto 400°C
Pressure Class: 150# / 300# / 600# / PN-10 / PN-16 / PN-20 / PN-25 / PN-40
Media: Water / Oil / Steam / Air / Gas / Chemical & Vacuum
Leakage Class: Class VI as per ANSI B16.104
Body Material: CI / DI / S.G.I / WCB / CF8 / CF8M / CA15 / WCC / LCB / WC6 / WC9 / WC12 / Hast Alloy C / Nickel Aluminium Bronze / Duplex 4A / 5A / 6D / Super Duplex / Alloy 20
Disc Material: CI / DI / S.G.I / WCB / CF8 / CF8M / CA15 / WCC / LCB / WC6 / WC9 / WC12 / Hast Alloy C / Nickel Aluminium Bronze / Duplex 4A / 5A / 6D / Super Duplex / Alloy 20
Seat Material: SS 304 / SS 304L / SS 316 / SS 316L / SS 304 + Stellite 6 / SS 316 + Stellite 6 / SS 316 + Stellite 21 / Inconel / Duplex 4A / Duplex 5A
Flanged Drilling: ASME B16.5 / 16.47 Class 150
Certification: Design CE Approved / SIL3 Approved / Fire Safe Design Approved

Features & Benefits

The aira Triple Offset Double Flanged Butterfly Valve is engineered for precision and durability in high-pressure and high-demand environments.

1 – Triple Offset Design: Delivers superior sealing performance and reduces torque, providing a tight shut-off and enhancing valve longevity.

2 – Double Flanged Configuration: Designed for robust installation with flanges on both sides, ensuring stability and easy integration into piping systems.

3 – High-Quality Materials: Constructed from durable materials to withstand extreme conditions and high pressures.

4 – Leak-proof Sealing: Advanced sealing mechanism minimizes leakage and ensures reliable operation.

5 – Versatile Applications: Ideal for demanding industrial applications such as water treatment, chemical processing, and power generation.