Tripple Offset Wafer Type Butterfly Valve
Tripple Offset Wafer Type Butterfly Valve - Image 2
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Tripple Offset Wafer Type Butterfly Valve

aira Euro automation has expertise in manufacturing Pneumatic Actuator Operated Triple Off Set Butterfly Valve and ready stock available on any time.

Specification Details
Size Range 1.1/2″ To 48″ (Above 48″ On Request) (40 MM To 1200 MM)
Maximum Allowable Operating Temperature NBR: -10°C To 400°C
Working Pressure 150# PN 10 / PN 16 / PN 20 & 300# PN 25 / PN 40

A Triple Offset Wafer Type Butterfly Valve features a three-dimensional offset design that ensures a tight seal and reduces seat wear. This valve provides reliable flow control in high-pressure and high-temperature applications. Its wafer-style design allows for easy installation between flanges, making it ideal for industries like oil and gas, water treatment, and chemical processing.

Specification & Standard

Specification Details
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 B 16
Top Mounting 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 + STALLITE 6, SS 316 + STALLITE 6, SS 316 + STALLITE 21, SS 316 + STALLITE 21, INCONEL, DUPLEX 4A, DUPLEX 5A
Inspection & Testing API 598/ BSEN 12266-1/ AWWA C 504/ AWWA C 516/ IS 13095
Certification Design CE Approved, SIL3 Approved
Pressure Ratings 150# PN 10/ PN 16/ PN 20 & 300# PN 25/ PN 40
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Features & Benefits

The aira Triple Offset Wafer Type Butterfly Valve is designed for precise control and durability in demanding applications.

1 – Triple Offset Design: Provides superior sealing performance and reduces torque requirements, ensuring tight shut-off and longevity.

2 – Wafer Style: Compact and easy to install between flanges, saving space and simplifying maintenance.

3 – High-Quality Materials: Constructed from robust materials to withstand harsh environments and high pressures.

4 – Leak-proof Sealing: Enhanced sealing capability reduces the risk of leakage and enhances operational reliability.

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

How Triple Offset Butterfly Valves Work?

Our Hand lever or Warm Gear operated Triple Offset Butterfly Valve Wafer type fire safe designed metal to metal seated valve useful for throttling and positive isolation applications. Our triple offset butterfly valve is capable of bi-directional flow control, zero leakage, low fugitive emissions. Because of the triple offset sealing system, the disc movement becomes smooth and free of friction at all points along with the specially designed body seat and disc seal.

In the triple offset, the third offset completely eliminates rubbing. When the disc is closed, the seal ring on the disc energizes the seat on the body. For that, we get a sung tight High performance fit.

Materials & Specifications:

Our MGQ model Hand lever or Worm Gear operated triple offset butterfly valve is available with wafer type fire safe design to get the protection from any unexpected major accident at the workplace. We use ASTM A 216 Gr. WCB A 351 Gr. CF8 / CF8M / CF3M casting materials to make Body & ASTM A 351 Gr. CF8 / CF8M materials for Disc. It is available in soft seated and also in metal to metal that provides zero leakage, As per class VI. This valve is available in 2” to 36” inches in size and can tolerate temperatures up to 550°C and also make for a higher temperature tolerant valve on request. This valve can sustain pressure As per 150# B16.34 and comes up with ASME / ANSI B 16.5 Class 150 End connections.

Dimension Table

Size Range

1.1/2" To 48" (Above 48" On Request) (40 MM To 1200 MM)
Maximum Allowble Operating Pressure

NBR:- -10°C To 400°C
Working Pressure

150# PN 10, PN 16, PN 20 & 300# PN 25, PN 40

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