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Tripple Offset Lug Type Butterfly Valve


Aira Euro Automation is one of the top Pneumatic Actuated Triple Offset Double Flange Butterfly Valve manufacturer in India. Since 1990 we are constantly serving this sector.

Specification Details
Size Range 1.1/2″ To 24″ (Above 24″ On Request) (40 MM To 600 MM)
Temperature Range NBR: -10°C To 400°C
Working Pressure 150# PN 10 / PN 16 / PN 20 & 300# PN 25 / PN 40

Features & Benefits

The aira Triple Offset Lug Type Butterfly Valve is engineered for high performance and reliability in demanding applications.

1 – Triple Offset Design: Provides excellent sealing and minimizes friction, ensuring a tight shut-off and reducing torque requirements.

2 – Lug Style: Designed with integrated lugs for easy mounting and dismounting between flanges, facilitating straightforward installation and maintenance.

3 – Robust Construction: Built from high-quality materials to endure extreme conditions and high pressures.

4 – Enhanced Sealing: Advanced sealing technology minimizes leakage and enhances operational reliability.

5 – Versatile Use: Ideal for various industrial applications, including water treatment, chemical processing, and power generation.

For your ease and safety, aira euro has manufactured a Pneumatic Rotary Actuator Operated Triple Offset Lug Type Butterfly Valve with Fire safe design to prevent accidents in your work area.

Materials:

We use ASTM A 216 Gr. WCB A 351 Gr. CF8 / CF8M / CF3M casting material for Body, AISI 410 / 304 / 316 for Shaft, ASTM A 351 Gr. CF8 / CF8M / CF3M for Disc, and Metal to Metal / EPDM material for Seat.

Specialty:

This valve is available in 1.½” to 48” in size can easily sustain pressure up to 10 BAR and temperature up to 120°C in EPDM material and 300°C in Metal to Metal. It comes up with VI leakages as per ANSI B 16, 16.104, and Lug type End connections.

Where to use:

These valves are useful to control the flow of Oil/ Gas/ Steam/ Water/ Air/ Chemical & Vacuum. So it is very useful in Oil refineries, Petro- Chemical Plants, Gas Plants, etc.

Dimension Table

A Triple Offset Lug Type Butterfly Valve features a unique design with three offset points, ensuring a tight seal and preventing seat wear. It is used to control the flow of fluids in pipelines and is ideal for high-pressure and high-temperature applications. The lug-style design allows for easy installation and maintenance, making it a reliable choice for industries such as 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 16.34
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 24″ (Above 24″ On Request) (40 MM To 600 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, SS 316 + STELLITE 21, INCONEL, DUPLEX 4A, DUPLEX 5A
Certification Design CE Approved, SIL3 Approved, Fire Safe Design Approved 150# PN 10 / PN 16 / PN 20 & 300# PN 25 / PN 40
Size Range

1.1/2" To 24" (Above 24" On Request) (40 MM To 600 MM)

Temperature Range

NBR:- -10°C To 400°C

Working Pressure

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