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Triple Eccentric Butterfly Valve
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Triple Eccentric Butterfly Valve

High Performance • Durable • Leak Proof

API 6DASME B16.34ISO 17292CE Certified

Metal-seated triple eccentric butterfly valve designed for reliable isolation in demanding industrial pipelines.

Technical Specifications

Key Features & Applications

A Triple Eccentric Butterfly Valve is designed for industrial pipelines where tight sealing, high temperatures and repeated operation are important. Unlike conventional butterfly valves, it uses three offsets in the disc and shaft arrangement. This geometry allows the disc to move away from the seat during opening, reducing friction between the sealing surfaces and limiting wear over time.

The valve typically uses a metal-to-metal or laminated metal sealing arrangement, making it suitable for demanding operating conditions. Its quarter-turn design provides straightforward opening and closing, while the offset construction helps maintain sealing performance during frequent operation.


Technical Specifications

Parameter

Specification

Valve Type

Triple Eccentric Butterfly Valve

Design

Triple Offset / Triple Eccentric

Size Range

DN80 - DN1600

Pressure Rating

ASME Class 150, 300, 600

Body Material

ASTM A216 WCB, ASTM A351 CF8 / CF8M, ASTM A217 WC6 / WC9

Disc Material

ASTM A351 CF8 / CF8M, ASTM A216 WCB, Alloy Steel

Seat Material

Metal-to-Metal / Laminated Metal Seat

End Connection

Wafer, Lug, Double Flanged

Operation

Manual, Gear, Pneumatic, Electric

Design Standards

API 609, EN 593

Pressure-Temperature Standard

ASME B16.34

Face-to-Face Standard

ASME B16.10

Testing Standards

API 598, ISO 5208

Related Products

AWWA Butterfly Valve
AWWA Butterfly Valve

• Class 150B: up to 250 PSI working pressure Pressure ratings subject to size and seat material Design verification per AWWA C504

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