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Triple Eccentic Butterfly Valves


Unparalleled in terms of quality and adaptability, they are manufactured on-demand in order to reach your highest expectations.

  • Metal/Metal tightness by direct contact without jamming the butterfly ring on the seal, also known as "eccentric" butterfly valve

  • Tight closure security : the closing position is ensured directly by the metal Seat's contact on the disc metal ring

  • No friction from the first degree of opening for low wear out and improved longevity

A design with advantages

  • Better trade-off of mass, face-to-face and nominal diameter than other types of metal/metal valves (ball valves, gate valves, globe valves)

  • Optimized disc/shaft design to reach a high flow coefficient (low head loss)

  • Internal protection ring for bushing , preventing any particles from getting in

  • Intrinsic Fire safe Pressure (BS 6755 part 2, API607)

  • Mounting plate ISO 5211

Common applications
  • Steam

  • Thermal power plants

  • Sea water desalination

  • District heating

  • Oil

  • Petrochemistry

  • Cryogenics

  • Factories of transformation processing

  • ...

Temperature from -196°C to 800°C

Pressure : until 250 bars

Tightness : Bidirectional zero leaks according to API 598, EN12266-1 and ANSI/FCI 70-2 Class VI regulation's

Coefficients = 100

Range :

Size : DN80 - 3200

Body material :

Disc Material :

Seat design :

Connection : wafer, lug, flanged, welded ends

Working temperature : -196°C - +800°C

Rating : Class PN10 to PN250 / ANSI150LB to ANSI 1500LB

Pressure PN10 to PN250

Intrinsic fire safe​

Bidirectional zero leaks according to API 598, EN12266-1​

Bidirectional zero leaks according to ANSI/FCI 70-2 Class VI

Characteristic of exponential flow (equal percentage) and linear between 60 and 80 opening degrees

Triple Eccentic Butterfly Valves

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