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Bundor is industry leaders in the design and manufacture of Triple Offset Butterfly Valves

Jun 25,2018 Posted by Bundor

Industry News

Bundor is industry leaders in the design and manufacture of Triple Offset Butterfly Valves.  Bundor is at the forefront of innovation, producing their patented Triple Offset Butterfly Valves for industries across the globe.

What are the advantages of Triple Offset Technology?

Less cost

Less weight

Less space

Zero friction

Zero leakage

How Does Triple Offset Technology Work?

There are three separate “offsets” designed in to the triple-offset butterfly valve. Two of the offsets apply to the location of the shaft in respect to the centreline of the bore and the centreline of the disc / seat sealing surfaces.  The third is the design in the axis of the seat cone angle that is inclined from the centreline of the valve bore minimising rubbing of the seat/seal contact surfaces during operation and to preserve sealing integrity over the cycle life of the valve. This wide angle seat also eliminates wedging or binding of the disc.  This design overcomes the problem of deformation and friction.

Features & Benefits of Bundor’ Triple Offset Butterfly Valves:

Innovative design: The ‘cam action’ and ‘right angled conical sealing design ensures that the metal sealing components are never in contact until its final degree of closing, resulting in repeatable sealing and a vastly extended valve life.

Triple Offset design: Metal to metal seating ensures bubble tight closure of the valve, resulting in zero-leakage performance.

No Keyways or Pins into shaft of Valve: A square shaft along the full length of the drive chain eliminates the problems of a weaker shaft, the problem of shearing and allows a lower torque actuator to be used to automate the valve

Replaceable disc face: The innovative design of the shaft and disc assembly allows the disc to be easily replaced without effecting any other components – reduces maintenance costs and downtime.

Friction free stroking: The geometric design of sealing components provides friction-free stroking throughout the valve – extends valve life, ensures no over-travel of the disc and allows for a lower torque-range actuator to be fitted.

Low fugitive emissions: Quarter-turn technology reduces emissions making this Valve more environmentally friendly.

No cavities between sealing components: Eliminating the ingress of particles meaning no clogging, low maintenance requirements and longer valve life.

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