Triple Offset Butterfly Valves
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Hobbs Valve manufactures their innovative Triple Offset Butterfly Valve to provide optimum performance and maximum resistance in high intensity applications worldwide. Their patented design is at the forefront of technology and offers the end-user benefits above and beyond its competitor valves.
For more information on how Hobbs’ Triple Offset Butterfly Valve works, please click here.
Feature and Benefits of Hobbs Triple Offset Butterfly Valve:
- 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.
- Cost savings: Butterfly Valves offer an inherent reduction in materials and weight compared to other Ball, Gate & Globe Valves, making the Butterfly Valve a cheaper option.
- Low cost automation: Low torque ranges means the cost of automating the Valves are much lower, helping you to save costs or be more competitive in bids.
- Field replaceable seat and seal components: Minimal low-hassle maintenance.
- 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.
- Metal to metal sealing: Allowing for higher pressure and temperature applications whilst still providing bubble-tight shut off.
MGA Controls are fully trained and committed to Hobbs Valve’s Triple Offset Butterfly Valves. With a long standing partnership and success in specifying Hobbs Valve’s into the industry, we have plenty of experience and technical expertise. For any enquiries or technical advice please call our experts on 44 (0) 870 803 2001 or send us an enquiry.
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 centerline 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.
Why choose Hobbs’ Triple Offset Butterfly Valve over its competitors?
The design, features and benefits of Hobbs’ Triple Offset Butterfly Valve described above can be summed up into the following points:
- Less cost
- Less weight
- Less space
- Zero friction
- Zero leakage
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