Linear

PHW

The BIFFI PHW Power Hand Wheel series has been engineered and manufactured to provide easy and quick operation of pipeline valves equipped with a gear reducer instead of the operation of turning manually the gear reducer’s hand-wheel.

Features & Benefits:

  • Anodized aluminium body and covers provides light weight together with compact overall dimensions.
  • Simplicity of construction and ease of use are at the top of design and construction parameters.
  • High torque and speed performance.
  • All gearing running in the oil bath which allows global high and constant efficiency and low power consumption.
  • Manual operation by hand-wheel with engagement lever an automatic disengagement in case of motor rotation. The handwheel does not rotate when motor is running.
  • Local indication of valve position by a device mechanically connected to the valve stem or, upon request, local dial indicator or remote indication by electrical switches
  • Weatherproof as standard (IP 68 according to IEC 529)
  • Explosion proof protection available in case of requirements for electrical components (limit switches, position transmitters, solenoid valves, etc)
  • Mechanical stops available on request
  • Supply connections with quick connectors and protecting Plugs

GENERAL APPLICATION:

Power Hand Wheel Unit is designed for the operation of linear and quarter turn valves on pipelines where power source (Electric, Pneumatic, Hydraulic) is not available.

TECHNICAL DATA:

Ambient Temperature: from -30°C to 80°C
Oil Flow rate into the range: from 10 l/min to 60 l/min
Supply Medium: Mineral oil
Oil Max Flow rate(for 140 bar max oil pressure): 70 l/min
Oil Supply pressure into the range: from 25 barg to 170 barg
Output torques (without bevel gear): up to 1200 Nm
Max. Supply pressure (for intermittent duty): 200 barg
Speed (without bevel gear): up to 144 rpm (higher speeds on request)

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Technical Data Sheets

PHW Power Hand Wheel (English)

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Certificates, Approvals & Qualifications

PED Module H H1 2019 07 (English)

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