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hydraulic valve actuator / rotary / quarter-turn / rack-and-pinion
HQ

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Characteristics

  • Type:

    hydraulic

  • Movement:

    rotary, quarter-turn

  • Technology:

    rack-and-pinion

Description

Design
Double and single acting hydraulic actuators for mounting on quarter-turn valves (butterfly valves or ball valves). Top flange to ISO 5211. Control pressure up to 160 barCan be mounted on various types of valve stem ends (square end, flat end or key). Force transmission via rack-and-pinion or scotch-yoke which are ideal for actuating quarter-turn valves with output torque till 55 000 Nm . HQ/HQS/HQGS are equipped with a visual position indicator and adjustable travel stops for open/closed position as standard. Manual override can be provided on request. The following accessories are available for hydraulic control: - Shut-off valve - Hydraulic locking - Emergency shutdown (ESD) HQ can be combined with all AMTROBOX control units
Applications
Water, energy ,industrial engineering, marine