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RH Range - Rack and pinion actuators - render
RH Range - Rack and pinion actuators - render
RH Range - Rack and pinion actuators - cutaway
RH Range - Rack and pinion actuators - cutaway

Rotork

RH - heavy-duty

RH

RH heavy-duty actuators are a compact, economical and robust solution for quarter-turn valves that have a fairly constant torque requirement throughout the stroke and are designed to operate ball, butterfly, plug and other quarter-turn valves for either on/off or modulating service.

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Features
  • Double-acting and spring-return configurations
  • Fail-close or fail-open
  • For on/off and modulating
  • Heavy-duty cast iron bodies
  • Electroless nickel-plated cylinders for corrosion resistance
  • Totally enclosed weatherproof housing
  • Valve mounting dimensions per ISO 5211 DIN 3337
  • Certified to IP 66M/67M
  • Certified to ATEX 2014/34/EU and PED 97/23/EC
  • Certified suitable for use at SIL3 as a single device in accordance with IEC 61508
  • Optional emergency manual override suitable to operate the actuator in the event of fluid supply failure.
Features
Features
  • Double-acting and spring-return configurations
  • Fail-close or fail-open
  • For on/off and modulating
  • Heavy-duty cast iron bodies
  • Electroless nickel-plated cylinders for corrosion resistance
  • Totally enclosed weatherproof housing
  • Valve mounting dimensions per ISO 5211 DIN 3337
  • Certified to IP 66M/67M
  • Certified to ATEX 2014/34/EU and PED 97/23/EC
  • Certified suitable for use at SIL3 as a single device in accordance with IEC 61508
  • Optional emergency manual override suitable to operate the actuator in the event of fluid supply failure.
Downloads
Product Brochures
PUB019-004 - RH Range Brochure - English (pdf)
Manuals
PUB019-018 - RH Range Installation and Maintenance Manual - English (pdf)
Drawings/Dimensions Data
PUB019-003 - RH Range Microswitch Coupling Dimension Data - Metric - English (pdf)
PUB019-006 - RH Range General Dimension Data - Metric - English (pdf)
PUB019-020 - RH range Valve Coupling Dimensions - English (pdf)
PUB019-021 - RH Range and Hydraulic override General Dimension Data – Metric (pdf)
Certificates
PUB010-050 - CP/LP/LH/RH Ranges IECEx Certificate of Conformity - English (pdf)
PUB010-033 - Rotork Fluid Systems SRL ISO 14001 Certificate - English (pdf)
PUB019-019 - GSR Range IP66/IP68 Conformity Certificate - English (pdf)
PUB019-010 - RH-S SIL Functional Safety Data - Lucca - English (pdf)
PUB019-016 - RP-S SIL Functional Safety Data - Lucca - English (pdf)
PUB019-017 - RP-D SIL Functional Safety Data - Lucca (Withdrawn) - English (pdf)
PUB019-008 - RH Range IP66 and 67 Conformity Certificate - English (pdf)
PUB019-005 - RH Range ABS Assessment - English (pdf)

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