Product Name: Rotork CQ Range Compact Helical Actuators
Brand: Rotork
Product Code: CQ
Tags: Rotork
CQ Range Helical Actuators
Rotork Compact Actuators
Rotork Helical Actuators
Range Helical
Rotork CQ Range Compact
CQ Compact Helical
Rotork CQ Range Helical
Rotork Compact Helical
Rotork CQ Compact Helical Actuators
Actuators
Rotork CQ Range Helical Actuators
CQ Compact Actuators
Rotork CQ Range Compact Helical
Rotork Range Compact Helical
Rotork CQ Actuators
CQ Compact
Rotork CQ Helical
Rotork Range Compact Helical Actuators
Helical Actuators
Range Compact Helical Actuators
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The CQ range provides an innovative fully-concentric and balanced actuator design for quarter-turn valves. The design features a helical mechanism that transforms linear piston motion into quarter-turn valve stem rotation. CQ actuators provide a much higher torque output for a given footprint than scotch yoke designs typically utilised to operate many quarter-turn valve types. It is therefore ideally suited for installation in confined spaces. Further, Rotork’s unique helical pin design provides higher efficiency than a helical gear mechanism utilised by other valve actuator manufacturers.As standard, the CQ torque output profile, like that of a scotch yoke actuator, is engineered to parallel the torque demand profile typically found with popular quarter-turn valve types. The CQ design however is unique in that the torque profile can be custom engineered and manufactured to meet specific, non-standard valve torque requirements.In our experience, the CQ standard range of sizes is suitable for applications that require a pneumatically powered actuator with torque demand less than 150,000 Nm. However, we also engineer CQ actuators with greater output and/or hydraulic power. Please apply to Rotork for these applications.Weatherproof housing suitable for harsh environmentsApplications: SIL3, functional integrity, safety, limited spacePneumatic, single and double-actingTorqueUp to 150,000 Nm (1,300,000 lbf.in) (higher upon request)Operating MediumInstrument airMineral oilSweet, clean and dry natural gas / nitrogenDesign Pressure12 barg for the pneumaticStroke Adjustment90° ± 5° (Custom rotations beyond 90° upon request)Temperature RangeStandard: -30 to 100 °C (-22 to 212 °F)PED Compliant: -20 to 160 °C (-4 to 320 °F)Low: -40 to 160 °C (-40 to 320 °F)Extreme Low: -60 to 160 °C (-76 to 320°F)CertificationIP66M/IP68, PED, IECEx, EAC, suitable for SIL3 applicationActuators certified to ATEX 2014/34/EU