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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, Rotorkâ€™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 environments
Applications: SIL3, functional integrity, safety, limited space
Pneumatic, single and double-acting
Up to 150,000 Nm (1,300,000 lbf.in) (higher upon request)
12 barg for the pneumatic
90° ± 5° (Custom rotations beyond 90Â° upon request)
E42 GIDC Estate, Sanand- II, Behind Endurance Technology, BOL GIDC, Taluka: Sanand, Dist.: Ahmedabad - 382170, Sanand, , Gujarat - 380015, India
Mobile : +91-9327012331, +91-8200125356, +91-9824038086
Phone : +91-79-26929121, +91-79-48002500
Fax : +91-79-40064060
Call Us : 08047025085