Rotork introduces the modulating actuators CML-1500 and CML-3000 https://www.automation.com/files/pluginfiles/item_99762/field_376/2.120D_reg.png
26. November 2018 - Rotork has expanded its CMA range of compact modulating actuators by sizes specifically designed to automate larger linear control valves.
The actuator can perform a maximum seat thrust of 4,500 lbf (20 kN). The sizes increase the modulating thrust capacity of the CMA range to 13 kN at a 114.3 mm (4.5 ") stroke for the automation of larger valves with higher pressure ratings.
The CML-1500 and CML-3000, including approved hazardous area approvals, are waterproof to IP68 temporary submersion (7 meters, 72 hours). The optional reserve power pack (RPP) supplies the actuator with supercapacitors with enough stored energy to perform a predetermined action in the event of a power failure, such as a power failure. B. in the fully closed position, in the fully open position or somewhere in between. Manual operation is available by default.
The electrical solution is suitable for a variety of applications in areas such as power generation, chemicals, petrochemicals, and most other process industries. The sizes are designed for linear valve controls with modulating operation, generally in remote locations such As oil pipelines and gas extraction stations, where the power supply is limited. For the control of control valves is sufficient a single-phase or DC power supply.
The CMA is a low power solution (less than 1 watt in standby) for automation in existing or remote installations such as oil rigs and offshore facilities where there are pneumatic restrictions. The design allows for the provision of solar energy and batteries in remote locations where electrical power is a problem, and power is often provided by solar panels for the operation of remote-controlled, critical systems such as drill heads.
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