ROTEX offers a range of Solenoid Valves and Air Operated Valves used for handling almost any fluid with various of temperature, pressure or vacuum for use in Control and Automation applications.
ROTEX limit switches are designed to last and meet your required service conditions. Both the weather proof and explosion proof switches feature an aluminum die cast enclosure that is powder coated for superior corrosion resistance resulting in a weather proof enclosure to IP67. Stainless steel enclosures are available, also confirming to IP67.
Actuators 101: Quarter-turn Pneumatic Actuator TypesPneumatic valve actuators come in two basic types: rack & pinion and scotch-yoke. Both style actuators provide 90 degree rotational torque to drive a quarter-turn valve (ball, plug, butterfly) open or closed.The scotch-yo…Read More
Advanced Scotch Yoke Design Increases Service LifeROTEX recently replaced some old "orange" scotch yoke actuators with the DRS series. The customer is a major international producer and marketer of food and agricultural products. The "orange" actuators were experiencin…Read More
Industrial Valve Limit SwitchesIn industrial valve terms, a limit switch is a device containing one or more magnetic or electrical switches, operated by the rotational or linear movement of the valve actuator. They are used to show the open or closed posit…Read More
Proper Actuator to Valve Torque SizingA quarter turn pneumatic actuator, wether direct acting or spring return, has a given output torque based upon the air supply pressure provided. This output torque can be fairly linear, or very non-linear depending on the sty…Read More
Fire-Safe Scotch-Yoke Actuators with 3 Second OperationCritical Service Valves withROTEX DRS Scotch YokeA Central American power generation company needed 10" and 16", Class 900, triple-offset, critical service butterfly valves to operate flawlessly and quickly in the event of fi…Read More
