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Industrial Valve Assemblies Using ROTEX Actuators

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ROTEX Controls manufactures high quality pneumatic valve actuators, limit switches and solenoid valves used on industrial valves and dampers.This video demonstrates some of the ways ROTEX actuators are mounted and assembled to valves along with limit switches and solenoids.For more information, contact:ROTEX...

Valve Selection - Gate Valves

Fluid flow control in industrial processes is most often accomplished through the use of valves installed at specific locations in the piping system to start, stop, throttle, or divert the fluid flow....

ROTEX Pneumatic Valve Actuator Introduction

Here is a movie/slideshow introducing the ROTEX family of pneumatic valve actuators. The movie includes the ECV "Infinity line of rack and pinion actuators, the DRS scotch yoke series and the DRC and DRV large scale rack and pinion series.Unique design and high performance features are explained and...

Intro to ROTEX Solenoids, Valve Actuators and Limit Switches

Introduction of ROTEX Controls product line of solenoid valves, Infinity ECV line of rack and pinion actuators, DRS and DRV scotch yoke actuators, and HYV hydraulic actuators and limits switches.ROTEX offers a range of Solenoid Valves and Air Operated Valves used for handling almost any fluid with...

Assembly Animation of ROTEX Rack & Pinion Actuators

Here is a good animation detailing the primary components and construction of the ROTEX ECV pneumatic valve actuator:ROTEX ECV actuators distinguish themselves from other rack and pinion manufacturers by offering the following advanced features:Self energizing V-Seal piston ringsDouble rack & pinionHigh...

Advanced Design Considerations for Best-in-Class Scotch Yoke Actuators

Evaluating the design features of a Best-in-Class scotch-yoke pneumatic actuator, for example the Rotex Controls DRS.Actuator ModularityActuator spring modules and pneumatic modules should be able to...

Actuators 101: Quarter-turn Pneumatic Actuator Types

Pneumatic 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...

Fire-Safe Scotch-Yoke Actuators with 3 Second Operation

Critical 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...

Proper Actuator to Valve Torque Sizing

A 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...

What are NAMUR Mount and Pipe Mounted Solenoid Valve Mounting Styles?

NAMUR Mount SolenoidWhen selecting a solenoid valve for valve automation, the preferred mounting method needs to be considered. The two most common choices available are "NAMUR" mount and "PIPE" mount.NAMUR...

Industrial Valve Limit Switches

In 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...

Advanced Scotch Yoke Design Increases Service Life

ROTEX 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...

What is a Rack & Pinion Actuator?

According to Wikipedia, "A rack and pinion is a type of linear actuator that comprises a pair of gears which convert rotational motion into linear motion. A circular gear called "the pinion" engages teeth...

What is a Scotch Yoke Pneumatic Valve Actuator?

According to Wikipedia, "The Scotch yoke is a mechanism for converting the linear motion of a slider into rotational motion or vice-versa. The piston or other reciprocating part is directly coupled...

Critical Service, Triple Off-Set Metal Seated Butterfly Valves with ASME Supply Tank, Fusable Links and Manual Hydraulic Over-Ride

16" & 10 " Triple Off-set Valves automated block valves. These are pneumatically operated valves with ASME air tanks for fail close operation on loss of electrical signal. Also included are manual hydraulic over-ride cylinders and spring loaded 3-way diverter valves with "fusible links.After installation...

Gas Over Oil Actuators for High Pressure Gas Lines

Gas Over Oil ActuatorGas Over Oil actuators are used on gas transmission lines where there is sour gas (Hydrogen Sulphide) present. Because of the lack of electricity or other energy sources in remote...

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