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Instrumentation & Valves

RTQ - Scotch yoke pneumatic actuator

Update Terakhir
:
01 / 12 / 2019
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1 Buah
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80 kali

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Detail RTQ - Scotch Yoke Pneumatic Actuator

RTQ - Scotch yoke pneumatic actuator

 
 
 

DESCRIPTION

RTQ single/double acting pneumatic low-pressure actuators, are suitable for the operation of quarter turn valves (ball valves, butterfly valves and plug valves) for on-off and modulating heavy-duty service.
The actuator is made up of a waterproof scotch yoke mechanism transforming the linear movement of the pneumatic cylinder (on closing or opening) into the rotary movement, which is necessary for valve operation.
The travel stroke of the yoke is adjustable between -4 deg/+4 deg at both ends by mean of the external mechanical stops arranged into the side-wall of the mechanism body and into the end flange of the pneumatic cylinder.
Scotch yoke mechanism centerbody cover is machined to provide the assembly pattern for any required accessories (for example positioner, signaling limit swiches, etc.) by mean of proper matching units. The above mentioned accessories are operated by the actuator drive sleeve.
Actuator centerbody bottom wall is machined with threaded holes to allow actuator mounting on top of valve top-work either directly or, when required, with the interposition of an adaptor flange or a mounting bracket.

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