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Designed and developed specifically for quarter turn valves.The ACHEM ASD Spring-Diaphragm Rotary Actuators were designed by using advanced,spring-diaphragm technology that focuses on the crank-shaft and the connecting rod.
The ACHEM ASD Spring-Diaphragm Rotary Actuators are designed to be used with minimal pressures when necessary and can be operated by air, gas, water, oil or other supply media. Our housing and cover are constructed with a ductile iron / carbon steel casing that is coated with a polyester powder coating. Our independent media room is equipped with a Buna-N diaphragm reinforced with polyamine fabric. These actuators are designed to work in temperatures as low as -40棨-40 H and as high as 200棨392 H.


Universal Mounting Pads C Direct Mount
The ACHEM ASD series offer a combination of different mounting pads that allow you to directly replace existing Spring-Diaphragm Actuator or mount directly to new and existing quarter turn valves.
Namur Mount
The ACHEM ASD Spring-Diaphragm Rotary Actuators are designed to incorporate namur mounting for solenoids, limit switches and positioners.
Multiple Drive Bushing (Removable & Replaceable)
The ACHEM ASD Spring-Diaphragm Rotary Actuators features removable drive bushings which allows you to mount our actuators to a number of different new or existing valve stem configurations in the field for existing valves or for new valve applications.

Output Torques

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