Product Overview The Spirax Sarco SP7 is a smart electro-pneumatic valve positioner that can be configured electronically. It mounts on pneumatic linear or rotary actuators that follow the NAMUR standard. The unit ensures that valve stroke and the incoming mA signal remain exactly proportional. The SP7-1* uses a cast aluminium housing treated for outdoor service. It fits actuators with rotary travel from -57 to +57° or linear travel from -28 to +28°. A mounting kit and
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