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Pneumatic positioner SA/CL, SA/CL-EPlinearcam
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Characteristics
- Type
- pneumatic
- Orientation
- linear
- Technology
- cam
Description
The SA/CL positioner is formed by:
• a diaphragm on which the pneumatic control signal operates;
• a feed-back spring;
• a double acting spool valve connected to the diaphragm by rod.
Control pressure, operating on diaphragm, opposes to the spring, causing spool valve to displace and, consequently, the cylinder stem to be actuated.
The stem displacement is transmitted to the feed-back spring through cam and lever.
Therefore the actuator stem is a stable position only when the feed-back spring balances exactly the force generated by the pneumatic signal on the diaphragm and spool valve is in a neutral position.
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.