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The 373-P21 pneumatic linear actuator is suited for valve sizes from DN15 to DN125 and can be sized to meet your requirements based on process flows and pressures. With an array of spring count options and two different failure positions, you can configure one that meets your needs.
373-P21 Pneumatic Linear Actuators
Unit of Measure
1 

Item #

Yoke Type

Fail Method

373-P21-3-FO N/A S21 N/A Fail Open
373-P21-6-FO N/A S21 N/A Fail Open
373-P21-12-FO N/A S21 N/A Fail Open
373-P21-18-FO N/A S21 N/A Fail Open
373-P21-V6-FO N/A S21 N/A Fail Open
373-P21-3-FU N/A S21 N/A Fail Closed
373-P21-6-FU N/A S21 N/A Fail Closed
373-P21-12-FU N/A S21 N/A Fail Closed
373-P21-18-FU N/A S21 N/A Fail Closed
373-P21-V6-FU N/A S21 N/A Fail Closed
Unit of Measure
1