Piston Type Typical Piston and Spring Removal

Accumulation of foreign debris should periodically be removed from these flow switches. Gems Sensors' designs provide for easy piston and spring removal for this occasional cleaning. Recommended cleaning procedures are provided in the Instruction Bulletin shipped with each unit. 150 micron filtration is recommended for the FS-150 Series; 100 micron for FS-380, 50 micron filtration is recommended for all other piston type switches.