The Series 1005P1 is a float-actuated pneumatic switch that opens or closes a block-and-bleed, snap-acting valve. This switch can function as either a high- or low-level alarm with pneumatic panels. Model P is the same as Model O, except  that it includes a pneumatic 3-way pilot valve. This version is designed for use with pneumatically operated control valves to control liquids in separators, scrubbers, and other applications Special Feature The three-way pilot valve has a built-in manual override and porting for a piped exhaust. The 1005P1 is very versatile, rugged and reliable: Used as a panel alarm or for control valve operation

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