Potter Datasheets

Explosion Proof Devices 

OSYS - U - EX - Explosion Proof OS & Y Switch - Universal 
PS10 - EX - Explosion Proof pressure switches 
PS40 - EX - Explosion Proof presure switches 
VSR - FEX - Explosion proof vane type waterflow switch

Flow Switch 

VSR - Waterflow alarm switch 
VSR - 10 - Waterflow alarm switch 
VSR - FE - 2 - Waterflow alarm switch with electronic retard 
WFSR - F - Pressure activated waterflow alarm switch with retard  

Pressure Switches & Peripherals 

ADPS - Adjustable deadband pressure switch
PS10 series - Pressure type waterflow alarm/supervisory switch 
PS120 series - High / Low pressure switch 
PS40 series - High / Low pressure switch

Tamper / Supervisory

OSYSU 1&2 - Outside screw & yoke valve supervisory switch
PCVS 1&2 - PIV and butterfly control valve supervisory switch 
PTS - C - Plug type supervisory switch 
RBVS - Retrofit ball valve switch