Piston Flow Switch Liquid / Water / Oil or Gas / Air - Brass - 1700 Series

Standard flow calibration is in water @ 70°F with lead wires up. Calibrated on increasing flow. Temperature effect on flow settings: water calibration, slight change; oil varies with viscosity; gas, slight change. Set point accuracy will change slightly in other than calibrated position. Model 1600 is UL recognized with a SPST reed switch rated pilot duty 20 VA 120- 240 VAC, 174° F. Relays for higher loads, junction boxes, terminal strips, etc. are available. See accessories section for details Also available: leads in different lengths, cable, terminated ends, etc. Consult factory. Optional 3 Pin M/S connector – MS3102E10S-3P. Consult factory. High-temperature units available to 400°F. Consult factory. Standard flow settings are calibrated in water. Other set points in water or oil are available. Consult factory. Optional air set points for Model 1600 are available. Consult factory with CFM and line pressure. Optional air set points for Model 1700 Series Liquid or Gas Piston Flow Switch are available. Consult factory with CFH and line pressure. Other wetted materials: Hysol epoxy. Model 1700 orifice dia. is 5/16″; inlet fitting supplied by customer must be 3/8″ I.D. minimum. All SST piston eliminating epoxy is available. Consult factory. Polysulfone for water in brass housing. Brass for oil in brass housing. SST for SST housing. Calibration: Flow stands are calibrated to the National Bureau of Standards and Thomas Products Ltd. recalibration schedule.