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Dywer Series P1 Explosion-Proof Brass Flow Switch

Fixed Setpoints, Flow Rates from 0.10 to 1.5 GPM

The Series P1 Brass Flow Switch utilizes a piston-type design for accurate detection of excessive or insufficient flow rates.The piston magnetically actuates a hermetically sealed SPDT reed switch. The switches have preset actuation points from 0.10 to 1.5 GPM for liquid flow. The Series P1 is ideal for protecting against loss of fluid flow in hydraulic systems or assuring proper coolant flow in semiconductor processing.

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Service: Water.
Wetted Materials: Housing: brass; Piston: polysulfone; Spring: 316SS; O-Ring: Viton®, Other: Epoxy.
Temperature Limits: -20 to 225°F (-29 to 107°C).
Pressure Limits: 1000 psig.
Accuracy: ±10% of set point.
Repeatability: ±1%.
Switch Type: SPDT.
Electrical Rating: 20VA.
Electrical Connection: 18 AWG, 24" Polymeric lead wires.
Process Connection: 1/4" female NPT.
Mounting Orientation: Any.
Required Filtration: 50 microns or better.
Weight: 0.66 lb (301 g).
Popular Models
Model Number Set Point
 P1-011  0.10 GPM
 P1-012  0.25 GPM
 P1-013  0.50 GPM
 P1-014  0.75 GPM
 P1-015  1.00 GPM
 P1-016  1.50 GPM
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