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Dwyer Series P2 Noryl® Flow Switch

Ideal for Air and Post-Filtered Water Applications, Fixed Set Point, FDA and NSF Compliant
The compact Series P2 Noryl® Flow Switch utilizes a piston-type design for both air and pure water applications. The switches have preset actuation points from 0.05 to 1.0 GPM for water and 25 CFH to 5 CFM for air. The piston design incorporates a hermetically sealed SPST magnetic reed switch. The P2 is comprised of Noryl® housing and piston and 316 Stainless Steel spring and stop pin. All wetted parts are FDA and NSF compliant. Economical and superior design make this an excellent switch for pure water equipment, filter life monitoring, heat exchanges, and cooling applications. See Dimensions
Service: Compatible liquids or gases.
Wetted Materials: Housing: Noryl®; Piston: Noryl® and epoxy; Spring and Stop Pin: 316 SS.
Temperature Limit: 0 to 212°F (18 to 100°C).
Pressure Limits: 150 psi (10.3 bar) @ 70°F (21°C); 50 psi (3.4 bar) @ 212°F (100°C).
Switch Type: SPST, N.O.
Electrical Rating: 20VA.
Electrical Connection: 22 AWG, 18" (45.7 cm), PVC lead wires.
Process Connection: 1/4" male NPT.
Mounting Orientation: Any.
Required Filtration: 50 microns or better.
Weight: 2 oz (.06 kg).
Popular Models
Model Number Set Point
 P2-11  .05 GPM
 P2-12  .25 GPM
 P2-13  .5 GPM
 P2-14  1 GPM
 P2-15  25 CFH @ 5 psi
 P2-16  1 CFM @ 5 psi
 P2-17  2.5 SCFM @ 5 psi
 P2-18  5 CFM @ 5 psi