Dwyer Series P3 Polypropylene Flow Switches fit almost any piping requirements with compatible liquids. Choose the inlet and outlet port to be 3/8″ male NPT or 1/4″ male “Quick Disconnect” then select a quick disconnect acetal adapter for straight-through flow or with a shut-off valve.
Flow Switches come as paddle, thermal, piezo, and shuttle/piston. Flow Switch Sensors with an electrical contact output at a specific flow rate have different types of switches, which are a paddle, thermal, piezo, and shuttle/piston.
Shuttle or piston flow switches are sensors with an electrical contact output at a specific flow rate. Models are used with oil, air, water and gases. Applications include oil flow control, low flow detection in cooling lines, and high pressure lubrication systems. Rugged construction and excellent chemical compatibility simplify flow/no flow detection.
The Series P3 Polypropylene Flow Switches fit almost any piping requirements with compatible liquids. Choose the inlet and outlet port to be 3/8″ male NPT or 1/4″ male “Quick Disconnect” then select a quick disconnect acetal adapter for straight-through flow or with a shut-off valve.
Dwyer Series P3 Features
- Piston design incorporates a hermetically sealed SPST magnetic reed switch
- Easy integration to existing piping with a variety of fitting options
- Selectable shut off valve will stop line flow when the adapter is removed from the switch
- Economical design
Application
- Pure water equipment
- Filter life monitoring
- Heat exchangers
- Cooling applications
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Dwyer Series P3 Specification
| Service | Compatible liquids. |
| Wetted Materials | Housing: Polypropylene; Piston: PPS composite; Spring: 316SS; O-ring: Fluorocarbon. |
| Temperature Limits | 0 to 212°F (-18 to 100°C). |
| Pressure Limits | 125 psig (8.6 bar) @ 70°F (21°C); 50 psig (3.4 bar) @ 212°F (100°C). |
| Accuracy | 20% of set point. |
| Switch Type | SPST, N.O. |
| Electrical Rating | 08 A @ 120 VAC. |
| Electrical Connection | 24″ (60.96 cm) polymeric wire leads, 22 AWG. |
| Process Connection | 3/8″ male NPT or 1/4″ quick disconnect. |
| Mounting Orientation | Any position. Set points shown are based on vertical, inlet down position. |
| Required Filtration | 100 microns or better. |
| Weight | 5 oz (0.14 kg). |
| Agency Approval | CE. |
Download Data Sheet: Series P3 Polypropylene Piston Flow Switch
Ref: dwyer-inst.com