Dwyer Series P8 High-Pressure Brass Flow Switches are ideal for high in-line pressures. Set points range from 0.25 to 2.0 GPM for liquid flow.
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.
Dwyer Series P8 Features
- Integrates a one-piece magnetic PPS composite piston to handle pressure up to 1500 psi
- Less susceptible to clogging than other high in-line pressure switches with 100-micron filtration
Application
- Industrial cleaning equipment
- High-pressure lubrication systems
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Specification
| Service | Compatible liquids. |
| Wetted Materials | Housing: Brass; Piston: PPS composite, epoxy; Spring: 316 SS; O-ring: Flourocarbon. |
| Temperature Limits | -20 to 275°F (-28 to 135°C). |
| Pressure Limits | 1500 psi (103.4 bar). |
| Accuracy | ±20% of set point. |
| Switch Type | SPST, NO. |
| Electrical Rating | 17 A @ 120 VAC, .08 A @ 240 VAC, .13 A @ 120 VDC, .06 A @ 240 VDC. |
| Electrical Connection | No. 22 AWG, 24″ (61 cm) polymeric leads. |
| Process Connections | 3/8″ male NPT. |
| Mounting Orientation | Any position. Set points shown are based on vertical, inlet down position. |
| Required Filtration | 100 microns or better. |
| Weight | 6 oz (.17 kg). |
| Agency Approval | CE. |
Download Data Sheet: Series P8 Piston High Pressure Brass Flow Switch
Ref: dwyer-inst.com