Dwyer Instruments SERIES P8 Catalog Page

1/4 NPT

1/2

[12.7]

4-1/8 [104.78]

3/8 NPT

SERIES P8

HIGH PRESSURE BRASS FLOW SWITCH

Shuttle/Piston

Flow Switches,

Up to 1500 psi, Fixed Set point, Up to 2.0 GPM, Rugged Brass Body

TYP

3-29/64

[87.71]

1-9/64
[28.97]

3/4 HEX
[19.05]

The Series P8 High Pressure Brass Flow Switch is ideal for high in-line pressures.

Set points range from 0.25 to 2.0 GPM for liquid ow.

FEATURES/BENEFITS

• 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 ltration

APPLICATIONS

• Industrial cleaning equipment

• High pressure lubrication systems

MODEL CHART
Model Actuation Set Point GPM (LPM)
P8-11
P8-12
P8-13
P8-14
P8-15

DWYER INSTRUMENTS, INC.

278

0.25 (.95)

0.50 (1.89)

1.0 (3.79)

1.5 (5.68)

2.0 (7.57)

SPECIFICATIONS
Service: Compatible liquids.
Wetted Materials: Housing: Brass; Piston: PPS composite, epoxy; Spring: 316 SS;

O-ring: Fluorocarbon.

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 Approvals: CE.

USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov