Flow Switch
In-line Model Q-1

In Line Flow Switch 1/2 Inch

Designed for extreme, long-term reliability.

Detects and signals flow change.

Continuously adjustable while in operation.

6 interchangeable orifices plus 2:1 continuous switch adjustment with each orifice.

Calibrated independent of line pressure and temperature.

Maintains calibration limits when subjected to reasonable line hydraulic hammer or surge pulses.

Super-simple maintenance and checkout for personnel using a standard test meter.

Model Q-1 can also be fitted with a SPDT gold cross-bar switch for computer/PLC interface.

DPDT model available per request.

Flow Range

0.12–8 GPM (0.45– 30.4 L/m)

Working Temp

180˚F (82˚C) Maximum

Working Pressure

300 psig (2,068 kPa)

Process Connection

½" NPT

Electrical Switch

SPDT (single pole double throw) 15A or Dry Circuit

Enclosure

NEMA 4

Uses

In Line Flow Switch 1/2 Inch

Designed for extreme, long-term reliability.

Detects and signals flow change.

Continuously adjustable while in operation.

6 interchangeable orifices plus 2:1 continuous switch adjustment with each orifice.

Calibrated independent of line pressure and temperature.

Maintains calibration limits when subjected to reasonable line hydraulic hammer or surge pulses.

Super-simple maintenance and checkout for personnel using a standard test meter.

Model Q-1 can also be fitted with a SPDT gold cross-bar switch for computer/PLC interface.

DPDT model available per request.

Flow Range

0.12–8 GPM (0.45– 30.4 L/m)

Working Temp

180˚F (82˚C) Maximum

Working Pressure

300 psig (2,068 kPa)

Process Connection

½" NPT

Electrical Switch

SPDT (single pole double throw) 15A or Dry Circuit

Enclosure

NEMA 4

Models

In Line Flow Switch 1/2 Inch

Designed for extreme, long-term reliability.

Detects and signals flow change.

Continuously adjustable while in operation.

6 interchangeable orifices plus 2:1 continuous switch adjustment with each orifice.

Calibrated independent of line pressure and temperature.

Maintains calibration limits when subjected to reasonable line hydraulic hammer or surge pulses.

Super-simple maintenance and checkout for personnel using a standard test meter.

Model Q-1 can also be fitted with a SPDT gold cross-bar switch for computer/PLC interface.

DPDT model available per request.

Flow Range

0.12–8 GPM (0.45– 30.4 L/m)

Working Temp

180˚F (82˚C) Maximum

Working Pressure

300 psig (2,068 kPa)

Process Connection

½" NPT

Electrical Switch

SPDT (single pole double throw) 15A or Dry Circuit

Enclosure

NEMA 4

Specs

In Line Flow Switch 1/2 Inch

Designed for extreme, long-term reliability.

Detects and signals flow change.

Continuously adjustable while in operation.

6 interchangeable orifices plus 2:1 continuous switch adjustment with each orifice.

Calibrated independent of line pressure and temperature.

Maintains calibration limits when subjected to reasonable line hydraulic hammer or surge pulses.

Super-simple maintenance and checkout for personnel using a standard test meter.

Model Q-1 can also be fitted with a SPDT gold cross-bar switch for computer/PLC interface.

DPDT model available per request.

Flow Range

0.12–8 GPM (0.45– 30.4 L/m)

Working Temp

180˚F (82˚C) Maximum

Working Pressure

300 psig (2,068 kPa)

Process Connection

½" NPT

Electrical Switch

SPDT (single pole double throw) 15A or Dry Circuit

Enclosure

NEMA 4

Diagram

In Line Flow Switch 1/2 Inch

Designed for extreme, long-term reliability.

Detects and signals flow change.

Continuously adjustable while in operation.

6 interchangeable orifices plus 2:1 continuous switch adjustment with each orifice.

Calibrated independent of line pressure and temperature.

Maintains calibration limits when subjected to reasonable line hydraulic hammer or surge pulses.

Super-simple maintenance and checkout for personnel using a standard test meter.

Model Q-1 can also be fitted with a SPDT gold cross-bar switch for computer/PLC interface.

DPDT model available per request.

Flow Range

0.12–8 GPM (0.45– 30.4 L/m)

Working Temp

180˚F (82˚C) Maximum

Working Pressure

300 psig (2,068 kPa)

Process Connection

½" NPT

Electrical Switch

SPDT (single pole double throw) 15A or Dry Circuit

Enclosure

NEMA 4