Flow Switches
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There are 15 products.
VSR Flow Switch Series
Vane Type Waterflow Alarm Switch With Retard
The Model VSR is a vane type waterflow switch with non-corrosive insert for use on wet sprinkler systems. It is UL Listed and FM Approved for use on steel pipe; schedules 10 through 40, sizes 2" through to 8" (50 mm through to 200 mm) and schedule 5, sizes 2" through to 6". LPC approved sizes are 2" through to 8" (50 mm through to 200 mm). See Ordering Information chart.
The VSR may also be used as a sectional waterflow detector on large systems. The VSR contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.
25Nb - 50Nb Weflo Flow Switch c/w Retard
VMSWFS2550WR
The Weflo UL / FM Waterflow Detectors are a Vane Type design used in fire protection piping systems. The Flow Switch is designed for both indoor...
50Nb Weflo Flow Switch
VMSWFS50
The Weflo UL / FM Waterflow Detectors are a Vane Type design used in fire protection piping systems. The Flow Switch is designed for both indoor...
65Nb Weflo Flow Switch
VMSWFS65
The Weflo UL / FM Waterflow Detectors are a Vane Type design used in fire protection piping systems. The Flow Switch is designed for both indoor...
80Nb Weflo Flow Switch
VMSWFS80
The Weflo UL / FM Waterflow Detectors are a Vane Type design used in fire protection piping systems. The Flow Switch is designed for both indoor...
100Nb Weflo Flow Switch
VMSWFS100
The Weflo UL / FM Waterflow Detectors are a Vane Type design used in fire protection piping systems. The Flow Switch is designed for both indoor...
150Nb Weflo Flow Switch
VMSWFS150
The Weflo UL / FM Waterflow Detectors are a Vane Type design used in fire protection piping systems. The Flow Switch is designed for both indoor...
200Nb Weflo Flow Switch
VMSWFS200
The Weflo UL / FM Waterflow Detectors are a Vane Type design used in fire protection piping systems. The Flow Switch is designed for both indoor...
Weflo Time Delay Pressure Switch c/w Retard
VMSWWFSRPS
The Weflo UL / FM Pressure Switches (WPS Series) are used in wet, dry, deluge, or pre-action automatic sprinkler systems. They are designed for...
