Explosion proof waterflow detector is a vane type waterflow switch for use on wet sprinkler system located in hazardous locations. When water movement deflects the vane inserted in waterway, and the motion is transmitted to an alarm-actuating switch after a predetermined time delay.
Available size
Compatible steel pipe
Connection
Working pressure (psi)
Ref. No.
Pipe 2″ / DN50
U-bolt
300 / 450
V8901
Pipe 2-1/2″ / DN65
U-bolt
300 / 450
V8902
Pipe 3″ / DN80
U-bolt
300 / 450
V8903
Pipe 4″ / DN100
U-bolt
300 / 450
V8904
Pipe 5″ / DN125
U-bolt
300 / 450
V8905
Pipe 6″ / DN150
U-bolt
300 / 450
V8906
Pipe 8″ / DN200
U-bolt
300 / 450
V8907
Note: For hazardous atmosphere classification, it includes different groups of Class I, II, III. Please contact TPMC for details.