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.
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