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Product Description
Hot Selling High Quality Water Flow Switch for Fire Fighting
The ZSJZ series water flow switch is mainly applied in the sprinkler system. It is the flowing of water that to drive the blade and make the microswitch work by drive group. Thus the flow signal will be switched to electric signal and transmit to alarm center to show the fire position. It was connected with controller to start automatic fire alarm system.
Installation instructions:
1. Trepanning at scheduled position on the horizontal pipe and clean the debris and rubdown the surface around.
2. Make sure that the liquid flow direction in the pipe is the same as the inductor when installing.
3. Make sure that the blade will not touch the wall of pipe and the blade and drive group rotate smoothly.
4. Make sure that the junction box is upright.
5. Pipe length before and after the inductor should not be smaller than five times of its diameter.
Technical parameters:
| Model | ZSJZ(DN50~300) |
| Working Pressure | 1.2 MPa |
| Contact Capacity | AC 220V,5A; DC 24V,3A |
| Working Flow | 15~37.5 L/min |
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