Working principle:
1. Concealed fire sprinkler head, the main medium is water, in order to protect the performance of the sprinkler head, the inlet of the sprinkler head can be equipped with a filter. 2. Concealed firefighting sprinklers, if the firefighting sprinklers extinguish liquid fires, water foam can be added to the water to improve the fire extinguishing effect. 3. Concealed fire sprinklers, fire sprinklers should be inspected at least quarterly after installation, and the dirt on the filter cover should be removed and washed. If the water quality is turbid and there are debris, it should be removed and washed once a month to ensure smooth water flow.MODEL | Nominal Diameter | Thread | Flow Rate | K Factor | Style |
ZSTDY | DN15 | R1/2 | 80±4 | 5.6 | concealed fire sprinkler |
DN20 | R3/4 | 115±6 | 8.0 |