Luoke Valve (Chongqing) Co., Ltd.
Luoke Valve (Chongqing) Co., Ltd.
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Automatic Spraying ZSFZ Wet Alarm Valve
I. Overview
The wet alarm valve is connected with the delayer, hydraulic alarm bell, sprinkler head, fire water supply system, etc. to form an automatic sprinkler system. It is an important alarm control valve in the automatic sprinkler system.
2.Main overall dimensions
| DN | D | K | n-Φ | d | f | c | l |
| DN100 | 220 | 180 | 8-Φ19 | 156 | 2.5 | 19 | 239 |
| DN125 | 250 | 210 | 8-Φ19 | 184 | 2.5 | 19 | 242 |
| DN150 | 285 | 240 | 8-Φ23 | 211 | 2.5 | 19 | 317 |
3. Use and maintenance
Fire gate valves are often used in automatic sprinkler fire pipeline systems, rotating handwheels to control the opening and closing of water sources in water supply pipelines.
4. Installation:
(1) Handwheels, handles and transmission mechanisms are not allowed to be used for lifting, and collisions are strictly prohibited.
(2) Before installation, check whether the product model, tag and specification are consistent, and check whether the parts of the whole machine are defective and loose.
(3) Before installation, the pipeline should be cleaned, and there should be enough straight pipe section at the valve inlet, and equipped with a filter.
(4) The installation site should consider the comprehensive personnel and equipment, even if it is operated, it is conducive to disassembly and maintenance.
(5) The signal box is connected to the fire protection system circuit.