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ZSFZ wet alarm valve

total supply
100 套
MOQ
1 套
brand
丹特
area
Shanghai
Delivery period:
Shipped within 3 days from the date of payment by the buyer
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Shop information

area:Shanghai

Member level:corporate memberYear1

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Already paid:0.00 yuan deposit

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Shanghai Dent Valve Co., Ltd.

  • name:黄少扬(sir) 销售经理
  • phone:021-51078330
  • mobile phone:13761763365
  • address:南奉公路2125号
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Product Details
材质:
球墨铸铁


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Working principle:

When a fire occurs in the protection area of the automatic sprinkler fire extinguishing system, and the ambient temperature of the fire scene rises, the glass ball on the closed sprinkler head bursts (or the fusible alloy melts), the nozzle is turned on to spray water to extinguish the fire. At this time, due to the drop in water pressure in the pipe network on the outlet side of the wet alarm valve, a pressure difference is formed, the valve disc assembly opens, and the water source water continuously replenishes the pipe network to extinguish the fire. At the same time, the water flow also flows into the delayer through the hole in the sealing ring groove, and is quickly filled, so as to When a certain water pressure hits, the hydraulic alarm bell emits a continuous alarm sound. The pressure switch operates to connect the electrical contacts and connect to the control center to sound and light alarms. At the same time, the main water supply pump is started for fire extinguishing.
. Wet alarm valve: only allows water to flow into the sprinkler system in one direction and alarms at the specified flow rate.
.Delayer: Delays the action time of the hydraulic alarm to reduce false alarms caused by water pressure fluctuations.
.Hydraulic alarm: A water-driven alarm device that makes a sound when the system is started.
.Pressure switch: After the alarm valve operates, the pressure switch operates to connect the electrical contacts.
.Alarm bell valve: It is normally open in the servo state. This valve can be closed only for inspection, maintenance and repair.
. Test alarm valve: Only open this valve during debugging and maintenance to determine the working condition of the system.
. Drain valve: Drain the remaining water in the pipe network behind the valve for maintenance or replacement of nozzles.
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