Fire Sprinkler Manufacturers

ZSFZ150 (Groove type) DN150 Wet Alarm Valve

Groove Installation Wet Fire Fighting System Wet Alarm Valve, model is ZSFZ150 (DN150).
  • Brand:

    GBOCO or Guangbo
  • Item no.:

    ZSFZ150 (Groove)
  • Payment:

    T/T, Chinese Agent Transfer RMB, Cash Payment
  • Product origin:

    Fujian, China
  • Color:

    Usually is Red, Popular sell in China
  • Goods stock:

    200
  • Min order:

    10
  • Shipping port:

    Xiamen-Fujian, Or Other Seaport in China
  • Lead Time:

    7-15 days
  • Product Details

The pipe network of the system is filled with a certain pressure of clean water all year round, and it is in a working state for a long time. When a fire occurs somewhere in the protection area, the ambient temperature in the area rises. The organic matter in the heat sensitive element (glass ball) of the sprinkler The solution thermally expands and generates a great amount of internal pressure until the glass ball shell breaks, which opens the sprinkler head and sprays water, and automatically starts the entire system to emit an audible and visual alarm signal to achieve the purpose of fire alarm, fire control and fire suppression.

Wet Fire Fighting System Wet Alarm Valve, model is ZSFZ150 (DN150), please see bellow sheet about details.


Wet Alarm Valve Model ZSFZ 100 ZSFZ 150 (G) ZSFZ 200 ZSFZ 250
Nominal Diameter 1.6 1.6 1.6 1.6
Sealing Pressure 3.2 3.2 3.2 3.2
Intensity pressure 6.4 6.4 6.4 6.4

Environmental conditions from 4ºC until 70ºC
Storage environment requirements from -10ºC until +40ºC
Storage environment It should be stored in a ventilated and dry warehouse, avoiding storage with corrosive substances
Product performance standards GB5135.2-2003 Automatic sprinkler system Part 2: Wet alarm valve, delay device, hydraulic alarm bell
Connection method Flanged
Hydraulic friction When the flow rate is 4.5m/s, Hydraulic friction<0.04MPa





Wet Alarm Valve (Flange Type)




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Our company provides technical support for who use our Firefighting products. Please contact the technical department of our company, if any problem in the procurement, installation, use and maintenance process, our technical staff will immediately provide related technical support.








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