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Home Construction Machinery Other Construction Machinery Shenzhen Winan Industrial Development Co., Ltd. Fire ZSFZ series wet alarm valve 1.2MPa or 1.6MPa alarm valve
Fire ZSFZ series wet alarm valve 1.2MPa or 1.6MPa alarm valve

Fire ZSFZ series wet alarm valve 1.2MPa or 1.6MPa alarm valve

FOB:  USD 10 - 145 Piece(s)
Model: ZSFZ
MOQ: 1 Piece(s)
Production Time: 15 days
Terms of Payment: T/T,L/C,D/A
Sample: Charge
Main Port of Export: shenzhen
Shenzhen Winan Industrial Development Co., Ltd.

Shenzhen Winan Industrial Development Co., Ltd.

China 1995
Type of Supplier:

Manufacturer

Address:
Shenzhen, Guangdong, China, East Asia
Product Details

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Fire ZSFZ series wet alarm valve 1.2MPa or 1.6MPa alarm valve

Product Description

Fire ZSFZ series wet alarm valve 1.2MPa or 1.6MPa alarm valve

The ZSFZ series wet alarmvalve is a checkvalve that only allows water flows unidirectionally and drive the matchingpart to alarm at prescribed pressureand flow. It constitutes the sprinkler system with water flow inductor,pressure switch and sprinklers. This valve is dividedinto two sides by a valve flap. The above side is connected with system pipeline ant the underside is connected with watersupply. The valve flap will open only when the pressure betweenthe two parts reach a certain level.

Working Principle:

The alarm valve is always on aset condition the systemside is full of pressurized water. The heat sensitive component on the sprinkler will blast and spray automatically when there is fire somewhere. Thus the pressure at system side will reduce and thenvalve flap opens because of pressure difference. One hand the water supplied to system side, on the other hand a small part of water flows to delayer and reach water motor alarm finally to make it alarm.The pressure switch turns pressure signal to electricsignal and start fire pump and auxiliary fire-fighting equipments to

put out the fire. Waterflow inductor will also work and show the positionof fire.

Model

ZSFZ-100

ZSFZ-150

ZSFZ-200

ZSFZ-250

Nominal Diameter

100

150

200

250

Seal Test (MPa)

2.5

3.2



Strength Test (MPa)

4.8

6.4



Rated Working Pressure (MPa)

1.2

1.6



Delay Time (s)

5<t<90




Alarm Flow Rate (L/min)

15<Q<60




Water Frictional Drag (MPa)

                                                                       <0.02

 





Pressure Switch:

Pressure switch turns the pressure of water into electrical signal and it wasinstalled above the delayer. When the system is started,pressure in the alarm pipelinereaches the motionlevel of the switch and thecontact will close or open, turning water pressure into electrical signal.

Alarm Bell:

The alarm bell onthis valve is a water drive one. There is no spark while it is working,which can applied in explosionproof occasions. It is mainly composed of body, impeller, clapper and bell cover. When water flows into outlet of the alarm bell and propel impeller and driveclapper to rotatewith the pressure of water.In that case the alarm bell rings.

Delayer:

The delayer is a cylindrical water storage tank that with inlet and outlet.Because that the pressure of system side will fluctuate that the valve flap will open at a moment but will close rightaway. In order that the water motor alarmbell makes misinformation, the delayer store the water to buffer time.

Fire ZSFZ series wet alarm valve 1.2MPa or 1.6MPa alarm valve


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