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High Quality Wet Alarm Check Valve for Fire Fighting

China High Quality Wet Alarm Check Valve for Fire Fighting, Find details about China Fire Alarm Valve, Alarm Check Valve from High Quality Wet Alarm Check Valve for Fire Fighting

Model NO.
ZSFZ
Finished
Red Painting
Size
3"/4"/5"/6"/8"/10"
Working Pressure
1.6MPa
Connection
Flange
Accessories
Retard Chamber, Water Motor Gong, etc.
Trademark
SINCO/OEM
Transport Package
Standard Export Package
Specification
3"-10"
Origin
Quanzhou, Fujian
HS Code
8481804090
Model NO.
ZSFZ
Finished
Red Painting
Size
3"/4"/5"/6"/8"/10"
Working Pressure
1.6MPa
Connection
Flange
Accessories
Retard Chamber, Water Motor Gong, etc.
Trademark
SINCO/OEM
Transport Package
Standard Export Package
Specification
3"-10"
Origin
Quanzhou, Fujian
HS Code
8481804090
High Quality Wet Alarm Check Valve for Fire Fighting
Introduction
Alarm Check Valve is core element in wet pipe fire sprinkler systems. It serves a dual purpose which prevents a reverse flow of water (non-return), also provides for the use of the water motor gong. Meanwhile, in the event of variable pressure condition, false alarm is prevented with provision of retard chamber at the external bypass.

Feature
Standard: ANSI/ BS/ GB
Connection: Flanged as ANSI B16.1/ EN 1092-2
Installation: Vertical
Test: Factory hydro test 350 psi (2.4 MPa)
Temperature: 4°C to 70°C
W. pressure: 175/ 300 psi (1.21/ 2.07 MPa)
Surface: FBE coating as AWWA C550

Main Parts
BodyDuctile IronCoverDuctile iron
DiscDuctile iron / brass + EPDMStemSS304/galvanized pipe
SeatBronze/Cast ironAccessoriesStandard trim & accessories, Retard chamber,
Alarm pressure switch, Water motor gong, etc.

Technical parameters:
ModelZSFZ80ZSFZ100ZSFZ125ZSFZ150ZSFZ200ZSFZ250
Norminial diameter(mm)80100125150200250
Working pressure(Mpa)1.6Mpa
Sealed test(Mpa)3.2Mpa
Strength test(Mpa)6.4Mpa
Flow rate(L/min)15<Q<60
Retard alarm time(s)5~90
Friction resistance(Mpa)≤0.035
Height of alarm valve(mm)250260265270370430
Outside diameter of flange(mm)200220250285340405
Inside diameter of flange screw hole(mm)160180210240295355
Diameter of screw hole(mm)812
Quantity of screw hole182226

Wet alarm check valve structure
High Quality Wet Alarm Check Valve for Fire Fighting
High Quality Wet Alarm Check Valve for Fire FightingHigh Quality Wet Alarm Check Valve for Fire FightingHigh Quality Wet Alarm Check Valve for Fire FightingHigh Quality Wet Alarm Check Valve for Fire FightingHigh Quality Wet Alarm Check Valve for Fire FightingHigh Quality Wet Alarm Check Valve for Fire Fighting
Our Company
We could supply fire hose, fire hose fittings, spray nozzle, coupling, automatic fire sprinkler system products, gate valves, check valves, ball valves, etc. All these products strictly confirming to JIS, API ans BS standards. All of our products comply with international quality standards and are greatly appreciate in avariety of markets around world. Our factory is covering an area of 15900 square meters, we now over 300 workers. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarteen total customer satisfaction. As a result of our high quality products and outstanding customer service, we have gained a globe sales network reaching the North America, South America, Mideast, Southeast Asia, East Europe, etc. 
High Quality Wet Alarm Check Valve for Fire Fighting
High Quality Wet Alarm Check Valve for Fire Fighting

Other Firefighting EquipmentHigh Quality Wet Alarm Check Valve for Fire Fighting

FAQ
1. Could you supply the samples?
Free samples always ready if the value is within our purview.

2.Do you have the MOQ?
For conventional products, Low MOQ.

3. Can you add some logo on the products?
Yes. We could OEM and design your logo.

4. Are you able to design or explore a new products for us?
Yes, we are able to, if the clients could supply the drawings or samples.

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