High Quality Wet Alarm Check Valve for Fire Fighting

Basic Info.

Model NO.	ZSFZ
Closed Fire Sprinkler System	Wet Fire Sprinkler System
Wet Alarm Valve Structure	Seat Type
Alarm Valve Diameter	80mm-250mm
Working Pressure	1.6MPa
Accessories	Retard Chamber, Water Motor Gong, etc.
Connection	Flange
Size	3"/4"/5"/6"/8"/10"
Finished	Red Painting
Transport Package	Standard Export Package
Specification	3"-10"
Trademark	SINCO/OEM
Origin	Quanzhou, Fujian
HS Code	8481804090
Production Capacity	5000 Sets/Month

Packaging & Delivery

Package Size 57.00cm * 36.00cm * 26.00cm Package Gross Weight 21.000kg

Product Description

High Quality Wet Alarm Check Valve for Fire Fighting
IntroductionAlarm 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.FeatureStandard: ANSI/ BS/ GBConnection: Flanged as ANSI B16.1/ EN 1092-2Installation: VerticalTest: Factory hydro test 350 psi (2.4 MPa)Temperature: 4°C to 70°CW. pressure: 175/ 300 psi (1.21/ 2.07 MPa)Surface: FBE coating as AWWA C550Main Parts

Body	Ductile Iron	Cover	Ductile iron
Disc	Ductile iron / brass + EPDM	Stem	SS304/galvanized pipe
Seat	Bronze/Cast iron	Accessories	Standard trim & accessories, Retard chamber,Alarm pressure switch, Water motor gong, etc.

Technical parameters:

Model	ZSFZ80	ZSFZ100	ZSFZ125	ZSFZ150	ZSFZ200	ZSFZ250
Norminial diameter(mm)	80	100	125	150	200	250
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)	250	260	265	270	370	430
Outside diameter of flange(mm)	200	220	250	285	340	405
Inside diameter of flange screw hole(mm)	160	180	210	240	295	355
Diameter of screw hole(mm)	8				12
Quantity of screw hole	18			22		26

Wet alarm check valve structure

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.


Other Firefighting Equipment

FAQ1. 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.