Fire Alarm Check Valve for Fire Fighting Sprinkler System

Product Description

Product DescriptionZSFZ Model Wet Alarm Check Valves
The ZSFZ Model Alarm Check Valves are designed for use in applications where the temperature is maintained above freezing and intended for use in wet pipe (automatic sprinkler) fire protection systems. They are installed vertically,and they are designed to automatically actuate electric and/or hydraulic alarms when there is a steady flow of water into the system that is equivalent to the discharge rate of one or more sprinklers.SpecificationZSFZ series Alarm Check Valve
Features:
Ductile Iron body
Galvanized pipe line
Carbon Steel Retard Chamber
Carbon SteelWater Motor Gong

Specification
Model	ZSFZ80	ZSFZ100	ZSFZ125	ZSFZ150	ZSFZ200	ZSFZ250
Size	3"/DN80	4"/DN100	5"/DN125	6"/DN150	8"DN200	10/DN250
Connection	Flange @ BS4504
Working Pressure	PN16/16bar
Testing Pressure	32 bar
Flow Switch	DC 24V.0.5

Part Number	Part Name		Matrial
1	Pressure Switch		Assembly
2	Pressure Gauge		Assembly
3	Check Valve Body		Ductile Iron
4	Pressure Gauge		Assembly
5	Alarm Gong		Carbon Steel
6	Retard Chamber		Carbon Steel
7	Alarm Test Valve		Brass
8	Y-strainer		Brass
9	Pressure Relief Orifice		Plastic

Part Number	Part Name		Material
10	Tee		Galvanized steel
11	Alarm Ball Valve		Brass
12	90° Elbow		Galvanized steel
13	System Drain Valve		Brass
14	Union		Galvanized steel
15	Pipe		Galvanized steel

ZSFZ_S series Alarm Check Valve
Features:
Ductile Iron body
SS304 pipe line
SS304 Retard Chamber
SS304 Water Motor Gong
All new layout of the pipe line,more compact

Specification
Model	ZSFZ80S	ZSFZ100S	ZSFZ125S	ZSFZ150S	ZSFZ200S	ZSFZ250S
Size	3"/DN80	4"/DN100	5"/DN125	6"/DN150	8"DN200	10/DN250
Connection	Flange @ BS4504 is standard (ANSI150 is available)
Working Pressure	PN16/16bar
Testing Pressure	32 bar
Flow Switch	DC 24V,0.5A

Packaging & Shipping
Order Information
Dear Customer,
Before ordering, please contact with our sales team to discuss order information.
If you have any other requirements or wanna know more info about our products, welcome to contact as well. Our Sales team and Technical Department are willing to support you.

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