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.
Wet alarm valve is mainly composed of valve body, valve seat, valve disc, sealing gasket, connecting rod, annular groove bypass connection pipe and pressure gauge connection pipe.
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Material |
Body |
Ductile iron |
|
Clapper |
SS304 w/NBR |
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Pipes |
SS304 |
|
|
Ball valve & strainer & check valve |
Brass |
|
|
Water motor gong |
SS304 |
|
|
Working pressure |
12 bar |
|
|
Sealing testing pressure |
24 bar |
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|
Applicable temperature |
4°C to 70°C |
|
|
Installation |
Vertically |
|
|
Flow switch contact capacity |
DC24V,0.5A |
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Connection |
Flange × Flange |
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Available Size |
DN80 thru DN250 (3" thru 10") |
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FAQ
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A: We keep good quality and competitive price to ensure our customers benefit and respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.
Q.How can I get the price?
A:We usually quote within 24 hours after we get your inquiry(Except weekend and holidays).If you are very urgent to get the price, please email us or contact us in other ways so that we can offer you a quote.
Q.What is the shipping method?
A: It could be shipped by sea,by air or by express(EMS,UPS,DHL,TNT,FEDEX and ect). Please confirm with us before placing orders.
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1) Ductile iron construction valve body,less weight and extra strength.
2) Easy maintenance just require to disassemble the valve cover .
3) The all moving parts can be serviced without removing the valve from the installed position.
4) Simple design for easy installation and operation.
5) Vertical installation.
6) CCCF certificated.










