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Qingdao Kingworld Control Co., Ltd.

Check Valves, Waterflow Alarm Check Valves, Price Check Valve manufacturer / supplier in China, offering China Good Price Waterflow Alarm Check Valves AV 1 FM UL, Tyco-Ansul Fire Fighting Pressure Foam Proportioner, Fire Proportioner, Tyco Sv-1 UL Listed Casting Deluge Valve for Fire Sprinkler System and so on.

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China Good Price Waterflow Alarm Check Valves AV 1 FM UL

FOB Price: US $260-410 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $260-410/ Set
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Port: Qingdao, China
Production Capacity: 50000 Per Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: AV 1 300
  • Connection Form: Flange
  • Seal Form: Auto Sealed
  • Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
  • Material of Seal Surface: Soft Sealed
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • International Certification: UL FM
  • Trademark: Tyco
  • Specification: 2 1/2, 4, 6, 8 inch
  • Driving Mode: Pneumatic
  • Structure: Check
  • Valve Stem: Normal
  • Working Temperature: Normal Temperature (-40°C<T<120°C)
  • Valve Body: Casting
  • Connection: Flange X Flange,Flange X Groove,Groove X Groove
  • Working Pressure: 20 to 300 Psi
  • Transport Package: as Customer Require
  • Origin: China
Product Description
China Good Price Waterflow Alarm Check Valves AV 1 FM UL

The TYCO Model AV-1-300 Alarm Check Valves are divided seat ring ,rubber faced clapper ,water flow alarm check valves that are intended for use in wet pipe( automatic sprinkler) fire protection systems.They may be installed vertically or horizontally.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 equlvalent to the discharge rate of one or more sprinklers.

Waterflow Alarm Valves

Waterflow alarm valves (alarm check valves) are installed in either vertical or horizontal positions in wetpipe sprinkler systems to sound a fire alarm gong when a flow of water from the system equals or exceeds that of a single sprinkler. They are designed for use with hydraulic or electric gongs or both.

There are two designs, the differential type and the pilot valve type. The differential type has a rubber-faced clapper with an annular groove in the seat; the pilot valve type has a metal-faced clapper with a pilot valve attached to the clapper arm.

A retard chamber, which minimizes false alarms due to surges and fluctuations in water supply pressure, may be supplied with the alarm valve. If a retard chamber is supplied,only the listed chamber for a specific manufacturer and valve model shall be used. Alarm valves are FM Approved with specific trim, and no substitutes or omissions in part or in full are allowed.

Alarms are tested by flowing water through the system test pipe. Pilot valves may be field-adjusted to assure alarm reliability. Unless otherwise noted in the listing, these valves have 175 psi (1205 kPa) rated working pressure.
    Nominal Max  
    Valve Rated  
  End Size, Working  
  Connections NPS Pressure,  
Product Inlet x in.    
Description Outlet (mm) psi (kPa) Remarks
AV-1 Flange x 4, 6, 8 175 a, b, c, f
  Flange in. (1205)  
AV-1 Flange x 4, 6 in. 175 a, b, d, e, f
  Flange 165 mm (1205)  
AV-1 Flange x 2 1⁄2, 4, 175 a, b, c, f
  Groove 6, 8 in. (1205)  
    mm, 165    
AV-1 Flange x 2 1⁄2, 4, 175 a, c, d, e,
  Groove 6 in. (1205) f
    165 mm    
AV-1 Groove x 2 1⁄2, 4, 175 a, c, f
  Groove 6 in. (1205)  
    mm, 165    
AV-1 Groove x 2 1⁄2, 4, 175 a, c, d, f
  Groove 6 in. (1205)  
    165 mm    
AV-1 Flange x 4, 6, 8 300 a, b, c, f
  Flange in. (2070)  
AV-1 Flange x 2 1⁄2, 4, 300 a, c, d, e, f
  Flange 6, 8 in. (2070)  
    165 mm    
AV-1 Flange x 2 1⁄2, 4, 300 a, b, c, f
  Groove 6, 8 in. (2070)  
    mm, 165    
AV-1 Flange x 2 1⁄2, 4, 300 a, c, d, e,
  Groove 6, 8 in. (2070) f
    165 mm    
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