Alarm Check Valve Assembly Parts
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If during the annual inspection of alarm check valves sediment or free particles of matter are noted a further examination of internal valve parts becomes necessary.
Alarm check valve assembly parts. Documents and resources technical data sheets. All deposits should be removed from all operating parts and ports. 1 handhole cover gasket 1 clapper facing 92 200 1 216 80 00 clapper assembly kit includes. Either manually when a person activates a water gong or electronically.
Clean the strainer of restriction assembly. The water staying pressurized in the pipes is released over the fire area after the sprinkler is activated. Inspect the check valve clapper located on the bypass line. Cancer and reproductive harm www p65warnings ca gov.
Close the alarm test valve and verify that water has ceased to flow from the alarm line drain. When a flow of water from the system equals or exceeds that of a single sprinkler the valve is to actuate a fire alarm. Once the pressures stabilize the alarm check valve is in service and the centrally located groove in the seat ring is sealed. The viking model j 1 alarm check valve serves as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping.
Vent holes through seat ring items 3 and 2 page 4 should be throroughly cleaned and flushed with. Inspect the valve rubber. 92 200 1 218 282 50 replacement parts for 4 model av 1 300 alarm check valves repair parts. Consequently with the alarm check valve set for service there is no flow through the alarm port to the alarm devices i e water motor alarm and or pressure alarm switch.
Once the alarm check valves are activated they will allow water to flow through the system engaging the sprinkler system as and where needed in order to suppress a potential fire. Tpmc provides a complete alarm check valve set in ul listed fm approved. Clean the 20 nb 3 4 strainer provided on the sprinkler alarm bell line. Waterway clapper in the alarm check valve.
Model av 1 300 alarm check valve 300 psi 21 2 thru 8 1 2 repair parts kit includes. And deluge system is used in conditions that require quick application of large volumes of water such as storage tank equipment pits conveyor protection etc. The alarm check valve is a water flow alarm device designed for vertical installation in the main supply to a wet pipe sprinkler system. Deluge valve is a quick release hydraulically operated diaphragm valve used in a deluge system.
Technical data sheet en it nl pt. An alarm check valve can be activated or opened in one of two basic ways.