Alarm Check Valve Reliable Pdf

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Alarm check valve reliable pdf. Description alarm valve is a double seated clapper check valve with grooved seat design which ensures positive water flow for alarm operation and is designed for installation in wet pipe sprinkler system. 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. Technical data sheet en it nl pt. Any alarm check valve should be carefully tested examined and cleaned periodically in accordance with nfpa 25.

Reliable wet system valves are designed to control sprinkler systems in areas that are temperature controlled to at least 40 f 4 c. In the event that a sudden. Sdh ava technical data. Model j 1 alarm check valve 1.

Wet alarm valve water supply main drain valve alarm test valve alarm shutoff valve 10 23 17 bafsa b. The model j 1 valve serves as a check valve by trap ping pressurized water above the clapper and preventing reverse flow from sprinkler piping. Prv pressure regulating valve. An alarm check valve can be activated or opened in one of two basic ways.

Reliable s grooved products by titus. 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. Wp window series sprinklers. Documents and resources technical data sheets.

See full size image. External bypass prevents false alarm under all supply pressure condition. Description the model j 1 alarm check valve figure 9 is designed to indi cate when a sprinkler has operated as well as provide a system check valve. Once the pressures stabilize the alarm check valve is in service and the centrally located groove in the seat ring is sealed.

Cad drawings engineering. Waterway clapper in the alarm check valve. E alarm check valves with e3 trim. The bypass line equipped with the check valve diverts sudden increases in pressure from the supply line away from the alarm valve clapper.

As the most common type of system wet sprinkler systems have water available at the sprinkler so when a fire occurs and the sprinkler activates water is discharged on the fire immediately. This creates over pressure in the system. Either manually when a person activates a water gong or electronically. Reliable automatic sprinkler co inc 103 fairview park drive elmsford new york 10523 bulletin january 2019 bulletin 407 january 2019 instructions for installation operation care and maintenance model e alarm check valve.

Which pushes the clapper into the seat. Cancer and reproductive harm www p65warnings ca gov.