Check valves are divided seat ring, rubberfaced clapper, waterflow alarm check valves that are intended for use in wet pipe. If, during the annual inspection of alarm check valves, sediment or free particles of matter are noted, a further. The alarm check valve is designed to initiate an alarm during a sustained flow of water by operating an optional water motor alarm andor a. The reliable model e and model e3 alarm check valve acts as a water flow alarm device in wet pipe sprinkler systems. Connect ps10 into alarm port piping extending from alarm check valve. Clean the 20 nb 34 strainer provided on the sprinkler alarm bell line. In the event of variable pressure condition, false alarm. Deluge valve working principle instrumentation tools. May 23, 2019 an alarm check valve is basically a check valve with an alarm port. A pressure switch is provided to activate an electric alarm, to shut down the desired equipment or to give tripped indication to the panel. Dhec 3187 52017 overfill prevention equipment operability check page 3 tank tilt determination tank tilt must be determined if the 30 minute flow restriction ball float valve or electronic alarms are set to restrict flow alarm at a height greater than 90% capacity or. For interconnecting more than one sprinkler alarm, a swing check valve in each line need to be provided. The alarm control valve must be supervised and secured according to the respective regulations. The body of the alarm check valve is constructed of high tensile.
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. Slot x slot, tab x tab, tab x slot the alarm valves are divided into a seat ring, rubber pin. Series 751 firelock alarm check valve trim for use with excess pressure pump. Apr 14, 2017 an alarm valve prevents a reverse flow of water from the installation into the firepump room, but in case a fire sprinkler is activated opened due to fire, the alarm valve will open and permit. The main purpose of the alarm check valve is to ring a mechanical bell called a water motor gong. Firelock alarm check valve series 751 installation poster. Install segment f leak tight by wrenching on the 2 50mm tee. Close alarm line ball valve 5, to prevent continual alarm, before giving water to sprinkler line. To actuate a deluge valve electrically, a solenoid valve is provided to drain the water from the top chamber of the deluge valve.
The alarm check valve is designed to initiate an alarm during a sustained flow of water by operating an optional water motor alarm andor a pressure switch. Alarm valve modelh fireguard safety equipment co ltd. Orientate the tube fitting towards the back of the alarm valve. A wire runs from the new sensor equipped cap to a 9v battery powered flood alarm box. An alarm check valve can be activated or opened in one of two basic ways. The bypass check valve reduces the possibility of false alarms by permitting slow as well as small transient increases in water supply pressure to be passed through to the system without opening the waterway clapper. The viking model j1 alarm check valve serves as a check valve by trapping pressurized water above the. Connect item 26 alarm line drain port to item 27 in the drain line using the flex tubing provided item 11. Reliable model e alarm check valves are installed in either the vertical or horizontal position in the main supply to the wet pipe system. The body of the alarm check valve is constructed of high tensile strength cast iron having considerable ductility to. E alarm check valves with e3 trim reliable sprinkler. Sprinkler system animation alarm valve activated youtube. It serves a dual purpose which prevents a reverse flow of water nonreturn, also provides for the use of the water motor gong. The body of the alarm check valve is constructed of high tensile strength cast iron having considerable ductility.
In addition to this two nos of pressure switches can be used to. Model rm1 riser manifold commercial and residential. Product image for e alarm check valves with e3 trim. One sprinkler alarm may be connected to one or maximum of three alarm lines of separate fire systems. Wet pipe sprinkler system with an alarm check valve when water enters the fire sprinkler system piping, it becomes nonpotable and unsuitable for drinking. Description and operation the globe model h1, h2 and h3. The valve is trimmed with a water bypass line, which has an inline swing check valve. To keep the nonpotable water from leaking back into the city water supply, an alarm check valve can be installed. Residential shutoff valve, dualpurpose water supply, domestic and fire sprinkler system. Any alarm check valve should be carefully tested, examined, and cleaned periodically in accordance with nfpa 25.
Globe 8 models h1, h2, and h3 alarm check valves may be installed in the vertical position and trim can be provided for both variable and constant water supply pressures. Victaulic series 751 firelock alarm check valve alarm devices. Says if you have a single wet system the alarm valve can be the check valve required which would put it at the main riser. The model j1 alarm check valve may be installed in the vertical position with direction of flow up, or in the horizontal position with the access cover up.
Alarm valve includes trim packages valves, gauges, pressure switch, fittings and nipples to provide retard chamber connection,drain connections and alarm test bypass. To check that the supply line allows the unobstructed supply of water. Once the test is complete, close the drain valve and open the alarm control valve. Oct 05, 2011 system reset procedure for the viking wet pipe alarm check valve system. Overfill prevention equipment operability check this form can. 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. Viking wet pipe alarm check valve system system reset. System reset procedure for the viking wet pipe alarm check valve system. The valve is designed to initiate an alarm during a sustained flow of water such as the flow required by an open sprinkler by operating an optional water motor alarm andor alarm. The av1 alarm valves can be installed vertically or horizontally. External bypass prevents false alarm under all supply pressure condition. Claval check valves fire protection products claval. Inspect the check valve clapper located on the bypass line. Victaulic series 751 firelock alarm check valve alarm.
Alarm pressure switch the series 751 firelock alarm check valve is designed to allow the installation of pressure switches to activate electric alarms and control panels when a sustained flow of. 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. The body of the alarm check valve is constructed of high tensile strength cast iron having considerable ductility to reduce damage in field handling. The j1 alarm check valve trim allows installation of pressure switches to operate local electric alarms andor remote electric alarms during a sustained flow of water such as the flow required by an open sprinkler. Bureau veritas maritime approval series 751 firelock and 752 retard chamber.
The wac wet alarm check valve is able to detect low values of flow, commonly found in fine water spray systems and utilizes a model afa anti false alarm unit to reduce the risk of false alarms as a. Consequently, with the alarm check valve set for service, there is no flow through the alarm port to the alarm devices i. Warning the model av0 alarm check valves described. The valve should, if properly maintained, help hold the system pressure steady and reduce the possibility of false alarms. Alarm check valve fireguard safety equipment co ltd. 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. The model 353 alarm valve is the type of alarm check valve which has a grooved seat ring and an external by pass. They are rugged in construction and simple in design, allowing for removal of all parts through the top of the valve for inspection or replacement without removing the valve from the line. Close the alarm test valve and verify that water has ceased to flow from the alarm line drain.
The viking model j1 alarm check valve serves as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping. Mueller ul listed, fm approved check valves are of the gravity operated, swing check design. Alarm pressure switch the series 751 firelock alarm check valve is designed to allow the installation of pressure switches to activate electric alarms and control panels when a sustained flow of water such as an open. Dhec 3187 52017 overfill prevention equipment operability checkpage 3 tank tilt determination tank tilt must be determined if the 30 minute flow restriction ball float valve or electronic alarms are set to restrict flowalarm at a height greater than 90% capacity or. If the bell alarm is electrical or connected to a fire alarm system per nfpa 72 and not mechanical, i would approve a check valve. Model av0 alarm check valve, 300 psi 20,7 bar 212, 4.
Globe model h1, h2 and h3 alarm check valves may be installed in both vertical and horizontal positions and trim can be provided for both variable and constant water supply pressures in either of these positions. The alarm check valve is a small device consisting of a spring, valve. V01 flanged alarm check valve available size size dimension mm ref. Globe fire sprinkler corporation alarm check valves are used in wet pipe fire sprinkler systems. Reliable model e wet valve system datasheet fpc datacentre. Insure that no unsupervised shutoff valves are present between the alarm check valve and the ps10. Firelock alarm check valve series 751 victaulic free. It is most important to ensure a clean water supply free of debris and solid particles such as sand, gravel, or mud. At its basic core, a valve is going to help control water throughout a web standpipe system. The vid firekill model wac wet alarm check valves are a series of robust and reliable clapper and wafer style alarm check valves. In the event of variable pressure condition, false alarm is prevented with the. Accomplished by opening the water bypass test valve or the inspectors endofline test valve.
Once the pressures stabilize, the alarm check valve is in service and the centrally located groove in the seat ring is sealed. An alarm check valve is basically a check valve with an alarm port. Meanwhile, in the event of variable pressure condition, false alarm is prevented with provision of retard chamber at the external bypass. Our flood alarms aid basement flood protection, monitor water. Verify that the appropriate trim chart and technical data for the alarm check valve and associated equipment are available. Clavals fire protection check valves are available in an array of configurations to fit any fire suppression system.
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