Wet alarm valve water supply main drain valve alarm test valve alarm shutoff valve 102317 bafsa b. Technical data describing the viking deluge valve, and other system com. It serves a dual purpose which prevents a reverse flow of water nonreturn, also provides for the use of the water motor gong. A pressure switch is connected to the alarm port of the alarm check valve. The viking model j1 alarm check valve serves as a check valve by trapping pressurized water above the. Alarm check valves shall be ul listed and fm approved. Victaulic series 751 firelock alarm check valve alarm devices. Features an elastomer encapsulated disc with an electroless nickel plated seat. When the valve opens, the alarm port is exposed to the incoming water supply. Totalpac3 double interlock preaction, electricpneumatic release selfcontained system 5 of 20 fm076d055h standard equipment continued preaction riser check valve the viking spring loaded inline check valve is a general purpose rubberfaced check valve approved for use in fireservice systems.
What is a tamper switch for fire protection systems. Victaulic series 717r firelock riser check valve check. In addition to this two nos of pressure switches can be used to. Viking xtreme manual valves over molded spool valve port options.
The release system must activate detection solenoid valve opensan alarm will soundin fire conditions,after the release system operates water travels from thedeluge valve to the open sprinkler. The tamper switch features an actuating unit, usually a lever or cable with a resting position. Regular inspections help to verify that the clapper functions properly, that the valve seat is in good condition, and that there arent any visible signs of corrosion or blockages. Either someone would need to manually open valves in order to allow water into the sprinkler system or the entire system will be under full pressure constantly, which can lead to issues in the event of surges or corrosion. Alarm check valve vertical trim model j1 viking group inc. Check to insure that the rod moves out of the groove easily and that the switches activate within two turns when the valve is operated from the full open towards the closed position. Regardless of the type of tamper switch, they all function similarly. 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 pressure switch.
Firelock alarm check valve series 751 installation poster. The valve is also designed to operate a water motor alarm andor an electric pressure alarm switch. Reinstall the cover and tighten the cover screws to 15 inlbs minimum to properly seal the enclosure. Stepbystep visual instruction for placing a viking dry pipe fire sprinkler system back in service after activation. Excess pressure pump trim option available upon request. The viking model f2 halar coated deluge valve is identical to the viking model f1. By not using alarm check valves in a sprinkler system, there are two scenarios that will play out.
The pressure switch detects the pressure change and sends an alarm. Nov 14, 2016 stepbystep visual instruction for placing a viking dry pipe fire sprinkler system back in service after activation. Under certain circumstances where it is desirable to have more positive control of the closing of the disc, the valves can be. Globe fire sprinkler corporation alarm check valves are used in wet pipe fire sprinkler systems. Bureau veritas maritime approval series 751 firelock and 752 retard chamber. All air shall be bled from the system piping above the check valve. Risks of ignoring alarm check valves by not using alarm check valves in a sprinkler system, there are two scenarios that will play out. An alarm device a check valve retarding chambers must be provided if variable water pressure conditions are encountered surge in pressure alarm check valve. Preactio yste t v eluge alve doube nterock ectricpnematic. Technical data model j1 the viking corporation, 210 n. Preactio yste t v eluge alve doube nterock ectricpnematic tuaton 112 hr nc dn40 an n200 page 1 of 16 july 2014 tfp1460 worldwide ontats tycorecom general description the dv5 double interlock preaction system with electricpneumatic actuation fig. External bypass prevents false alarm under all supply pressure condition.
Detailed animation is an excellent training tool, showing proper reset. Single interlock preaction does not have the water delivery. Lead free series 757, 757n watts water technologies. Alarm check valve horizontal trim model j1 firequip. The alarm port can be used to direct water to a water motor alarm or an alarm pressure switch used to alert nearby personnel to the systems activation or send a signal to a fire alarm control panel. 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. Series 757, 757n double check valve assemblies sizes. Kennedy swing check valves are designed and manufactured in conformance with a. In this demonstration we will be covering the replacement of the viking model j1 alarm check valve clapper assembly. Alarm check valve water flow detecting device on preaction and deluge systems, alarms must be actuated independently by the detection system alarm check valves function as. Viking wet pipe alarm check valve system system reset. Wet systems specification alarm check valve viking group inc.
The valve is designed to initiate an alarm during a. When the fire sprinkler head is activated, the alarm check valve opens. 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. Clean the 20 nb 34 strainer provided on the sprinkler alarm bell line. The trim piping on all deluge valves, flow control valves, and alarm check valves shall utilize brass piping. The bypass line equipped with the check valve diverts sudden increases in pressure from the supply line away from the alarm valve clapper. Alarm check valve is core element in wet pipe fire sprinkler systems. Viking xtreme manual valves have all the features of the viking xtreme valves including temperature and pressure range while incorporating a rugged lever actuator which has been speci. Itg fy0501 design criteria for the fire protection of. Inspect the check valve clapper located on the bypass line. 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. Meanwhile, in the event of variable pressure condition, false alarm is prevented with provision of retard chamber at the external bypass. Includes upstream and downstream pressure taps, must specify riser check kit when ordered. Any alarm check valve should be carefully tested, examined, and cleaned periodically in accordance with nfpa 25.
Viking model j1 alarm check valve clapper assembly. Prevents the reverse flow of water from the system piping to the water supply. Alarm check valve is designed to activate a mechanical alarm when a sustained flow of water such as an open sprinkler causes the alarm check s clapper to lift from its seat. 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. It is most important to ensure a clean water supply free of debris and solid particles such as sand, gravel, or mud. Close the alarm test valve and verify that water has ceased to flow from the alarm line drain. Viking model j1 alarm check valve rubber replacement kit. A swing check valve can act as an alarm check valve for a wetpipe fire sprinkler system, but only when that valve can sound an alarm. Waterflow detectors waterflow detectors are available for installation on the riser. The alarm check valve serves as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping. System reset procedure for the viking wet pipe alarm check valve system. Under certain circumstances where it is desirable to have more positive control of the closing of the disc, the valves can be supplied with either leverandspring or leverandweight. When a check valve is needed to prevent backflow, nibco has a complete lineup, including the nibco ring check with selfclosing disc, horizontal swing, sliding disc, silent check and y pattern. To actuate a deluge valve electrically, a solenoid valve is provided to drain the water from the top chamber of the deluge valve.
Direct acting solenoid valve, designed to shut off refrigerating media. Deluge valve working principle instrumentation tools. Check valve overhaul kit shurjoint rg available sizes other sizes 65 no 80 100 150 also available pilot valve overhaul kit. Firelock alarm check valve series 751 victaulic free. Check valve modelch sprinkler alarm ul listed optional release panel ul listed optional water flow ul listed switch solenoid valve 24v dc, ul listed automatic air oilless risermount supervisor compressor optional air pressure pmd1 optional maintenance device manual system ul listed, butterfly valve. A tamper switch is a mechanical and electrical device connected to a fire protection valve that signals a warning if the valve partially or fully closes. Bureau veritas maritime approval style 751 and style 752. If, during the annual inspection of alarm check valves, sediment or free particles of matter are noted, a. Either someone would need to manually open valves in order to allow water into the sprinkler system or the entire system will be under full pressure constantly, which can lead to issues in the event of surges.
Upon sprinkler opening water flows from sprinkler orificeonto fire. Includes upstream and downstream pressure taps, must specify riser check kit. Viking pilot operated pressure control valves must be installed in. The viking corporation, 210 n industrial park drive, hastings mi 49058 telephone. A pressure switch is provided to activate an electric alarm, to shut down the desired equipment or to. The valve is designed to initiate an alarm during a sustained flow of water such as the flow required by. Alarm check valves and system riser check valves require more frequent inspections. In this demonstration we will be covering the repair of the rubber replacement of the viking model j1 alarm check valve.
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