Single interlock preaction does not have the water delivery. 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. Wet alarm valve water supply main drain valve alarm test valve alarm shutoff valve 102317 bafsa b. Firelock alarm check valve series 751 installation poster. 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. What is a tamper switch for fire protection systems. 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. Includes upstream and downstream pressure taps, must specify riser check kit when ordered. Kennedy swing check valves are designed and manufactured in conformance with a. Features an elastomer encapsulated disc with an electroless nickel plated seat. Jun 26, 2018 in this demonstration we will be covering the repair of the rubber replacement of the viking model j1 alarm check valve. 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.
The valve is designed to initiate an alarm during a sustained flow of water such as the flow required by an. Reinstall the cover and tighten the cover screws to 15 inlbs minimum to properly seal the enclosure. The pressure switch detects the pressure change and sends an alarm. 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. Viking wet pipe alarm check valve system system reset. 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.
When the fire sprinkler head is activated, the alarm check valve opens. In addition to this two nos of pressure switches can be used to. A pressure switch is provided to activate an electric alarm, to shut down the desired equipment or to. Detailed animation is an excellent training tool, showing proper reset. When the valve opens, the alarm port is exposed to the incoming water supply. The valve is designed to initiate an alarm during a. 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. Ask us how to spec the right check valve, or get catalogs, chemical resistance guides and submittals. Any alarm check valve should be carefully tested, examined, and cleaned periodically in accordance with nfpa 25. An alarm device a check valve retarding chambers must be provided if variable water pressure conditions are encountered surge in pressure alarm check valve. 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.
A pressure switch is connected to the alarm port of the alarm check valve. Under certain circumstances where it is desirable to have more positive control of the closing of the disc, the valves can be. Upon sprinkler opening water flows from sprinkler orificeonto fire. The viking model d2 or e1 accelerator can be used to speed the operation of the valve on large capacity systems or where faster action is required. 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. Viking model j1 alarm check valve clapper assembly. Close the alarm test valve and verify that water has ceased to flow from the alarm line drain. 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. To actuate a deluge valve electrically, a solenoid valve is provided to drain the water from the top chamber of the deluge valve. Inspect the check valve clapper located on the bypass line. 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. Alarm check valves and system riser check valves require more frequent inspections.
Viking xtreme manual valves over molded spool valve port options. Lead free series 757, 757n watts water technologies. 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. It is most important to ensure a clean water supply free of debris and solid particles such as sand, gravel, or mud. Check valve overhaul kit shurjoint rg available sizes other sizes 65 no 80 100 150 also available pilot valve overhaul kit. Alarm check valves shall be ul listed and fm approved. 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. Prevents the reverse flow of water from the system piping to the water supply. Victaulic series 751 firelock alarm check valve alarm devices. The alarm check valve serves as a check valve by trapping pressurized water above the clapper and preventing reverse flow from sprinkler piping. The viking model j1 alarm check valve serves as a check valve by trapping pressurized water above the. Includes upstream and downstream pressure taps, must specify riser check kit. Victaulic series 751 firelock alarm check valve alarm. The trim piping on all deluge valves, flow control valves, and alarm check valves shall utilize brass piping.
Viking model j1 alarm check valve rubber replacement kit. It serves a dual purpose which prevents a reverse flow of water nonreturn, also provides for the use of the water motor gong. 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. The viking model f2 halar coated deluge valve is identical to the viking model f1. External bypass prevents false alarm under all supply pressure condition. All air shall be bled from the system piping above the check valve. 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. Globe fire sprinkler corporation alarm check valves are used in wet pipe fire sprinkler systems. Risks of ignoring alarm check valves by not using alarm check valves in a sprinkler system, there are two scenarios that will play out. 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 series 751 firelock and 752 retard chamber. 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.
Stepbystep visual instruction for placing a viking dry pipe fire sprinkler system back in service after activation. 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. Direct acting solenoid valve, designed to shut off refrigerating media. The bypass line allows pressure surges to enter the system without causing false alarms. In this demonstration we will be covering the replacement of the viking model j1 alarm check valve clapper assembly.
Bureau veritas maritime approval style 751 and style 752. Preactio yste t v eluge alve doube nterock ectricpnematic. The halar coated valve may be used to control water flow in deluge and preac. Technical data model j1 the viking corporation, 210 n. Wet systems specification alarm check valve viking group inc. 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. If, during the annual inspection of alarm check valves, sediment or free particles of matter are noted, a. Clean the 20 nb 34 strainer provided on the sprinkler alarm bell line. In this demonstration we will be covering the repair of the rubber replacement of the viking model j1 alarm check valve. Regardless of the type of tamper switch, they all function similarly. Excess pressure pump trim option available upon request. Alarm check valve shall be equipped with a water motoroperated mechanical alarm or pressure switch to initiate an electric alarm. A pressure switch is provided to activate an electric alarm, to shut down the desired equipment or to give tripped indication to the panel. Alarm check valve vertical trim model j1 viking group inc.
Nov 14, 2016 stepbystep visual instruction for placing a viking dry pipe fire sprinkler system back in service after activation. 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. The bypass line equipped with the check valve diverts sudden increases in pressure from the supply line away from the alarm valve clapper. 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. Itg fy0501 design criteria for the fire protection of. By not using alarm check valves in a sprinkler system, there are two scenarios that will play out. Technical data describing the viking deluge valve, and other system com. Deluge valve working principle instrumentation tools. Victaulic series 717r firelock riser check valve check. Series 757, 757n double check valve assemblies sizes. Waterflow detectors waterflow detectors are available for installation on the riser.
Alarm check valve horizontal trim model j1 firequip. 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. The tamper switch features an actuating unit, usually a lever or cable with a resting position. Viking pilot operated pressure control valves must be installed in. Alarm check valve is core element in wet pipe fire sprinkler systems. The valve is also designed to operate a water motor alarm andor an electric pressure alarm switch. The viking corporation, 210 n industrial park drive, hastings mi 49058 telephone.
1296 215 497 1270 473 313 507 1517 1321 32 1369 1389 99 135 247 1257 1383 457 159 1526 274 146 1118 704 780 29 831 199 197 1105 318 556 169 388 1415 1342 704 1351 1268