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Viking G-4000P, Technical Data Manual

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Viking G-4000P Technical Data Manual Download Page 12

TECHNICAL DATA

May 28, 2013

The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058

Telephone: 269-945-9501  Technical services: 877-384-5464  Fax: 269-818-1680  Email: [email protected]

Preaction 325l

4” MoDEL G-4000P PrEACTIoN 

wITH ELECTrIC rELEAsE

Figure 10 - Installation Dimensions

Summary of Contents for G-4000P

Page 1: ... operates B Viking Supervised Double Interlocked Electric Pneu Lectric Release Preaction Systems Utilizing the Viking Model G 4000P Valve The system piping is pressurized with air or nitrogen to serve both as a means of supervising the integrity of the piping network and as one portion of the system release operation This feature serves to prevent undetected leaks on the system piping net work If ...

Page 2: ...er pressures are allowed by NFPA 13 for single interlock preaction systems maintaining higher air pressure within the system will assist maintenance personnel in finding and isolating inadvertent or accidental leaks within the system quickly NFPA 13 requires that the air supply be capable of filling the entire sprinkler system to its required air pressure within 30 minutes A common method of sizin...

Page 3: ...Preaction with Electric release The Viking Corporation 210 N Industrial Park Drive Hastings MI 49058 Telephone 269 945 9501 Technical Services 877 384 5464 Fax 269 818 1680 Email techsvcs vikingcorp com Preaction 325c Figure 1 Air Supply Options ...

Page 4: ...e air or nitrogen supply to the preaction system must be clean dry and oil free 2 Automatic air supplies must be regulated restricted and from a continuous source A Viking air maintenance device should be installed on each system equipped with a tank mounted compressor plant air or nitrogen For compressors with a ca pacity less than 5 5 ft3 min at 10 psig 0 154 m3 min at 0 69 bar NFPA 13 does not ...

Page 5: ... valve 5 Drain all water from the preaction system If the system has operated or if water has entered the system allow enough time to completely drain the system 6 Close the main drain valve 7 Open the priming valve Prime water pressure will enter and expand the valve s internal diaphragm assembly onto the valve seat effectively closing the valve Verify prime pressure has been established on the p...

Page 6: ...A In the Set position Air pressure is introduced into the sprinkler piping for supervisory purposes only for single interlock systems For double interlock systems air pressure is used for supervisory purposes and as one of the two initiation actions of the cross zoned solenoid Prime water is routed to the normally closed solenoid valve and to the prime chamber When prime water enters the prime cha...

Page 7: ...ngle Interlock System B Activation of Release System Single Interlock System When the detection system operates the normally closed solenoid valve is powered open Prime water is drained from the prime chamber causing the G 4000P Valve to open filling the sprinkler piping with water Water from the intermediate chamber of the G 4000P Valve pressurizes the sensing end of the PORV causing the PORV to ...

Page 8: ...ausing an alarm to activate When a sprinkler operates air pressure escapes from the sprinkler piping The air supervisory switch activates the second initiating circuit in release control panel When BOTH initiating circuits have been activated the release control panel energizes solenoid valve open With the solenoid valve open prime water is drained from the prime chamber causing the Model G 4000P ...

Page 9: ...et the system release control panel The supervisory alarms should stop When testing is complete return the system to service following steps 1 through 8 below B Full Flow Trip Test Refer to Figure 5 Performance of a trip test is recommended annually during warm weather Consider coordinating this test with operation testing of the detectors Caution Performance of this test will cause the G 4000P Va...

Page 10: ...ng 7 from the valve body 1 3 Inspect the coupling 7 and O rings 5 and 6 Replace if necessary using the instructions in O Ring Replacement Bulletin F_120611 F Removing Replacing the Prime Chamber Assembly Refer to Figure 11 1 The prime chamber assembly 4 is now held in place by two flanges on the outside diameter of the assembly Slide the prime chamber assembly 4 toward the prime line and remove fr...

Page 11: ...vikingcorp com Preaction 325k Figure 8 15651 1 Assembly Part Number 15651 1 1 Model G 4000P Valve 1 Model G 4000P Electric Release Trim Includes NC Solenoid 1 12 Section of Schedule 10 Pipe and Coupling 1 Air Pressure Supervisory Switch PS40 2A 1 Alarm Pressure Switch PS10 2A 1 Water Supply Control Valve Accessories 08055 Model E 1 Accelerator 14800 Model LD 1 Anti Column Device 15588 Drain Manifo...

Page 12: ...ion 210 N Industrial Park Drive Hastings MI 49058 Telephone 269 945 9501 Technical Services 877 384 5464 Fax 269 818 1680 Email techsvcs vikingcorp com Preaction 325l 4 Model G 4000P Preaction with Electric release Figure 10 Installation Dimensions ...

Page 13: ... Material Number Required 1 Body 65 45 12 Ductile Iron 1 2 Seat UNS C11000 Copper or UNS S30400 Stainless Steel 1 3 Anarobic Adhesive 1 4 16280 Prime Chamber Assembly Brass EPDM Nitrile 304 Stainless Steel Bronze Alloy 1 5 O Rings EPDM and Nitrile 2 6 18306 Coupling UNS S17400 Stainless Steel 1 7 14941 Check Diaphragm EPDM 1 8 Cover 65 45 12 Ductile Iron 1 9 08083 1 2 13 x 1 1 2 HHS UNS S30400 Sta...

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