Viking G-2000P Technical Data Manual Download

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TECHNICAL DATA

January 6, 2012

2” MoDEL G-2000P 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: [email protected]

Preaction 328c

Figure 1 - Air supply options

Tank Mounted Air

Riser Mounted Air

Compressor

Tank Mounted Air

Compressor

Pressure

Relief

Valve

Viking Model D-2 Air Maintenance

Device

Warning - Do not allow pressures

in excess of 175 psi from reaching

the AMD.

Nitrogen

Regulator*

Pressure

Relief

Valve

Nitrogen

Bottle*

Nitrogen Air Supply Option

* Not provided by

Viking

Compressor Option

Summary of Contents for G-2000P

Page 1: ...a sprinkler operates B Viking Supervised Double Interlocked Electric Pneu Lectric Release Preaction Systems Utilizing the Viking G 2000P 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 wor...

Page 2: ... 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 sizing an air compressor is t...

Page 3: ...vcs vikingcorp com Preaction 328c Figure 1 Air Supply Options Tank Mounted Air Riser Mounted Air Riser Mounted Air Compressor Tank Mounted Air Compressor Pressure Relief Valve Viking Model D 2 Air Maintenance Device Warning Do not allow pressures in excess of 175 psi from reaching the AMD Nitrogen Regulator Pressure Relief Valve Nitrogen Bottle Nitrogen Air Supply Option Not provided by Viking Com...

Page 4: ...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 capacity less than 5 5 ft3 min at 10 PSI 0 154 m3 min at 0 69 bar NFPA 13 does not requ...

Page 5: ...ol valve Wait until water exits the emergency release valve and then CLOSE the emergency release valve 5 Close the prime valve and observe the prime pressure gauge for at least 15 seconds If the gauge pressure drops check the prime line and drip check make sure the leak is fixed before proceeding to the next steps Finally RE OPEN the priming valve and verify required prime pressure has been establ...

Page 6: ...n 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 c...

Page 7: ...Single 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 2000P Valve to open filling the sprinkler piping with water Water from the intermediate chamber of the G 2000P Valve pressurizes the sensing end of the PORV causing the PORV t...

Page 8: ... causing 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 G 2000P Valv...

Page 9: ...nded pressure 6 Reset 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 c...

Page 10: ...ts of the coupling 6 remove the coupling 6 from the valve body 1 3 Inspect the coupling 6 and O rings 5 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 tow...

Page 11: ...s vikingcorp com Preaction 328k Figure 8 16187 1 Assembly Figure 9 Optional Accessories Accessories 08055 Model E 1 Accelerator 14800 Model LD 1 Anti Column Device 16211 Drain Manifold Part Number 16187 1 1 Model G 2000P Valve 1 Model G 2000P Electric Release Trim Includes NC Solenoid 1 10 Section of Schedule 10 Pipe and Coupling 1 Air Pressure Supervisory Switch PS40 2A 1 Alarm Pressure Switch PS...

Page 12: ...tion 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 328l 2 Model G 2000P Preaction with Electric release Figure 10 Installation Dimensions ...

Page 13: ... 304 Stainless Steel Bronze Alloy 1 5 O Rings EPDM and Nitrile 2 or 3 6 16062 Coupling UNS S17400 Stainless Steel 1 7 15932 Check Diaphragm EPDM 1 8 08091 3 8 16 x 1 HHS UNS S30400 Stainless Steel 8 9 Cover 65 45 12 Ductile Iron 1 10 Data Plate Aluminum 2 11 Tack Alloy Carbon Steel 4 Replacement part is not available Indicates part is available only in a Sub Assembly as indicated below Sub Assembl...

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