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Summary of Contents for DeZurik APCO AVV-140
- Page 1 APCO AVV-140/150 AIR/VACUUM VALVE WITH OPTIONAL CSV SURGE CHECK VALVE D12021 Instruction June 2019 DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 | www.dezurik.com | info@dezurik.com...
- Page 2 Safety label(s) on the product indicate hazards that can cause injury or death. If a safety label becomes difficult to see or read, or if a label has been removed, please contact DeZURIK for replacement label(s). Personnel involved in the installation or maintenance of valves should be constantly alert to potential emission of pipeline material and take appropriate safety precautions.
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Page 3: Table Of Contents
DeZURIK APCO AVV 140/150 Air/Vacuum Valve with Optional CSV Surge Check Valve Table of Contents Description .............................. 4 Handling and Storage ..........................4 Installation ............................... 4 Fusion/Powder Coated Valves ........................ 5 Maintenance ............................5 Disassembly Procedure ........................5 Air/Vacuum Valve 1-20” (25-500mm) Only ..................5 Surge Check Valve 3-24”... -
Page 4: Description
DeZURIK APCO AVV-140/150 with CSV-1600 Option Slow Closing Air/Vacuum Valves Description The APCO Air/Vacuum Valve mounted on top of a Surge Check Valve is designed to eliminate critical shock conditions occurring in those installations where the operating conditions cause a regular air valve to slam closed. -
Page 5: Fusion/Powder Coated Valves
Maintenance The APCO AVV-140/150 Air/Vacuum Valve with Optional CSV Surge Check Valve is automatic in operation and requires very little maintenance. It should always be installed in a vertical position. A semi-annual visual inspection for leakage is recommended. A malfunction of the Air/Vacuum Valve... -
Page 6: Surge Check Valve 3-24" (80-600Mm) Only
Air/Vacuum Valve 1-20” (25-500mm) Only See Figures 1-2 for part identification. For information regarding 24” (600mm) Air/Vacuum Valves, contact your local DeZURIK sales representative. 4. Clean surface of recess in cover (A2) and install seat (A6) with seat screws (A16/A34). -
Page 7: Operation
DeZURIK APCO AVV 140/150 Air/Vacuum Valve with Optional CSV Surge Check Valve Operation The Air/Vacuum Valve operates normally allowing air to escape freely at any velocity (maximum discharge velocity is approximately 300 feet per second (102 meters per second) at 6.7 psi (50KPa);... -
Page 8: Drawings
DeZURIK APCO AVV-140/150 with CSV-1600 Option Slow Closing Air/Vacuum Valves Drawings Figure 1: AVV-140 1-3” (25-80mm) Air/Vacuum Valve D12021 Page 8 June 2019... - Page 9 DeZURIK APCO AVV 140/150 Air/Vacuum Valve with Optional CSV Surge Check Valve Drawings (Continued) Figure 2: AVV-150 4-20” (100-500mm) Air/Vacuum Valve June 2019 Page 9 D12021...
- Page 10 DeZURIK APCO AVV-140/150 with CSV-1600 Option Slow Closing Air/Vacuum Valves Drawings (Continued) Figure 3: CSV 3-24” (80-600mm) Surge Check Valve D12021 Page 10 June 2019...
- Page 11 DeZURIK APCO AVV 140/150 Air/Vacuum Valve with Optional CSV Surge Check Valve Drawings (Continued) Figure 4: Connecting Parts June 2019 Page 11 D12021...
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Page 12: Troubleshooting
DeZURIK APCO AVV-140/150 with CSV-1600 Option Slow Closing Air/Vacuum Valves Troubleshooting Condition Possible Cause Corrective Action Loose flange bolting. Tighten flange bolting. Blown flange gasket. Replace flange gasket. Misalignment or damage to field Adjust misalignment or repair Valve leaks at flange joint. - Page 13 If you use metric fasteners with ASME Class 150/300 bolt holes and flange bolt patterns, you do so at your sole risk and any liability associated with such use shall not be the responsibility of DeZURIK, Inc. In addition to the foregoing, DeZURIK’s Manufacturer’s Conditions apply.
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