DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 |
www.dezurik.com
| [email protected]
APCO AVV-1800/1800K DUAL
BODY COMBINATION AIR
VALVE WITH OPTIONAL CSV
SURGE CHECK VALVE
Instruction
D12025
June 2019
Страница 1: ...DeZURIK Inc Sartell Minnesota USA Phone 320 259 2000 www dezurik com info dezurik com APCO AVV 1800 1800K DUAL BODY COMBINATION AIR VALVE WITH OPTIONAL CSV SURGE CHECK VALVE Instruction D12025 June 2019 ...
Страница 2: ...ion during shipment however items can be damaged in transport Carefully inspect the unit for damage upon arrival and file a claim with the carrier if damage is apparent Parts Replaceable wear parts are listed on the assembly drawing These parts can be stocked to minimize downtime Order parts from your local DeZURIK sales representative or directly from DeZURIK When ordering parts please provide th...
Страница 3: ...4 Installation 6 Fusion Powder Coated Valves 6 Maintenance 7 Disassembly Procedure 7 Air Vacuum Valve 1 20 25 500mm Only 7 ARV 50A 200A 200 Air Release Valve 8 Surge Check Valve 3 24 80 600mm Only 8 Assembly Procedure 8 Surge Check Valve 3 24 80 600mm Only 8 ARV 50A 200A 200 Air Release Valve 8 Air Vacuum Valve 1 20 25 500mm Only 9 Testing 9 Operation 9 Drawings 10 Troubleshooting 17 ...
Страница 4: ...ver actual field tests prove the Surge Check Valve may protect the Air Vacuum Valve from damage by severe shut off shock Handling and Storage Lifting the valve improperly may damage it Do not fasten lifting devices to piping or attached components Lift the valve with slings chains or cables fastened around the valve body or fastened to bolts or rods through bolt holes in the flanges If installatio...
Страница 5: ...til secure 4 For 4 20 100 500mm AVV Only See Figures 1 3 for part identification For information regarding 24 600mm Air Vacuum Valves contact your local DeZURIK sales representative a Remove ONLY the upper pipe plug A44 in the side of the body A1 if applicable i DO NOT remove the lower pipe plug A44 in the side of the body A1 b Apply thread sealant to the threads in the upper port on the side of t...
Страница 6: ...re the hydraulic gradient and flow conditions are such that a negative pressure can possibly occur High points on sections of pipeline having water velocities in excess of 10 F P S Adjacent to any quick closing valve in a pipeline such as a check or gate valve where vacuum can occur upon closure On the discharge of larger deep well turbine pumps between the pump and the check valve If an Air Vacuu...
Страница 7: ...ative Servicing the Air Vacuum Valve while the pipeline is under pressure can cause personal injury or equipment damage Relieve pipeline pressure or shut off isolation valve before servicing the Air Vacuum Valve 1 Relieve pipeline pressure or shut off isolation valve at inlet to Air Vacuum Valve before servicing the Air Valve Do not completely remove pipe plugs or cover bolts while the valve is un...
Страница 8: ...aining screw S7 located on the face of seat S2 Push down plug S3 to compress spring S4 then release plug to knock out seat 15 Remove plug S3 spring S4 retaining ring S6 and bushing S5 from body S1 16 Clean all surfaces before re assembly Replace all defective parts Assembly Procedure Surge Check Valve 3 24 80 600mm Only See Figures 1 3 7 for part identification Replacement parts are not available ...
Страница 9: ...o the system caused by power outage water column separation or sudden rupture of the pipeline Additionally these valves allow the system to be easily drained because air will re enter as needed The Surge Check Valve operates on the interphase between the kinetic energy in the relative velocity flows of air and water The Surge Check is a normally open valve spring loaded so that air passes through ...
Страница 10: ...DeZURIK APCO AVV 1800 1800K Dual Body Combination Air Valve with CSV Surge Check Valve D12025 Page 10 June 2019 Drawings Figure 1 Connecting Parts for Dual Body AVV with CSV Option ...
Страница 11: ...DeZURIK APCO AVV 1800 1800K Dual Body Combination Air Valve with CSV Surge Check Valve June 2019 Page 11 D12025 Drawings Continued Figure 2 AVV 140 1 3 25 80mm Air Vacuum Valve ...
Страница 12: ...DeZURIK APCO AVV 1800 1800K Dual Body Combination Air Valve with CSV Surge Check Valve D12025 Page 12 June 2019 Drawings Continued Figure 3 AVV 150 4 20 100 500mm Air Vacuum Valve ...
Страница 13: ...DeZURIK APCO AVV 1800 1800K Dual Body Combination Air Valve with CSV Surge Check Valve June 2019 Page 13 D12025 Drawings Continued Figure 4 ARV 50A Air Release Valve ...
Страница 14: ...DeZURIK APCO AVV 1800 1800K Dual Body Combination Air Valve with CSV Surge Check Valve D12025 Page 14 June 2019 Drawings Continued Figure 5 ARV 200A Air Release Valve ...
Страница 15: ...DeZURIK APCO AVV 1800 1800K Dual Body Combination Air Valve with CSV Surge Check Valve June 2019 Page 15 D12025 Drawings Continued Figure 6 ARV 200 Air Release Valve ...
Страница 16: ...DeZURIK APCO AVV 1800 1800K Dual Body Combination Air Valve with CSV Surge Check Valve D12025 Page 16 June 2019 Drawings Continued Figure 7 CSV 3 24 80 600mm Surge Check Valve ...
Страница 17: ...iping and supports Adjust misalignment or repair piping or supports Damaged flange face s or improper flange connections Repair flange replace valve body or adjust flange connections Valve leaks out of outlet port Dirty needle and or seat Clean needle and or seat Worn needle and or seat Replace needle and or seat Dirty seat and or float Clean seat and or float Worn seat and or float Replace seat a...
Страница 18: ...ll be the only effective guarantee or warranty binding on Seller despite anything to the contrary contained in the purchase order or represented by any agent or employee of Seller in writing or otherwise notwithstanding including but not limited to implied warranties THE FOREGOING REPAIR AND REPLACEMENT LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES OBLIGATIONS AND LIABILITIES INCLUDING ALL W...
