APCO CDD-9000T DOUBLE DOOR CHECK VALVES
Instruction
D12041
September 2015
Страница 1: ...APCO CDD 9000T DOUBLE DOOR CHECK VALVES Instruction D12041 September 2015 ...
Страница 2: ...removed from service with suitable protection for any potential pipeline material in the valve Inspection Your APCO CDD 9000T Double Door Check Valve has been packaged to provide protection during shipment however it 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 Recommended spare parts are listed on the ...
Страница 3: ...eck Valves September 2015 Page 3 D12041 Table of Contents Description 4 Handling and Storage 4 Installation 4 Fusion Powder Coated Valves 4 Maintenance 5 Disassembly Procedure 5 Assembly Procedure 6 Operation 6 Drawings 7 Troubleshooting 8 ...
Страница 4: ...om ground moisture runoff and pooled rain water Installation The APCO CDD 9000T Double Door Check Valve may be installed in a horizontal or vertical position with the flow upward Valve supports are not needed The Valve must be installed with the hinge pin in the vertical position for horizontal flow applications Before installation remove foreign material such as weld spatter oil grease and dirt f...
Страница 5: ... while the pipeline is under pressure can cause personal injury or equipment damage Relieve pipeline pressure and lockout the pumps before servicing the valve Disassembly Procedure See Figure 1 for part identification Instructions for valves using pin retainers 1 Relieve the pressure in the pipeline 2 Remove valve from line 3 Remove pin retainers 7 4 Remove stop pin 6 from body 1 5 Depress spring ...
Страница 6: ...loroethylene is recommended particularly for resilient seated valves 2 Position doors 2 together so pin holes in doors are aligned 3 Slide hinge pin 5 through first pair of door pin holes 4 Wind up spring or springs 4 one half turn to obtain initial torsion and install spring with the spring arms flat on the doors 2 Do not unwind spring as this will change spring torque and also limit the opening ...
Страница 7: ...e Bolt is used on 10 and larger Ductile Iron valves and on 8 and larger Carbon Steel and Stainless Steel valves NO DESCRIPTION 1 Body 2 Door 3 Seat 4 Spring 5 Hinge Pin 6 Stop Pin 7 Pin Retainer NPT Plug 8 Lifting Eye Bolt 9 Cap Figure 1 CDD 9000T Double Door Check Valve Wafer and Lugged versions ...
Страница 8: ...replace seat Valve slams Springs may be broken Replace springs Valve won t open Improper installation Flow arrow on valve body should be pointing in direction of flow Valve leaks at flange joint Loose flange bolting Tighten flange bolting Blown flange gasket Replace flange gasket Misalignment or damage to field piping and supports Adjust misalignment or repair piping or supports Damaged flange fac...
Страница 9: ...antee shall be null and void if after shipment from our factory the item is modified in any way or a component of another manufacturer such as but not limited to an actuator is attached to the item by anyone other than DeZURIK Inc Factory Service personnel All orders accepted shall be deemed accepted subject to this limited warranty which shall be exclusive of any other or previous Warranty and th...
