Summary of Contents for CHAODA Pigging Ball Valve
- Page 1 Chaoda Group USA Co., LTD CHAODA Pigging Ball Valve Installation & Operation Manual Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
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Page 2: Table Of Contents
Chaoda Group USA Co., LTD Table of Contents 1. Prior to installation 3 2. Installation ............................4 2.1 Flange end valve installation ......................6 3. The operation, Launching and Receiving ..................9 3.1 Launching ............................ 10 3.2 Receiving ............................. 12 4. -
Page 3: Prior To Installation
Chaoda Group USA Co., LTD CHAODA Pigging Valve Installation & Operation Manual This manual provides relevant valve installation, operation, and maintenance information. All drawings in this manual show standard general construction details. 1. Prior to installation 1. Upon receipt, each valve should be inspected for damage due to transportation and handling. -
Page 4: Installation
Chaoda Group USA Co., LTD 2. Installation 1. It is highly recommended to install the pigging valve with the stem in the vertical position. 2. Ensure the Pig Valve matches the nominal size and pressure rating of the piping system. - Page 5 Chaoda Group USA Co., LTD Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
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Page 6: Flange End Valve Installation
Chaoda Group USA Co., LTD The Catcher plate, Launcher and Receiver Options Figure 1 2.1 Flange end valve installation 1. Make sure that both the flange gasket and fastener are suitable for field operation 2. Insert the valve (fully open position) along with suitable gasket between the mating flange, align the flange bolt holes &... - Page 7 Chaoda Group USA Co., LTD Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
- Page 8 Chaoda Group USA Co., LTD Bolting Sequence Chart Figure 2 Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
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Page 9: The Operation, Launching And Receiving
4. The valve is intended for on-off service only. It should not be used for throttling service. 5. Chaoda Pigging valve is ninety degrees shut off the ball valve. Valves open by gear operator handwheel in a counterclockwise and close by gear operator in a clockwise direction 6. -
Page 10: Launching
Chaoda Group USA Co., LTD The Below video shows how to Open and Close the Closure/Entry Cap of Chaoda Pig Valve, check it out first. 3.1 Launching 1. Fully close the pig valve by using the gear operator to achieve shut-off in both directions. - Page 11 Chaoda Group USA Co., LTD opened (to make sure the cavity vented), the closure can be opened by turning the handle. 3. Open the closure door and insert the Pig. Note: It won’t let you turn the handle to open the closure if the safety needle valve is not fully opened.
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Page 12: Receiving
Chaoda Group USA Co., LTD Launching Figure 3 3.2 Receiving 1. The Pig enters the pig valve and it will be stopped by the catcher plate in the open position. 2. Fully close the pig valve by using the gear operator to achieve shut-off in both directions. - Page 13 Chaoda Group USA Co., LTD 3. Open the secondary safety needle vent/bleed valve located at the front of the closure door. This will vent any excess pressure, releasing the mechanical stop, and unlocking the closure door(entry cap). For 4’’ pigging valve. Turn the handle to fully open the safety needle bleeder on the closure.
- Page 14 Chaoda Group USA Co., LTD Receiving Figure 4 Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
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Page 15: Maintenance
Chaoda Group USA Co., LTD 4. Maintenance 1. After installation and the pressure test of the pipeline or the system, the ball must be fully opened or fully closed. 2. Dust, grease and medium residual tend to accumulate at the surfaces of the body, and moving parts such as stem, gearbox, the guide of the yoke, etc., wear and erode... -
Page 16: Hanging And Supporting
Chaoda Group USA Co., LTD 7. If the cover flange leak occurs, do not try to excessively tighten the body and bonnet, this may damage the valve. Instead, the cover flange should be replaced by a new one. 5. Hanging and Supporting... - Page 17 Chaoda Group USA Co., LTD Improper method of support Proper method of support Proper method of support Proper method of support Figure 6 Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942...
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Page 18: General Assembly Drawing
Chaoda Group USA Co., LTD 6. General Assembly Drawing 6.1 4’’ Pig valve Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477... - Page 19 Chaoda Group USA Co., LTD Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
- Page 20 Chaoda Group USA Co., LTD Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
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Page 21: 6'' And Above
Chaoda Group USA Co., LTD 6.2 6’’ and above Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477... - Page 22 Chaoda Group USA Co., LTD Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
- Page 23 Chaoda Group USA Co., LTD Chaoda Group USA Co., LTD Tel: +1 (832) 939-9944 10633 W Airport Blvd. STE 200 Fax: +1 (832) 939-9942 Stafford, TX 77477...
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Page 24: Troubleshooting
Chaoda Group USA Co., LTD 7. Troubleshooting Si.no. Nature of defect cause remedy 1.damage of the seat due to the 1.disassemble, clean & replace presence of foreign particles by new seats 2 damage of O- ring 2. disassemble, clean & replace by a new O-ring 3.damage of the seat in weld end... - Page 25 Chaoda Group USA Co., LTD 2. ball coating compromised 2.check performance or replace ball 3. insufficient air supply pressure in case of pneumatic operated 3. ensure sufficient air pressure valves 1. Lubricate seats through the 1. Infrequent operation lack of...