10633 W Airport Blvd. STE 200
Chaoda Group USA Co., LTD
Tel: +1 (832) 939-9944
Stafford, TX 77477
Fax: +1 (832) 939-9942
Pa
ge
21
6.2 6’’ and above
Page 1: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 1 Chaoda Group USA Co LTD CHAODA Pigging Ball Valve Installation Operation Manual...
Page 2: ...Group USA Co LTD Table of Contents 1 Prior to installation3 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 Maintenan...
Page 3: ...lace until the time of installation 3 End Flange and BW surfaces are properly protected at the factory End protection shall be maintained to avoid having foreign material entering the valve body cavit...
Page 4: ...ure there is a flow arrow If the catcher plate An indicated tag located on the flange is installed on the body at the head point end of the arrow it is a receiver valve and if the catcher plate is ins...
Page 5: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 5 Chaoda Group USA Co LTD...
Page 6: ...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...
Page 7: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 7 Chaoda Group USA Co LTD...
Page 8: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 8 Chaoda Group USA Co LTD Bolting Sequence Chart Figure 2...
Page 9: ...hammering effect on the valve pipeline 3 Valves should be fully opened and fully closed to prevent damage to the seat and ball 4 The valve is intended for on off service only It should not be used for...
Page 10: ...of the valve 2 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 do...
Page 11: ...turn the handle to open the closure if the safety needle valve is not fully opened 4 Reinstall the closure align and adjust the closure with the entry bore close it and turn the handle to lock it Then...
Page 12: ...oda 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 oper...
Page 13: ...he handle For 6 and above pigging valve Turn the handwheel to fully open the safety needle bleeder on the closure Only after these safety devices fully opened to make sure the cavity vented the closur...
Page 14: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 14 Chaoda Group USA Co LTD Receiving Figure 4...
Page 15: ...laced It is suggested that the inspection and maintenance of the valve shall be performed every three months provided the fluid is gas water or oil For other more abrasive media at least once a month...
Page 16: ...2 Page 16 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...
Page 17: ...00 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 17 Chaoda Group USA Co LTD Improper method of support Proper method of support Proper method of support Proper m...
Page 18: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 18 Chaoda Group USA Co LTD 6 General Assembly Drawing 6 1 4 Pig valve...
Page 19: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 19 Chaoda Group USA Co LTD...
Page 20: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 20 Chaoda Group USA Co LTD...
Page 21: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 21 Chaoda Group USA Co LTD 6 2 6 and above...
Page 22: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 22 Chaoda Group USA Co LTD...
Page 23: ...10633 W Airport Blvd STE 200 Chaoda Group USA Co LTD Tel 1 832 939 9944 Stafford TX 77477 Fax 1 832 939 9942 Page 23 Chaoda Group USA Co LTD...
Page 24: ...ollowing the right steps as per this manual 4 check for suitability of seat material and design 5 adjust the limit screw 6 disassemble and clean the metal seat 2 Gland leakage 1 loosening of gland nut...
Page 25: ...re in case of pneumatic operated valves 2 check performance or replace ball 3 ensure sufficient air pressure 6 Gear operator damage 1 Infrequent operation lack of lubrication 2 poor material of constr...
