* The pup joint with union connection is more secure and reliable;
* Easy and quick assembling and disassembling of pup joint;
* The pup joints are manufactured in high strength and low weight
* Each technical parameters and performances of pup joints conform to standards of API Spec 6A and API 16C.
Specification of straight pipe
| Type of pup joint | Buckle model | Working environment | Szie |
| Pressure thread sealing pup joint | Tr100x12 | 1 1/2" |
| Non-pressure thread sealing pup joint | Tr110x8 | 2" |
| Integral pup joint | Union head fig602 | 42Mpa(6000psi) | 3" |
| Anti-sulfur integral pup joint | Union head fig1002 | 70Mpa(10000psi) | 4" |
| Welding pup joint | Union head ffig1502 | 105Mpa(15000psi) | |
| Welding flange pup joint | Flange | 2 1/16" |
| 2 9/16" |
| 3 1/16" |
| 3 1/8" |
| 4 1/16" |
About JC Wellhead
Jingcheng Petroleum Machinery Manufacturing Co.,Ltd was established in 2008, we are specialized in design and manufacturing of the oilfield wellhead equipment. We - YCJC are a registered supplier for CNPC, GWDC, CCDC in China.
With profession engineers we also offer the R&D service to the clients who have special requirements in the oilfield drilling operation and production operation.The wellhead equipment we manufacture and supply include casing head, tubing head, casing spool, tubing spool, Gate valve, Choke valve, Check valve, X-mas tree, VR plug, Tubing hanger, casing hanger, Running tool, Wear bushing, spacer spool, flange adapter, union flange, Hammer union, Elbow, swivel joint, block cross, Block Tee, companion flange, instrument flange, weldneck flange, FC gate, FC seat, FC stem, API Clamp, API Clamp Hub
Welcome to contact us for more information!!
