The companion flange is a sort of wellhead flange adapter conformed with API 6A specification, it is also named threaded flange. The companion flange is used to correspond to another flange and having bolt holes that align with another flange is a trait of this type of flange. The companion flange is applied for pipelines, a plumbing system and wellhead christmas tree, it is attached to the flange of another pipe,then they are assembled together and fit tightly between the two flange, and the threaded end is used ona plastic pipe when adding a threaded iron pipe into the pipeline. The companion flanges are available in sizes from 1-13/16" to 26-3/4" and working pressure up to 20000PSI.
Specification of API 6A companion Flange
| Nominal Bore Size | 1-13/16" ,- 4-1/16" |
| Working pressure | 2000 PSI - 15000 PSI |
| Standards | API 6A, API 16C |
| Material Class: | AA, BB, CC, DD, EE, FF, HH |
| Temp Class: | L, P, R, S, T, U, V |
| Performance Requirement: | PR1, PR2 |
| Product Specification Level: | PSL1, PSL2, PSL3, PSL3G, PSL4 |
| Material Standard | NACE MR0175 |
| Working Medium: | Oil, Natural Gas, Water, Mud, Gas containing H2S, CO2 |
| Application: | Surface Manifold, Wellhead Christmas Tree |
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.
In 2012, JC wellhead jointed with ZZ TOP Oil Tools, and found the office in Xi'an mainly engaged in abroad marketing, through these years of efforts, our wellhead equipment is exported to many countries, such as Thailand, UAE, Iran, Brazil, Argentina, USA etc. and enjoyed good reputation from the customers.
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, companion flange, double studded adapter falnge, weld neck flange, blind 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 etc
JCWellhead's advantage:
* High in Quality
* Moderate in Price
* Promote in Shipment
* Inspection System Control and Best Service
