The Weld Neck Flanges in Type BX gasket is manufactured and tested in accordance with API 6A specification. The weld neck flange adatper is the part of wellhead connection equipment.The BX weld neck flanges have restricted bores to match standard pipe sizes and schedules.The Flange end meet the requirements of API 6A Ring groove BX Type.
Features of Wellhead Adapter Flange
* Made from high-strength alloy and processed specially with heating treatment.
* Applied for Hydrogen sulfide H2S resistant servicewith reference to NACEMR-0175 specifications.
* The wellhead adapter flange can be available as per customers' requirements.
Specification of wellhead Welded Neck Adapter Flange
| API pressure Rating | Flange | Ring Groove | Bolt Studs |
| Nominal Size inch | O.D (A) Inch | Height T Inch | G inch | E inch | Ring No. | D inch | No. | Size inch |
| 5000psi BX Gasket | 13 5/8 | 26 1/2 | 4 7/16 | 16.063 | 0.786 | BX-160 | 23 1/4 | 16 | 1 5/8* 12 1/2 |
| 16 3/4 | 30 3/8 | 5 1/8 | 18.832 | 0.705 | BX-162 | 26 5/8 | 16 | 1 7/8*14 1/2 |
| 18 3/4 | 35 5/8 | 6 17/32 | 22.185 | 1.006 | BX-163 | 31 5/8 | 20 | 2*17 1/2 |
| 21 1/4 | 39 | 7 1/8 | 24.904 | 1.071 | BX-165 | 34 7/8 | 24 | 2*18 3/4 |
| 10000PSI BX Gasket | 1 13/16 | 7 3/8 | 1 21/32 | 3.062 | 0.466 | BX-151 | 5 3/4 | 8 | 3/4*5 |
| 2 1/16” | 7 7/8 | 1 47/64 | 3.395 | 0.498 | BX-152 | 6 1/4 | 8 | 3/4*5 1/4 |
| 2 9/16” | 9 1/8 | 2 1/64 | 4.046 | 0.554 | BX-153 | 7 1/4 | 8 | 7/8*6 |
| 3 1/16” | 10 5/8 | 2 19/64 | 4.685 | 0.606 | BX-154 | 8 1/2 | 8 | 1*6 3/4 |
| 4 1/16” | 12 7/16 | 2 49/64 | 5.930 | 0.698 | BX-155 | 10 3/16 | 8 | 1 1/8*8 |
| 5 1/8” | 14 1/16 | 3 1/8 | 6.955 | 0.666 | BX-169 | 11 13/16 | 12 | 1 /18* 8 3/4 |
| 7 1/16” | 18 7/8 | 4 1/16 | 9.521 | 0.921 | BX-156 | 15 7/8 | 12 | 1 1/2* 11 1/4 |
| 9” | 21 3/4 | 4 7/8 | 11.774 | 1.039 | BX-157 | 18 3/4 | 16 | 1 1/2*13 |
| 11” | 25 3/4 | 5 9/16 | 14.064 | 1.149 | BX-158 | 22 1/4 | 16 | 1 3/4*15 |
| 13 5/8” | 30 1/4 | 6 5/8 | 17.033 | 1.279 | BX-159 | 26 1/2 | 20 | 1 7/8* 17 1/4 |
| 16 3/4” | 34 5/16 | 6 5/8 | 18.832 | 0.705 | BX-162 | 30 9/16 | 24 | 1 7/8*17 1/2 |
| 18 3/4” | 40 15/16 | 8 23/62 | 22.752 | 1.290 | BX-164 | 36 7/16 | 24 | 2 1/4* 22 1/2 |
| 21 1/4 | 45 | 9 1/2 | 25.507 | 1.373 | BX-166 | 40 1/4 | 24 | 2 1/2* 24 1/2 |
| 15000psi BX Gasket | 1 13/16 | 8 3/16 | 1 25/32 | 3.062 | 0.466 | BX-151 | 6 5/16 | 8 | 7/8* 5 1/2 |
| 2 1/16” | 8 3/4 | 2 | 3.395 | 0.498 | BX-152 | 6 7/8 | 8 | 7/8*6 |
| 2 9/16” | 10 | 2 1/4 | 4.046 | 0.554 | BX-153 | 7 7/8 | 8 | 1* 6 3/4 |
| 3 1/16” | 11 5/16 | 2 17/32 | 4.685 | 0.606 | BX-154 | 9 1/16 | 8 | 1 1/8* 7 1/2 |
| 4 1/16” | 14 3/16 | 3 3/32 | 5.930 | 0.698 | BX-155 | 11 7/16 | 8 | 1 3/8* 9 1/4 |
| 7 1/16” | 19 7/8 | 4 11/16 | 9.521 | 0.921 | BX-156 | 16 7/8 | 16 | 1 1/2* 12 3/4 |
| 9” | 25 1/2 | 5 3/4 | 11.774 | 1.039 | BX-157 | 21 3/4 | 16 | 1 7/8* 15 3/4 |
| 11” | 32 | 7 3/8 | 16.064 | 1.149 | BX-158 | 28 | 20 | 2*19 1/4 |
| 13 5/8” | 34 7/8 | 8 1/16 | 13.033 | 1.279 | BX-159 | 30 7/8 | 20 | 2 1/4* 21 1/4 |
| 18 3/4” | 45 3/4 | 10 1/16 | 22.752 | 1.290 | BX-164 | 4 | 20 | 3 * 26 3/4 |
| 20000PSI BX Gasket | 1 13/16 | 10 1/8 | 2 1/2 | 3.062 | 0.466 | BX-151 | 8 | 8 | 1*7 1/2 |
| 2 1/16” | 11 5/16 | 2 13/16 | 3.395 | 0.498 | BX-152 | 9 1/16 | 8 | 1 1/8*8 1/4 |
| 2 9/16” | 12 13/16 | 3 1/8 | 4.046 | 0.554 | BX-153 | 10 5/16 | 8 | 1 1/4* 9 1/4 |
| 3 1/16” | 14 1/16 | 3 3/8 | 4.685 | 0.606 | BX-154 | 11 5/16 | 8 | 1 3/8*10 |
| 4 1/16” | 17 9/16 | 4 3/16 | 5.930 | 0.698 | BX-155 | 14 1/6 | 8 | 1 3/4* 12 1/4 |
| 7 1/16” | 25 13/16 | 6 1/2 | 9.521 | 0.921 | BX-156 | 21 13/16 | 16 | 2 * 17 1/2 |
| 9” | 31 11/16 | 8 1/16 | 11.774 | 1.039 | BX-157 | 27 | 16 | 2 1/2*22 3/8 |
| 11” | 34 3/4 | 8 13/16 | 14.064 | 1.149 | BX-158 | 29 1/2 | 16 | 2 3/4*23 3/4 |
| 13 5/8” | 35 3/4 | 11 1/2 | 17.033 | 1.279 | BX-159 | 40 | 20 | 3 1/8*30 |
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 and various wellhead manifold.
JCWellhead's advantage:
* High in Quality
* Moderate in Price
* Promote in Shipment
* Inspection System Control and Best Service
Welcome to contact us for more information!
