The Hub Clamps are designed and manufactured according to API Spec 16A and different from all other API equipment in regard to design and hydrotest. Clamps serve as fasteners similar to bolts, they do not come in contact with well fluid, and they may connect several API specified connectors having different nominal sizes and working pressures.
The Hub Clamps is used to connect the wellhead equipment with high pressure
Application with below drilling equipment
Spools
Blowout Preventers
Choke and Kill Manifolds
Technical parameter of NO. 18 Hub Clamp - No. 28 Hub Clamp
| CLAMP NO. | NOMINAL BORE | WORKING PRESSURE (PSI) | RING GASKET | BOLT SIZE |
| 18 | 203/4 | 2.000 | RX73 | 2 1/4-8UNX 20 |
| | 203/4 | 3,000 | RX73 | 2 1/4-8UNX 20 |
| | 211/4 | 2.000 | RX73 | 2 1/4-8UNX 20 |
| | 211/4 | 2.000 | RX73 | 2 1/4-8UNX 20 |
| 19 | 163/4 | 5.000 | BX162 | 2 1/2 -8UNX 23 1/2 |
| | 163/4 | 5,000 | RX65 | 2 1/2 -8UNX 23 1/2 |
| | 163/4 | 5,000 | BX161 | 2 1/2 -8UNX 23 1/2 |
| 20 | 30 | 1,000 | SPCL | 1-5/8UNX 17 1/2 |
| 22 | 71/16 | 15,000 | BX156 | 2 1/4-8UNX 18 |
| | 11 | 10,000 | BX158 | 2 1/4-8UNX 18 |
| 25 | 71/16 | 2.000 | RX45 | 7/8 -9UNX 8 1/2 |
| 26 | 183/4 | 15,000 | BX164 | 4-8UNX 35 |
| | 211/4 | 10,000 | BX166 | 4-8UNX 35 |
| 27 | 183/4 | 10,000 | BX164 | 3 1/4-8UNX 26 1/2 |
| | 211/4 | 5.000 | BX165 | 3 1/4-8UNX 26 1/2 |
| 28 | 11 | 20.000 | BX158 | 3-8UNX 24 1/4 |
| | 135/8 | 15,000 | BX159 | 3-8UNX 24 1/4 |
| | 163/4 | 10,000 | BX162 | 3-8UNX 24 1/4 |
About JC Wellhead
Yancheng 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, and ZZ TOP Oil Tools is the certified supplier for SGS Gulf, Oilserv, PSA, OKDC, PRA etc for mainly exporting business.
Product scope
Wellhead valves: Gate Valves, Plug Valves, Choke Valves, Check Valves, Mud Valves and various wellhead valve parts etc.
Wellhead Manifold: Choke and Kill Manifold, Drilling Floor Manifold, Fracturing manifold, Well Testing Manifold.
Wellhead Equipment: Wellhead Christmas Tree / X-Tree, Casing Head, Casing Hanger, Tubing Head,Tubing Hanger, Casing Spool, Tubing Spool, Drilling Spool etc.
Wellhead Adapter: Spacer Spool / Riser Spool ,Flange Adapter, Union Flange, Double Studded Adapter Flange, Welded Neck Flange, Blind Flange,Companion Flange, Instrument Flange,
Wellhead Clamp & Hub etc.
Wellhead Integral Fittings: Hammer Union, Elbow, Swivel Joint, Block Cross, Block Tee, Straight Pipe, Pipe Loops etc.
Well Pressure Control Equipment: Annular BOP, RAM BOP, Sucker Rod BOP etc
Welcome to contact us for more information!
