XI‘AN ZZTOP OIL TOOLS CO.，LTD
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API 6A Wellhead Check Valve 2 9 / 16" x 5000psi Dart Type
The Check valve is a kind of wellhead valve manufactured conform to API 6A, mainly used to separate drilling liquid and fluid. The Dart Check Valve is one type of check valve used in oil well flow control service, it is installed inside the high pressure piping in order to prevent liquid backstreaming by self-closing baffle. When the liquid flows along with the arrow direction, liquid will push the valve plate and open the valve and let the liquid in. on the contrary, valve plate will cover the valve seat and make it sealed.
Features of the Wellhead Dart check valve
* The body of check valve is forged by high strength alloy steel with high structure strength
* It is Convenient to assemble and disassembled the check valve
* The check valve with good sealing performance
* The check valve with long service life
Specification of the wellhead dart check valve
| Specification | Cold working pressure | Terminal connection type | model | |
| 2"Check Valve | DXF70-2"×2" | 70Mpa(10000psi) 105Mpa(15000psi) | fig1002 fig1502 | M×M M×F F×F |
| DXF105-2"×2" | ||||
| 3"Check Valve | DXF70-3"×3" | |||
| DXF105-3"×3" | ||||
| Note: "F"-threaded joint,"M"-sphere joint | ||||
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
JC wellhead 's advantage:
* Excellent and stable quality of the products conformed with API and ISO standard
* Strict quality control on raw material and machining, we can arrange the SGS or BV to witness the test
* We supply various wellhead products to meet the customers' operation.
* Timely delivery, professional service on export procedure,
* Product guarantee and best after-sales service.
YCJC will constantly insist on the innovation of products, technologies and system and strive for providing the excellent products and services for our customers. We are sincerely welcome you to work together.