The Top-entry check valve is designed and manufactured according to API 6A specification. The top-entry check valve is a sort of flapper type check valve, it is forged by hight strength alloy steel AISI4130 75ksi. The top-entry check valve is applied for stopping the return flow from high pressure piping. JC wellhead is able to supply the top-entry check valve in size 2 inch and 3 inch,15,000psi working pressure,with fig1502 hammer union end connection or Fig602. The check valve can be used in Mud Choke Manifold, Kill Manifold, Wellhead Christmas Tree Connection.

Features of Top Entry Flapper Type check valve

* The top entry flapper type check valve is made of alloy steel AISI4130 forging.
* Simple structure of the top entry check valve make it easy for installation, and the internal parts of checkd valve can be inline changed
* The flapper type check valve with top entry design is featured with clear flow direction inditification mark.

Technical parameter of wellhead check valve

* Type of check valve: Swing Check Valve, Top-entry check valve, Flapper type check valve

* Nominal Bore: 1-13/16" - 7-1/16"

* Material: AISI 4130 (Integral Forged)

* End Connection: API 6A Flange

* Pressure Rating: 2000 PSI to 15000 PSI

* Material Class: AA, BB, CC DD, EE, FF

* Temp Class: L, P, R, S, T, U, V

Performance Requirement: PR1, PR2

Product Specification Level: PSL1, PSL2, PSL3, PSL4

Specification of Top Entry Flapper Type check valve

About JC Wellhead

Jingcheng Petroleum Machinery Manufacturing Co.,Ltd was established in 2008, as th registered supplier for CNPC, GWDC, CCDC in China. we are specialized in design and manufacturing of the oilfield wellhead equipment.

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

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.