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API 6A Wellhead Check Valve / Non-Return Valve
Product Overview
The Top-entry check valve is a kind of flapper type check valve, it is forged by hight strength alloy steel AISI4130 75ksi, and used to stop the return flow from high pressure piping,The top-entry check valve are available in size 2 inch and 3 inch,15,000psi working pressure,with fig1502 hammer union end connection or Fig602.
Bonnet is connected with valve body with bolt. The seals include the sealing ring in the bonnet and the seal in the valve body, which makes a very small gap between valve body and bonnet, thus minimizing corrosion of corrosive medium to bolt and screw hole and reducing bolt loading.
Operation instruction
According to medium flow direction and by the flowdirection
indicating plate of the valve, the valve isinstalled. As positive
flowing, The medium lifts the valvecore and pass easily; If no
positive medium pressure,valve core will self-shut off valve gate
under self-weightand spring's tensile force, the back medium
flowing stop.
Maintenances of TR Wellhead Check Valve
Technical Data of Wellhead Check Valve
Product Name | Check Valve |
Working Pressure | 2000 psi~15000 psi |
Nominal Bore | 1 13/16”~7 1/16” |
Temperature Level | K, L, P, R, S, T, U |
Working Medium | oil, Nature gas, mud |
Material | AISI 4130 (Integral Forged) |
Body Material | Carbon Steel, Stainless Steel |
Material Class | AA, BB, CC, DD, EE, FF |
End Connection | API 6A Flange |
Standards | API 6A, API 16C NACE-MR0175 |
Product Specification Level | PSL 1~PSL 4 |
Performance Requirement | PR 1~PR 2 |
Paint Color | Red or Customized |
Application | Mud Choke Manifold Kill Manifold Wellhead Christmas Tree Connection |
Xi'An TianRui Petroleum Machinery Equipment Company is a professional manufacturer of drilling equipments and tools which is located in xi'an City, the centre of the triangle of Beijing, Tianjin and Shijiazhuang, enjoying convenient transportation.
Through the past ten years, our company has already established a
deep strategic cooperation relation with domestic suppliers who
specilizes in oil drilling equipments, and become the top level
supplier of some well known large or medium sized SOEs such as CNPC
and Sinopec. The products made by our company are exported to
Europe, America, the Middle East, North Africa and Southeast Asia
and other regions, because of which, we enjoy widespread praise
among customers at home and abroad. Our mainly products: drilling
rig parts, drilling equipment, solid control system, wellhead
equipment, fishing tools, cementing tools. All the productions is
within the standard of API and authorized by ISO9001:2000.
Competitive Advantages
1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international
brands.
6. Our products have been exported to Argentina, Egypt, US,
Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India,
Indonesia, Vietnam, Malaysia and many other countries.