Wellhead Swing One Way Check Valve

Optional Features

Low alloy Steel or stainless Steel valve body

Regular Bore, Full bore

Swing or Lifting Type

Trim AA, BB, CC, DD, EE, FF

Sealing is energized by flow fluid pressure, sealing performance gets better while pressure increases.

Hard-faced sealing surface and sulfur-resistant core material assure fine performance of wear-resistant and corrosion-resistant.

Integral forged body with fine mechanical properties.

Check valve shall be hydro-tested prior to delivery for sale performance.

Description:

Check valve creates the metal-to-metal seal by the pressure of the medium, the more the pressure is, the better the sealing effect is. Anytime the valve chamber can bear the pressure of the pipeline. The sealing face between valve core and valve body is welded with hard alloy with good abrasion resistance and anti-scour;the valve core is made of sulfide-resistance steel and the others adopt the process of hardness limit so the valve is able to be used in H2S condition. Check valve is designed and produced entirely according to the requirements of API 6A <Equipment Specifications for Wellhead and Christmas Tree>, able to be used interchangeably with corollary equipment at home and abroad that is in line with API 6A Standard.

Applications

Used for for the prevention of back flow in high pressure and/or high temperature mud lines, choke & kill manifolds and Christmas tree injection and kill lines.

Sheet

item	Component
1	Nut
2	Stud
3	Bonnet
4	Bonnet (Gasket
5	Spring
6	Packing box
7	Sealing ring
8	Seat
9	Body
10	Dust sealing ring
11	Lock Screw
12	Bottom cap
13	Screw

Specification

Product Name	Check  Valve
Working Pressure	2000 PSI~20000 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 16CNACE-MR0175
Product Specification Level	PSL    1~PSL4
Performance Requirement	PR  1~PR  2
Paint Color	Red or Customized
Application	Mud Choke ManifoldKill Manifold Wellhead Christmas Tree Connection