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API Spec 6A Wellhead Stainless Steel Swing One Way Check Valve

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API Spec 6A Wellhead Stainless Steel Swing One Way Check Valve

Technical Parameters


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

Product 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 adopts the process of hardness limit so the valve is able to be used in H2S condition.

Features

(1). Sealing is energized by flow fluid pressure, sealing performance gets better while pressure increasing.

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

(3). Integral forged body with fine mechanical properties.

(4). Check valve shall be hydro tested prior to delivery for sale performance.


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