Forging Type Oil Drilling Wellhead Assembly 2-1/16" API 6A for Check Valve

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Product origin: Huai'an, Jiangsu, China

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US$ 500 ~ 1000

Description

Forging Type Oil Drilling Wellhead Assembly 2-1/16" API 6A for check valve

Check Valves are installed in high pressure lines to stop reverse flow by the automatic close of flapper or dart. Flapper check valves include top-entry check valves and in-line flapper check valves, which allow fluids to flow towards the wellbore and prevent flowing backwards. For dart check valves, the flow will open the dart by overcoming the small spring force. When the flow runs in opposite direction, the spring will push the dart against the seat retainer to prevent reverse flow. We provides both standard and reverse-flow check valves. And we have also developed check valves for sour service in accordance with NACE MR0175.

Product name	Check Valve
Working pressure	2000-20000 PSI
Nominal bore	1 13/16"~7 1/16" (46mm~180mm)
Working medium	oil,natural gas,mud and gas containing H2S,CO2
Working temperature	-46ºC-121ºC
Specification level	PSL 1- PSL4
Performance requirement	PR 1-2
Material class	AA,BB,CC,DD,EE,FF,HH
Manufacture standard	API Spec 6A

Lift Check Valve are spring return type unidirectional valves with guide rod for reliable sealing. Designed for use in high pressure mud choke manifold, high pressure Christmas Tree, choke and killlines, it is available with rated pressure of 2,000~ 20,000psi and size of 1-13/16"~7-1/16".

Size: 1-13/16" ~ 7-1/16"
W.P.: 2,000 ~ 15,000psi

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