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Back-Pressure Valve System
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Back-Pressure Valve System
The Kingwell Back-Pressure Valve System is designed primarily for use in Xmas Tree Wellhead Tubing Hangers. This back-pressure valve can be used in conjunction with Nipple Profile. This Back-Pressure Valve has several special features. It has two external packing stacks, one internal packing stack, two internal MTM seals, three shear pin hold-down features, a knockout plug feature, and O-rings in the packing stacks. This back-pressure valve is a high-pressure top no-go lock system. The top no-go provides a position locating means to simplify running procedures and eliminate mis-runs. The back-pressure valve is designed such that pressure from above and below is held by key/nipple engagement. This assembly is designed for H2S service, has Teflon/PEEK packing, Chemraz O-rings, and meets the requirements of NACE MR-01-75.
Features and Benefits
Application for tubing hangers and Xmas Tree
Top No-Go locator feature
Simply running and retrieving
Reduce cost and time of service
Using slickline to install
Metal to Metal seal feature
Can used in other landing nipples
High pressure seal stack, standard for 10,000psi
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