This video will show you the difference between the Back Pressure Valve (BPV) & Two way Check Valve (TWCV)...more.

2023年12月5日 · Learn key differences between Back Pressure Valve (BPV) and Two-Way Check Valve (TWCV) so you can choose the right one for a particular operation. The table below show the comparison between Back Pressure Valve (BPV) and Two Way Check Valve (TWCV).

2015年1月10日 · 双向背压阀一般用于井口或采油树试压，试压介质不让进油管或地层；或者减少介质流失，缩短升压时间；或者是已射孔地层无法稳压。 1.这两种阀是同时使用还是换着使用的？ 2.相同规格的两种阀.它们的取送工具是否可以互用TWCV和BPV的问题==井控装置==井口/釆油树 (阀)石油机械论坛 - Petroleum Equipment Forum.

2025年1月13日 · It is important to explain the relationship between the concepts of BPV (Ball Pressure Valve) and TWCV (Through-Wall Control Valve) to clarify these terms’ functions in the oil and gas sector. This was about analysis and understanding of BPV (Ball Pressure Valve).

Type H Two-Way Check Valves (H TWCV), is designed to fit the same profile in the tubing hanger as back pressure valves (BPV). The two-way check valve holds pressure from both directions while allowing balance when required and is used to test the tree and blowout preventer (BOP) assembly. What are the differences between Type ‘H’ TWCV and ‘H’ TWCV?

2.4吊装带，牵引绳； 2.5监督签字的PTW和JSA；Solid Marker记号笔； 2.6安全带，钢丝绳套及脚手架或举升车，吊车，平板车；

bpv/twcv取出安全操作规程. 1人员准备. 1.1井队带班队长，井架工，场地工长，吊车司机. 2工具准备. 2.1lubricator； 2.2空气呼吸器3-4个，便携式h2s探测器及四合一气体探测器；

2016年3月26日 · TWCV - Two Way Check Valve. BPV - Back Pressure Valve. These are 2 types of the valves in the tubing hanger. TWCV - Check valve though which you still can pump in. Whereas BPV doesnt allow any operation, it holds pressure down to …

ItemComponent1Tubing Hanger Body2Nut3Gasket4Seal Ring5O-Ring6O-Ring. l BPV (Back pressure Valve). l BPV (Back pressure valve) derive from back pressure valve. It means that Valve have some functions to obtain some pressure. In fact,the pressure of back pressure valve can be adjusted.

G.B. Industy's type ‘H’ Back Pressure Valves (BPV) are used to safely seal tubing pressure up to 20,000 PSI during tree installation, remove the blowout preventer, and circulate fluid back down the tubing.