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.

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

2025年1月13日 · A through-wall Control Valve or TWCV is basically a category of control valves used for flow control and interrupting applications in a process line. Unlike most valves that operate by building a barrier across the flow channel, TWCV have a through-wall design, with the stem of the valve intruding through the body and having direct contact with ...

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.

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 …

4.12缓慢打开采油树闸门，防止压力猛然进入lubricator顶坏BPV；当听到刺一声时说明压力进入lubricator，这时观察lubricator与采油树的连接是否泄漏，确保连接密封可靠，观察压力稳定后，将闸门全部打开到位；

Make sure you’re completely covered onsite with a Type H BPV and TWCV field kit from Heshka Oil. It’s the first kit of its kind that’s compatible with Type H back pressure valves and Type H two way check valves. The kit can be used for in field repairs or testing.

Shallow threads on the ‘H’ Back Pressure and Two-Way Check Valves provide strength for extreme pressure with minimum reduction in bore size, providing a passage of API drifts for the size of the tubing suspended. ‘H’ BPV and TWCV Benefits: Ranging in sizes from 2” to 6-5/16” OD and available in all API material trims

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 …

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.