2023年12月5日 · Two Way Check Valve (TWCV) A two-way check valve serves as a back pressure valve, designed to provide a seal in both directions. It is employed for testing Blowout Preventers (BOPS) and the tree during the initial connection.

Type H Two-Way Check Valves (H TWCV), is designed to fit the same profile in the tubing hanger as back pressure valves . The two-way check valve holds pressure from both directions while allowing balance when required and is used to test the …

A two-way check valve allows the source applying the higher pressure to shift the shuttle so that the higher pressure will be directed to the delivery port. With this piping arrangement, the vehicle can have a failure in either circuit without the spring brakes applying auto matically.

2010年6月1日 · An explanation of how a two way check valve works in the air brake system. Created by the Fanshawe College School of Motive Power Technology and the LO Studio.

Two – Way Check Valve Commonly used for applications with dual inlet pressures to a single outlet pressure Allows the greater air pressure from either inlet port to flow through the outlet port

Our Cameron® style two-way check valves fit the same profile as the back pressure valves. It holds pressure from both the well and tree sides and allows for equalization when required. Our two-way valves are used extensively for testing of the Christmas tree.

FibroPool Swimming Pool Check Valve - 2 Inch - 2 Way - Positive Seal & Non Lube Replacement Valve for Pools and Spas

The 596 Series of Two Way Check (Shuttle) Valve is manufactured with a heavy-duty corrosion-resistant iron housing. It is equipped with a total of three ports, two inlets and one outlet. This porting allows for quick change-over from desired inlet conditions to the outlet valve side.

Diaphragm Type Two-Way Check Valve. Not position sensitive, may be mounted in any position. Can be used in place of ball or shuttle types. Use when two valves must independently control or supply one system. Approximate Weight .3 lbs. Notes. Repair Kit use part number RN11V.

At Heshka Oil you’ll find type H two way check valves for sale that can be installed in the tubing hanger to allow the Christmas tree to be tested. The two way check valve allows pressure to be equalized above and below the seal, ensuring safe removal from the tubing hanger.