Intermediate stem positions are available limiting the disc travel and controlling the flow rate. The stop-check valve can then be used for isolation, regulation and prevention of backflow.

A stop-check valve is unique because it combines elements of both globe stop valves and check valves. Unlike a standard globe valve where the valve stem is fixed to the globe disc, in a stop-check valve, …

Tilting-disc inconel check valve Check valve symbol on piping and instrumentation diagrams. The arrow shows the flow direction. Vertical lift check valve A check valve, non-return valve, reflux valve, …

Jul 13, 2019 · A stop check valve is a combination of a lift check valve and a globe valve. It has a stem which, when closed, prevents the disk from coming off the seat and provides a tight seal (similar to a …

Open to allow air flow in one direction and close when flow stops or reverses. Choose from our selection of stop check valves, including over 90 products in a wide range of styles and sizes. Same and Next …

Jun 17, 2025 · Stop check valves are used in a wide range of industries. In the oil and gas industry, they're used in pipelines to prevent backflow and to isolate sections of the pipeline during maintenance.

Designed to leverage the ability to use pipeline fluid pressure to enhance sealing action with a pre-loaded graphite or metal gasket strategically placed between the body and hood. This design acts as …

Stop-check valve is a non-return or check valve with override control to stop flow regardless of flow direction or pressure. In addition to closing in response to backflow or insufficient forward pressure, it …

Apr 18, 2025 · A stop check valve works by automatically preventing backflow while also allowing manual shut-off for maintenance or isolation. In essence, it combines the functionalities of a check …

Stop check valves are used in industrial systems such as power generation, chemical processing, oil and gas, and manufacturing. They combine the functions of a stop valve and a check valve, allowing …