
Wedge Gate Valve
Gate valve is a type of water stop valve used to control the flow of liquid or gas in pipelines. Its structure mainly consists of a valve body, a gate, a control mechanism, and a sealing device. The gate is a key component of a gate valve, and its movement determines the opening and closing of the valve and the flow rate of fluid.
General description
1,Definition and Structure
Gate valve is a type of water stop valve used to control the flow of liquid or gas in pipelines. Its structure mainly consists of a valve body, a gate, a control mechanism, and a sealing device. The gate is a key component of a gate valve, and its movement determines the opening and closing of the valve and the flow rate of fluid.
2, Working principle
Gate valves achieve flow control by moving the gate up and down to change the cross-sectional area of the pipeline. When the valve is closed, the gate plate comes into contact with the valve seat casting, and the medium is prevented from entering and exiting through a sealing device. When the valve opens, the gate rises upwards, allowing the medium in the pipeline to flow smoothly. Therefore, gate valves can achieve reliable sealing and opening.
3. Applied standards
Cast steel gate valve designing as per API 600/API 6D
Cast steel gate valves as per ISO 10434/ISO 14313
Cast steel gate valves as per ASME B16.34
Face to face as per ASME B16.10
Flange ends as per ASME B16.5/ASME B16.34
Butt-welding ends as per ASME B16.25
Inspection and test as per API 598/API 6D
4
.Designing features
OS&Y,
Bolted bonnet ,
Flexible wedge, with pilot
Solid or split wedge
Renewable seat
Forged T-shape stem
Rising stem and non-rising handwheel
Flanged or butt-welding ends
Bevel gear, electric actuator,
and hydraulic actuator.
5. Specification
NPS 3/8"-42",
Pressure 150lb-2500LB
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