Wedge Gate Valve

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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