Product Description

The Solid Wedge Gate Valve provides reliable full-open and full-close operation, preventing backflow and isolating flow in high-pressure and high-temperature pipelines.

Key Features

Solid Wedge Design
Single or double wedge provides reliable sealing for pressures up to 2500 LB, reducing leakage risk.
Reduced Stress on Pipelines
Gradual wedge motion lowers pipeline stress and prevents sudden pressure spikes.
Full Flow Passage
Straight-through design minimizes pressure drop, ensuring efficient fluid transport.
Backflow Prevention
Tight wedge closure stops reverse flow, maintaining upstream system stability and safety.

Customization Services

Materials	WCB, F51, 304/316 SS, Inconel; optional wear-resistant coatings for high-pressure or abrasive media.
Size & Pressure	DN15–DN1200 (1/2"–48"), 150–2500 LB; full or reduced bore to match pipelines.
Connections	Flanged, butt-weld, socket-weld; ANSI/DIN/JIS/GB standards supported.
Actuators	Manual, worm gear, electric, pneumatic, hydraulic; flexible operation options.
Special Options	Fire-safe, anti-explosion, corrosion-resistant, thermal-insulated, emergency lubrication ports.

Applications

Oil & Gas：Used in upstream and downstream pipelines to isolate sections, control flow, and prevent backflow.

Chemical Industry：Directs fluids in reactors, storage tanks, and multi-path pipelines for safe process control.

Power Plants：Controls steam, fuel, and cooling water lines for safe boiler operation and maintenance.

Water Treatment：Isolates sections of supply, drainage, and wastewater pipelines for maintenance and flow regulation.

FAQ

Q: How does a Solid Wedge Gate Valve operate?

A: When open, the wedge rises above the seat, allowing fluid to flow freely. To close, the wedge moves downward along the seat, sealing tightly to stop the flow completely.

Q: Can a Solid Wedge Gate Valve rust?

A: Rust depends on the valve body material and environment. Carbon steel or non-corrosion-resistant materials can rust in humid, acidic, or alkaline conditions. Stainless or alloy materials reduce this risk.

Q: How can rust be prevented?

A: Choose valve body and sealing materials suited for the fluid and environment. Avoid prolonged exposure to moisture or corrosive conditions, or use protective coatings and shields when necessary.

Q: What testing standards are followed?

A: API 598, DIN3230, ASME B16.34, and project-specific testing requirements can be met.

Q: How is after-sales support handled?

A: We provide technical guidance, spare parts supply, and responsive support to ensure valve performance and system reliability.

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