Gunmetal gate valve Description
Gunmetal gate valve is a shutoff valve made of bronze alloy as the main material. It is widely used in industrial pipeline systems. The full opening or closing control of pipeline media is achieved by vertical lifting of the gate. The valve body and valve cover are usually made of bronze (such as tin bronze and aluminum bronze), while the gate can be made of wear-resistant materials such as stainless steel or chrome-molybdenum steel to enhance performance.
Features and advantages
Strong corrosion resistance
Bronze material naturally resists corrosion from a variety of chemical media (such as acid and alkali) and is suitable for corrosive environments such as chemical and oil pipelines.
High sealing reliability The gate and valve seat sealing surfaces are often welded with wear-resistant alloys (such as 1Cr13 and STL6) to ensure bidirectional sealing and extremely low leakage rate.
Easy and flexible operation
The gate is lifted and lowered perpendicular to the direction of the fluid, which saves effort when opening and closing, and the flow direction of the medium is not restricted, without disturbing the flow or reducing the pressure.
Long service life
Bronze alloy and enhanced sealing design extend the life of the valve and are suitable for long-term stable operation conditions.
Simple structure and easy maintenance
Compact shape, mature manufacturing process, low maintenance cost, and support for top-loading design (convenient for high-pressure and large-diameter maintenance).
Gunmetal gate valve specification
| Type | Features | Applications |
|---|---|---|
| Flanged bronze gate valve | Flange connection, the sealing surface can be designed in five forms: smooth, concave and convex, conical surface, etc. | Water conservancy projects (such as the South-to-North Water Diversion Pipeline) |
| Threaded bronze gate valve | Threaded connection, compact and light, but only used for full open/close, avoid slight opening to prevent erosion of the sealing surface | Small pipes or low pressure systems |
| Nickel Aluminum Bronze Gate Valve | Adding nickel and aluminum elements to improve high temperature wear resistance (temperature resistance ≤ 650°C), suitable for medium containing particles | Mining, metallurgy and other harsh working conditions |
Gunmetal gate valve
Applications
- Petrochemical: Crude oil transportation, reactor feed control, corrosion resistance ensures safe operation.
- Water conservancy projects: dikes, water diversion projects (such as the Yellow River management), key equipment for water flow interception.
- Municipal and shipbuilding: Water supply networks, ship pipelines, using bronze's seawater corrosion resistance.
- Industrial general: Clean media pipelines such as pharmaceuticals and food processing, because of low fluid resistance and no pollution risk.
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