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| Place of Origin | China |
| Brand Name | KAKA |
| Certification | ISO9001,CE |
| Model Number | CGV-2005 |
gate valve kitz,, 3 inch gate valve,2inch gate valve, knife gate valve
Types:Description About Gate Valve
CGV-2005
| Materials: | HPB57-3 |
|---|---|
| Finising: | Brass Colour |
| Size: | 1/2", 3/4" 1"1-1/2", 1-1/4',2"2.1/2" 3" 4" |
| Temperature: | -10˚C-100˚C |
| Thread connection | BSP, NPT |
| Working pressure | 20 Bar |
| MOQ: | 1000pcs |
| Warranty: | 2 Years |
what is a gate valve used for
A gate valve is a type of valve used to control the flow of fluids, typically liquids, in a pipeline or plumbing system. It is named after the gate-like element inside the valve that can be raised or lowered to control the flow of fluid.
Gate valves are primarily used in applications where the complete start-stop flow control of the fluid is required. Here are some common uses of gate valves:
On-Off Flow Control: Gate valves are often used as isolation valves to completely shut off or allow the flow of fluid in a pipeline. They provide a tight seal when fully closed, minimizing leakage.
Large Flow Capacity: Gate valves are suitable for applications that require high flow capacity, such as water supply systems, industrial processes, and oil and gas pipelines.
Low Pressure Drop: Due to their full-bore design, gate valves typically have minimal resistance to flow, resulting in low pressure drop across the valve. This makes them ideal for applications where pressure loss needs to be minimized.
Bi-Directional Flow: Gate valves are capable of handling fluid flow in both directions. This makes them versatile for applications where the flow direction may change.
Non-Throttling: Gate valves are not suitable for regulating or throttling purposes because they are primarily designed for full open or full closed positions. Using gate valves for partial flow control can cause erosion and damage to the gate and the valve seat.
Water and Wastewater Systems: Gate valves are commonly used in water treatment plants, irrigation systems, and wastewater treatment facilities to control the flow of water and other fluids.
It's important to note that gate valves are typically used in applications where infrequent operation is expected. They are not recommended for applications that require frequent opening and closing or precise flow control.
Gate Valve detail
Construction: Gate valves consist of a body, a gate or disc, a stem, and a bonnet. The body houses the gate and provides a passage for the fluid. The gate is a rectangular or wedge-shaped element that moves up or down to control the flow. The stem connects the gate to the actuator, allowing the gate to be raised or lowered. The bonnet provides a seal and protects the stem and the internal components.
Operation: Gate valves are operated by manually turning a handwheel or by using an actuator, such as an electric, pneumatic, or hydraulic actuator. When the handwheel or actuator is turned, the stem moves, raising or lowering the gate to control the flow.
Types of Gate Valves:
Rising Stem Gate Valve: In this type, the stem moves up and down as the gate is raised or lowered, providing a visual indication of the valve position.
Non-Rising Stem Gate Valve: In this type, the stem does not move visibly when the gate is raised or lowered. These valves are suitable for applications with limited space.
Wedge Gate Valve: The gate in a wedge gate valve has a wedge-shaped disc, providing a tight seal when the gate is in the closed position. This design is commonly used for high-pressure applications.
Seat and Sealing: Gate valves have metal-to-metal sealing between the gate and the valve seat. The sealing surfaces can be made of materials such as stainless steel, bronze, or other alloys to provide a tight shut-off. Soft-seated gate valves are also available, where the gate and seat have a layer of elastomer or resilient material for enhanced sealing.
Limitations:
Not Suitable for Throttling: Gate valves are designed for on/off flow control and are not ideal for regulating or throttling purposes.
Slow Operation: Gate valves typically require multiple turns of the handwheel or actuator to fully open or close, making them slower to operate compared to other valve types.
Gate valves are widely used in various industries, including oil and gas, water treatment, chemical processing, power plants, and many more, where reliable shut-off and high flow capacity are required.
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Q: How long is your product guarantee period?
A: We have Two years guarantee and 24 hours full-time service.
Q: What is your MOQ?
A: Normal Each Items 3000pcs MOQ.
Q: Can you accept OEM,ODM?
A: we accpet OEM.
Q: How long is your delivery time?
A: 30-35 days After Confirm Order
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