Quick Closing Flat Gate Valve

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1. It has the advantages of simple and compact structure, reasonable design, reliable sealing, light and flexible operation, small size, smooth channel, low resistance, easy installation and easy disassembly.

2. When the valve is fully opened, the flow resistance coefficient is very small, and the valve will eliminate the function of the valve disc and the dirt on the sealing surface every time the valve is opened and closed.

3. The packing is made of flexible graphite ring and graphite packing, reliable sealing, light and flexible operation.

4. It is widely used in oil and water steam pipelines such as petrochemical industry and thermal power plants to connect or cut off the intermediate quality of pipelines. The sealing surface of the opening and closing device has compact structure and reasonable design.

• Our service tenet is customer first, service first. We will provide more accurate and efficient manufacturing and service according to customer requirements.
• We have a professional QC team to ensure that the products in Quick closing flat gate valve meet your needs and do better.
• Check raw materials before production at Quick closing flat gate valve.
• Spot checks are carried out during the processing of Quick closing flat gate valve.
• 100% inspection of Quick closing flat gate valve before shipment.
• Provide a one-year service for the products provided by Quick closing flat gate valve to create value for customers.

• We have complete production technology and management.
• As a manufacturer our price is also good.

To be packed in suitable wooden cases as per client's

Q: What is a water hammer?

A: Water hammer is a sudden power failure or when the valve is closed too fast, due to the inertia of the pressure water flow, resulting in a water shock wave, just like a hammer beating, so it is called water hammer. The force generated by the water shock wave back and forth, sometimes large, can break valves and pumps.

Q: How did the water hammer come about?

A: When the open valve is suddenly closed, the water flow will create a pressure on the valve and pipe wall. Because the wall of the pipe is smooth, the subsequent water flow under the action of inertia quickly reaches the maximum and produces a destructive effect, which is the "water hammer effect" in fluid mechanics, that is, positive water hammer. This factor should be considered in the construction of water supply pipelines.

Q: What are the materials and conditions of use of the stem and stem nut?

A: The valve stem is not only a moving part, a force part, but also a sealing part in the valve opening and closing process. At the same time, it is affected by the impact and corrosion of the medium, and also produces friction with the filler. Therefore, when selecting the valve stem material, it must be ensured that it has sufficient strength, good impact toughness, abrasion resistance and corrosion resistance at the specified temperature. The valve stem is a wearing part, and the mechanical processing properties and heat treatment properties of the material should also be paid attention to when selecting.

Q: What is the production process? What two parts does it consist of?

A: The production process of the valve refers to the sum of various labor processes from raw materials or semi-finished products to finished products. It includes: transportation and preservation of raw materials or semi-finished products, preparation for production, blank manufacturing, machining, welding, heat treatment, assembly, testing, painting and packaging.

The production process is composed of two parts: main process and auxiliary process. The process directly related to the transformation of raw materials into finished products is the main process (or process), such as blank manufacturing, machining, heat treatment and assembly. Auxiliary processes are processes indirectly related to the change of raw materials into finished products, such as transportation, grinding, preparation of processes, design and manufacturing tools, planning and statistics.

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