What are the application scope and structural characteristics of wedge gate valve?
Wedge gate valve is widely used in petrochemical and thermal power plants and other oil and gas pipelines as a device to connect or cut off the pipeline medium. Wedge gate valves are widely used in various types of valves. Wedge gate valve is usually only suitable for full open or full close, not for regulating and throttling.
Wedge gate valves are usually used in cases where the overall size and operating conditions of the valve are not strictly required. For example, for high temperature and high pressure working medium, wedge gate valve needs long-term sealing of closing parts.
Generally speaking, wedge gate valve is recommended for reliable sealing performance, high pressure, high pressure cut-off pressure difference, low-pressure cut-off pressure difference, low noise, cavitation and vaporization, high temperature, medium and low temperature. Such as power industry, oil refining, petrochemical industry, offshore oil, water engineering, urban construction, chemical and other fields of sewage treatment projects.
Structural characteristics of wedge gate valve
1. Wedge gate valve has compact structure, reasonable design, good rigidity, smooth passage and small flow coefficient.
2. The sealing surface is made of stainless steel and cemented carbide with long service life.
3. Wedge gate valve is mainly made of flexible graphite packing, with reliable sealing and convenient operation.
4. The driving modes include manual, pneumatic, electric and gear transmission.
5. The structure of wedge gate valve is elastic wedge single gate and rigid wedge single gate double gate.