A flange gate valve is a gate valve with a flanged connection, which is the most common type of connection. Flange gate valves are stable and reliable when used in pipelines, so they are often used in high-pressure pipelines.
Stainless steel flanged gate valves are widely used in oil, chemical, hydroelectric power plants, and thermal power plants for oil and steam pipelines as a switch device for connecting or disconneting media in pipelines. They are suitable for pipeline systems with nominal pressures of PN1.6~16.0MPa and working temperatures of -29℃~550℃, as well as for cutting and connecting media in pipelines. Stainless steel flanged gate valves are suitable for media such as water, oil, steam, acid, alkali, ammonia, urea, and sulfur-containing natural gas. Operating modes include manual, gear-driven, electric, and pneumatic.
Stainless steel flanged gate valves have compact structure, reasonable design, excellent valve stiffness, smooth channels, and small flow coefficients.
The sealing surface of stainless steel flanged gate valves is made of stainless steel and hard alloy, with long service life.
Stainless steel flanged gate valves use flexible graphite packing, with reliable sealing, light weight, and flexible operation.
Stainless steel flanged gate valves are driven by manual, pneumatic, electric, and gear modes.
The structure of stainless steel flanged gate valves is elastic wedge single disc, rigid wedge single disc, and double-disc.
Generally, stainless steel flanged gate valves cannot be used as throttling devices. The product has been improved many times and is now widely used. Currently, many manufacturers produce this product, and it is necessary to read the relevant instructions before use for safer use. The product is not only suitable for one industry, but is used in many industries. Stainless steel flanged gate valves can be used in high temperatures and high pressures and for various different media. Flange gate valves are generally not used in pipelines for conveying slurry and viscous fluids. Flange gate valves have the following advantages:
Stainless steel flanged gate valves have a simple structure and good manufacturability;
The mechanism length of stainless steel flanged gate valves is relatively small;
The fluid resistance of stainless steel flanged gate valves is small;
The required torque for opening and closing stainless steel flanged gate valves is relatively small;
Stainless steel flanged gate valves can be used in ring networks for media flowing in two directions, meaning that the flow direction of the media is not restricted;
When the stainless steel flanged gate valve is fully open, the sealing surface is less subject to erosion from working media than a globe valve.