The opening and closing part of the gate valve is a gate, and the movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled.
The gate valve is sealed by the contact between the valve seat and the gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate has a rigid gate and an elastic gate. According to the difference of the gate, the gate valve is divided into a rigid gate valve and an elastic gate valve.
Gate valve is a widely used valve. Generally, cut-off devices with a diameter of DN≥50 mm are selected for use. Sometimes gate valves are also used for cut-off devices with small diameters. Gate valves have the following advantages:
①The fluid resistance is small.
②The external force required for opening and closing is small.
③The flow direction of the medium is not restricted.
④When fully open, the erosion of the sealing surface by the working medium is smaller than that of the stop valve.
⑤The body shape is relatively simple, and the casting process is better
The opening and closing part of Double flange sluice valve is a gate, and the movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate has two sealing surfaces. The two sealing surfaces of the most commonly used model gate valve form a wedge.
Read MoreSend InquiryMetal seated gate valve is primarily designed for the flow isolation of a length of pipeline or piece of equipment. It uses a ductile iron gate that houses bronze rings to ensure a watertight seal. Metal seated gate valvefor water and neutral liquids,to max. 70°C.
Read MoreSend InquiryResilient wedge Iron gate Valves is a kind of gate valve, and its sealing surface is at a certain angle with the vertical centerline, that is, the two sealing surfaces are wedge-shaped. Resilient wedge Iron gate Valves are divided into bright stem gate valve and dark stem gate valve, wedge single gate valve and wedge double gate valve. The driving methods are: electric, pneumatic, manual, pneumatic and hydraulic, etc. The connection methods are flanged, welded, and clamped.
Read MoreSend InquiryThe full port gate valve is a gate for opening and closing parts. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The full-bore gate valve produced by MST has stable performance and has received unanimous feedback from customers.
Read MoreSend InquiryGate Valve Parts are generally used to completely shut off fluid flow or, in the fully open position, provide full flow in a pipeline. Thus it is used either in the fully closed or fully open positions. A gate valve consists of a valve body, seat and disc, a spindle, gland, and a wheel for operating the valve. The seat and the gate together perform the function of shutting off the flow of fluid.
Read MoreSend InquiryA gate valve for sewer liner is used to prevent waste water from entering into a building from the public sewer system is exposed to corrosive water, waste, grit, and other solids. For that reason this type of valve use a knife edge gate. A knife edged gate is specifically designed for controlling the flow of a wide variety of materials, such as found in pulp plant, paper plants, mining, and waste water treatment plants who’s flow contains solid materials.
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