The opening and closing parts of the dark rod gate valve are the gate, the movement direction of the gate is perpendicular to the direction of the fluid, which can be adjusted and throttled. The gate has two sealing surfaces, the two sealing surfaces of the most commonly used pattern gate valves form a wedge, the wedge Angle varies with valve parameters, usually 50, and 2°52 "" when the medium temperature is not high. Wedge gate valves can be made into a single gate, called the rigid gate; It can also be made to produce micro-deformation of the gate, to improve the process, to make up for the Angle of the sealing surface in the process of deviation, this gate is called elastic gate.
The sealing surface of the dark rod wedge gate valve is made of stainless steel and hard alloy for long service life. It adopts flexible graphite packing, reliable seal, light and flexible operation. The driving mode is divided into dynamic, electric, pneumatic and gear transmission; Structure type: elastic wedge type single gate, rigid wedge type single gate and double gate type. Widely used in petrochemical industry, metallurgy, water treatment, thermal power plants and other oil, water steam pipeline to connect or cut off the medium opening and closing device.
Scope of use: this product can be used in petroleum, chemical, pharmaceutical, electric power and other industries.
Product standard: GB/T 12232.
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