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Stainless steel gate valve

The opening and closing member of the gate valve is a gate. The direction of movement of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully open and fully closed, and cannot be adjusted and throttled.

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The opening and closing member of the gate valve is a gate. The direction of movement of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully open and fully closed, and cannot be adjusted and throttled. The gate has two sealing faces. The two sealing faces of the most common mode gate valves form a wedge shape. The wedge angle varies with the valve parameters, usually 50, and is 2°52' when the medium temperature is not high. The gate of the wedge gate valve can be made into a whole, called a rigid gate; it can also be made into a gate that can produce a small amount of deformation to improve its processability and compensate for the deviation of the sealing surface angle during the machining process. The board is called a resilient shutter. Stainless steel gate valve material is divided into 304 stainless steel gate valve, 316 stainless steel gate valve, 321 stainless steel gate valve. The representation method is: Z41H-16P.
  advantage:

  1. The fluid resistance is small, and the sealing surface is less brushed and eroded by the medium.

  2, opening and closing is more labor-saving.

  3. The flow direction of the medium is not restricted, and it does not disturb the flow and does not reduce the pressure.

  4. Simple shape, short structure length, good manufacturing process and wide application range.

  Disadvantages:

  1. Erosion and abrasion are easily caused between the sealing surfaces, and maintenance is difficult.

  2. The external dimensions are large, and a certain space is required for opening, and the opening and closing time is long.

  3. The structure is more complicated.