Natural Gas Special Valves
Introduction:
The special gate valve for gas is a gate valve structure for controlling gas transmission. The purpose is to provide a gas gate valve that can improve the sealing performance and achieve zero leakage. The product has the advantages of simple structure, reliable sealing, small switching torque, long service life and can clean the dirt in the cavity. It is especially suitable for urban natural gas transmission pipeline with working pressure ≤ 10MPa and working temperature ≤ 120 ℃.
Features:
1. Small flow resistance. The medium channel inside the valve body is straight, the medium flows in a straight line, and the flow resistance is small.
2. It is more labor-saving when opening and closing. Compared with the globe valve, because whether it is open or closed, the direction of movement of the gate is perpendicular to the flow direction of the medium.
3. The height is large and the opening and closing time is long. The opening and closing stroke of the gate is large, and the lowering is carried out by the screw.
4. The phenomenon of water hammer is not easy to occur. The reason is the long closing time.
5. The medium can flow in any direction on both sides, which is easy to install. The gate valve channel is symmetrical on both sides.
6. The length of the structure (the distance between the two connecting end faces of the shell) is small.
7. The shape is simple, the length of the structure is short, the manufacturing process is good, and the scope of application is wide.
8. The structure is compact, the valve rigidity is good, the channel is smooth, the flow resistance is small, the sealing surface is made of stainless steel and hard alloy, the service life is long, and the PTFE packing is used. Reliable sealing. Easy and flexible operation.
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