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Function of gate valve
- Is the gate valve opening and closing parts, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed, can not be adjusted and the throttle.s
What does gate valve DN80-PN16-QT450 mean?
- The outer diameter of the pipe is usually 89mm;"PN16" means the nominal pressure of the gate valve is 16Mpa;QT450 QT said, nodular cast iron, tensile strength is more than 450MPa 450.s
What is the difference between the cut-off valve and the gate valve?
- When opening and closing, the valve core and valve seat sealing surface always contact and rub each other, so the sealing surface is easy to wear, the valve is close to shut down, the pressure difference between the pipe is very large, so that the sealing surface wear more serious.Gate valve and stop valve advantages and disadvantages:Valve is the advantages of small flow resistance, the media can flow in two directions, but there are tall, complex structure, sealing surface easy to wear shortcomings. The flow resistance of the gate valve is 3-5 times that of the gate valve. Open and close to shut down in order to seal the valve, the valve is completely closed when in contact with the sealing surface, the sealing surface wear is very small, because the flow of the main actuator with large valve should pay attention to adjust the torque control mechanism.s
Z45T-10 what kind of material is the gate valve?
- Cast iron, sealed with copper alloy inside. Shanghai Yu Cheng fluid on the professional production of this thing,s
Gate valve Z41H-16Q generally used for what place?
- Commonly used in petroleum, chemical systems, especially in long-distance pipelines of petroleum and natural gas.s
What is the standard for ductile iron gate valve set?
- The valve material name, specifications and price according to the facts that the valve rod input line.s
What is the difference between a flanged gate valve and a wire gate valve?
- Flanged gate valves are flanged and must be welded to the flanges of the pipe, bolted togethers
What is the difference between the model z81x-16q and z81x-16c of the groove gate valve?
- Not 16qIs 16p, the former body is stainless steel, and the latter body is carbon steels
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