stainless steel ball valve and plug valve is the same type stainless steel stainless steel valve, only the open-close part to bring a ball hole, opening and closing ball system stem axis rotation to achieve. Ball valve is easy to operate, rapid opening and closing, small fluid resistance, good sealing, suitable for low temperature, high pressure and viscosity bigger medium containing suspended solids and crystal particles, such as water, steam, nitrogen, hydrogen, hydrogen, oil and acid. And not used for high temperature piping. Butterfly valve was used to a pivoting disk to control the opening and closing of the pipe, Angle size to reflect the degree of a stainless steel valves open. According to different transmission mode, butterfly valves, pneumatic and electric three break up by rotating the handle gear transmission to drive the stem, turn the lever and elastic spring to open or close the valve. Butterfly valves to the flow direction of medium when installation should keep consistent with the direction arrow as shown on the body, so the medium pressure to improve sealing valve is closed, but some of the butterfly valves do not need pay attention to the direction. 6 mpa, t < 120 ℃ of large diameter pipeline, such as water, steam, air, mooring.

stop valve is the most widely used in chemical production a truncated class valves. It USES Yin rod drive is connected with the circular disc ( The hard) , change the distance between valve plate and valve seat to achieve the purpose of control valve opening and closing. To ensure close tightly, Yan Pan cooperate with the seat should be grinding, and the valve plate and valve stem adopts active connection, to ensure that the valve plate accurately fell on the seat. According to different connection mode, cut-off Industrial Valves has two threaded and flanged connection. According to different body structure, is divided into standard type, line type, straight line.

streamline type globe valve body internal flow line, the fluid resistance is small, has used the most. Easy to adjust flow and channel the truncation, opening and closing slowly without water hammer, 7 to use. Pan. Globe valve body can be a variety of materials, general pressure commonly used cast iron, high pressure steel casting or forging steel manufacturing are available, and valve disc and seat made of bronze, brass or stainless steel. Cut-off valve installation should pay attention to the direction of flow, should make the line fluid from down to ask wu through the mouth, the so-called & other; Low into the mountains & throughout; , reduce the fluid resistance, make the open and effort and to ensure that closed the valve stem, yu can't contact with the medium of the packing material, ensure the valve stem and dusting letter from damage and leakage. Cut-off valve is mainly used for water, steam, compressed air pipe and all kinds of material, can accurately adjust flow closely truncation and channel, but can not be used in the viscosity, easy to remedy the focal, medium containing suspended solids and crystal particles through the pipeline.

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