The needle valve is an important part of the instrument measuring pipeline system. It mainly has a shut-off valve and a ball valve. Its function is to open or cut the pipeline passage. The needle type valve has the advantages of convenient installation and disassembly, fast connection, favorable fireproof, high explosion-proof and pressure resistance, good sealing performance, etc. It is an advanced connection valve in power station, oil refining, chemical equipment and instrument measuring pipeline. . The needle valve has good sealing performance and long service life. Even if the sealing surface is damaged, it only needs to replace the vulnerable parts and can continue to be used. Install the needle valve so that the flow direction of the medium matches the direction of the arrow on the valve body. Manual shut-off valves and ball valves can be installed anywhere in the pipeline. The needle valve is a kind of valve that can be precisely adjusted. For example, the cutting distance for flame cutting. The knob for adjusting the flame temperature is a needle valve . The instrument needle valve is an important part of the instrument measuring pipeline system. The function of the globe valve and the ball valve is to open or cut the pipeline passage. The function of any valve is to cut off the fluid. According to the different valve core, it can be divided into globe valve, gate valve, plug valve, ball valve, disc valve, needle valve, etc. The spool of the needle valve is a very The pointed cone is inserted into the valve seat like a needle, hence the name. The needle valve shape can withstand more pressure than other types of valves, and the sealing performance is good, so it is generally used for small flow, higher pressure. The sealing of the gas or liquid medium. The needle valve shape is suitable for use with the pressure gauge. The general needle valve shape is made into a threaded connection.
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