What is a gauge needle valve? 1, Concept: Gauge needle valve is an important part of instrument measuring pipeline system, there are stop valve and ball valve, its function is to open or cut off the pipeline access. 2, Advantages: 1) Cartridge meter valve has the advantages of convenient installation and removal, connection and fastening, is conducive to fire prevention, explosion and pressure resistance, good sealing performance, etc., is the power plant, oil refining, chemical plant and instrumentation pipeline An advanced connection of the valve. 2) Needle-shaped stop valve has good sealing and long service life, even if the sealing surface is damaged, only need to replace the wearing parts, you can continue to use. 3, the installation should make the flow of the medium and the direction of the arrow on the body consistent. 4, manual stop valve, ball valve can be installed in any position on the pipeline. This article Keywords: valve
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