Instrument stop valve is needle valve, which is an important part of instrument measurement pipeline system. It mainly includes stop valve and ball valve. It is mainly used to open or cut off the pipeline. The external surface of needle valve is also corroded by atmosphere. Generally, steel materials are protected by painting.
Needle valve is an important part of instrument measurement pipeline system, which mainly includes globe valve and ball valve. Its function is to open or cut off the pipeline. The ferrule type instrument valve has the advantages of easy installation and disassembly, tight connection, good fireproof, explosion-proof, high pressure resistance and good sealing performance. It is an advanced connection type valve in power station, oil refining, chemical plant and instrument measuring pipeline.
The instrument stop 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 use. Needle valve spool is a very sharp cone, like a needle inserted into the seat, hence the name.