"Honeywell (Honeywell) Valve" EF-2 second valve instrument is the instrument measuring needle valve an important part of the piping system, the main valve and ball valve, its purpose is to make access open or cut off the pipe with . Meter valve sleeve with easy installation and removal, connections are tight, is conducive to fire, explosion and pressure, high capacity, good sealing performance, etc., is the power plant, refinery, chemical plant and the instrument measuring the line of an advanced connection valve. Needle valve seal a good, long life, even if the sealing surface is damaged, only need to replace the wearing parts, you can continue to use. Should be installed so that the flow of media with the arrow on the body in the same direction. Manual valve, ball valve can be installed in any position in the pipeline.