Needle valve JJM8

 Needle valves: needle valve instrument measuring pipeline system is an important part of the valve main shut-off valve and ball valve, whose role is to turn on or off the pipeline path. The valve spool is a very sharp cone, needle is inserted into the seat, as it seems, than other types of valves that can withstand more pressure, the valve seal is good, generally used for small flow, high pressure gas or liquid (such as steam, oil) encapsulating medium.