This type of burette comes in different capacities according to the requirement.Dependind on the size of the burette size of the stop-cock also varies. PTFE needle valves are designed for laboratory and industrial applications and for regulating corrosive gases and liquids or for high purity service.
They may also be used as shut off valves.Bushings in this valve are of stainless steel.Other advantage of this type of valve is that It takes seconds to disassemble the valve for cleaning and maintenance.This type of burette is made of heat resistant borosilicate glass.It is also graduated.
