LPG Cylinder Bung / Valve Boss / Valve Neck / Neck Ring / LPG Collar (Collarette / Collorette)

LPG Cylinder Bung (Valve Boss) which is also known as the above names in different countries is the most important part of an LPG Gas Cylinder tube. It is the main connection between the body and the valve. LPG Cylinders are kept in different atmospheric conditions and this piece must be produced precisely in order to prevent any leakages and explosions. The threads in and on the outer surface must be machined precisely according the technical drawings of the manufacturer.