Welding
Hoses
and
Clamps -
(a) Hoses The hose for the supply of oxygen (from the pressure regulator) to the welding torch is coloured blue and has right handed thread connections, whereas the acetylene hose is coloured red and has left handed thread connections with chamfers or grooves on the nuts.
For welding purposes, the hoses to be used should be strong, non porous, flexible and not subject to kinking. Welding hose has a seamless lining which is manufactured from rubber (or a rubber compound) which is reinforced with canvas or wrapped cotton plies.
