A 4-kilogram colorful PKL mixer grinder

Description / Indian PKL gas cylinder refillable 4 kg Indian industry company pkl holding the Saudi quality mark (G) what is the thickness of the metal from which the cylinder is made 2.3 mm for the 4 kg cylinder what is the welding method a mixture of copper and bronze in a continuous thermal oven with a protective atmosphere what is the type of safety valve in the cylinder in case of explosion the safety release valve with automatic closing opens between 22-30 bar and closes when above 20 bar