Profile: Palatine Precision Ltd. specializes in the manufacture and supply of steel bellows components. We manufacture diaphragm bellows from 0.5 inch diameter to 27.25 inches diameter, in stainless steel, and high nickel alloys. Material thickness varies from 0.003 inch to 0.036 inch for our product line, although for roll-form bellows the thickness can exceed 0.062 inch. On a large welded diaphragm bellow, the total length of weld can exceed 500 ft, and all of these welds will be one shot welds in typically 0.008 inch material with zero leakage. Such welds are tested using a mass spectrometer tuned to detect a low mass gas such as helium. This is used as a search gas, and will find a leak path through a pore in a metal component that would not be detected if tested using air pressure techniques.