adamson joint dalam firetube boiler
US2183757A – Flue tube for steam boilers – Google Patents Filed June 25, 1938 FLUE TUBE FOR STEAM BOILERS Dec. In another design, known as the Adamson flanged seam, a ring is placed between the out- The ring encircling the flanges also protects the joint against the effect of any tensile Daniel Adamson and Co […]