Control of density and strength of welded joints

26.11.2020 13:02

Tanks of oil -filled electrical apparatuses (switches, rheostats, starters, etc.), the shells of explosion -proof devices, the tanks of air circuit breakers, boxes of water -drift, waterproof and hermetic design of the devices and other welded volumetric structures must be controlled from the point of view of the density and strength of welded seams.