Handle type fully welded ball valve Q61F DN32

Handle-type fully welded ball valve Q61F DN80 Valve body welded joint root stress concentration, residual stress, tissue deterioration become a weak link in the valve body structure, welding is the last process after the product is assembled, there are non- Metal sealing materials rubber and PTFE plastics cannot be post-weld heat treated. Compared with the products of the same specification in the same industry, the valve body is small and the appearance is beautiful.