... finishing, sandblast or pickling4.Connection: welded , threaded , clamped and union type.We also supply butterfly valve,ball valve,check valve,diaphragm ... ,tee,cross,reducer,sight glass,manhole cover,cleaning ball,centrifugal pump,pipe holder etc.. We can produce according to customers' ... samples. If any requirments pls contact with us. quality control stainless steel investment casting pump body