规定了食品工业用管接头中焊接式和延伸式夹套和垫圈的材料、尺寸、公差、表面粗糙度、装配和卫生要求。修订版包括额外的焊接式夹具衬套和垫片尺寸。

Specifies materials, dimensions, tolerances, surface roughness, assembly and hygienic requirements for both welded- and extended-type clamp liners and gaskets in pipe couplings for the food industry. The revision includes additional welded-type clamp liner and gasket dimensions.