Recently, the website of the Ministry of industry and information technology released 216 standards for machinery, shipbuilding, building materials and packaging industries and one amendment of automobile industry standards for approval and publicity. The deadline is March 1, 2017. Among them, there are 19 shipping industry standards.
Marine industry standards include marine diesel engine crankcase oil mist detector, shafting flange connecting bolt reaming and assembly quality requirements, pipeline pressure test requirements, marine mushroom ventilation duct, copper cabin pipe fittings, marine hydraulic winch constant tension control valve group, special balance valve group for hydraulic steering gear, marine internal curve radial roller low-speed high torque hydraulic motor Marine domestic water supply and drainage plastic pipe flange, marine domestic water supply and drainage plastic pipe joint, low-pressure pipe threaded joint, marine full-automatic backwash oil filter, dry AC load for marine generator set, technical conditions of ramp cover for RO ro ship, technical conditions of springboard for RO ro ship, technical conditions of marine folding boom crane and heat treatment of marine full pressure liquefied gas storage tank Selection and layout principles of marine stainless steel ball valve and ship cabin fire detector.