Recently, the website of the Ministry of Industry and Information Technology released 216 standards for the machinery, shipbuilding, building materials, and packaging industries, as well as one modification form for the automotive industry standards, with a deadline of March 1, 2017. Among them, there are 19 standards in the shipbuilding industry.
The shipbuilding industry standards include marine diesel engine crankcase oil mist detectors, shaft flange connection bolt reaming and assembly quality requirements, pipeline pressure test requirements, marine mushroom shaped ventilation pipes, copper passage fittings, marine hydraulic winch constant tension control valve groups, hydraulic steering gear special balance valve groups, marine internal curve radial roller type low speed high torque hydraulic motors, marine domestic water supply and drainage plastic pipe flanges, marine domestic water supply and drainage plastic pipe joints Low pressure pipe threaded joints, marine fully automatic backwash oil filters, dry AC loads for marine generator sets, technical conditions for ramp covers for ro/ro ships, technical conditions for gangways for ro/ro ships, technical conditions for folding boom cranes for ships, heat treatment technical conditions for fully pressurized liquefied gas storage tanks for ships, selection and layout principles for stainless steel ball valves for ships, and fire detectors for ship cabins.