NB/T 11265-2023 Remanufactured powered support—Technical requirements

GB 25974.1-2010 Powered support for coal mine—Part 1:General specification GB/T 25974.2-2010 Powered support for coal mine—Part 2:Specification for power set legs and rams GB/T 25974.3-2010 Powered support for coal mine—Part 3:The hydraulic control system and valves GB/T 28618-2012 Remanufacturing—General technical requirements for mechanical products GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds GB/T 11345-2013 Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment GB/T 11345-2023 Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels and assessment GB/T 15822.1-2005 Non-destructive testing—Magnetic particle testing—Part 1:General principles GB/T 15822.1-2024 Non-destructive testing—Magnetic particle testing—Part 1:General principles GB/T 28619-2012 Remanufacturing—Terminology GB/T 28619-2024 Remanufacturing—Terminology MT/T 98-2006 Testing specification for hydraulic support hoses and hose assemblies MT/T 587-2011 Hydraulic support structure manufacturing technical specification MT/T 1097-2008 Mining machinery and equipment maintenance technical specifications MT 76-2002 Emulsifying oil, concentrates, and high water content hydraulic fluids for hydraulic supports (poles) MT/T 76-2011 Emulsifying oil,concentrate fluid and high-water content hydraulic fluid used for powered support