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Basic standards GB/T 1047-2005 Definition and selection of DN (nominal size) of piping components GB/T 1048-2005 Definition and selection of PN (nominal pressure) of piping components GB/T 6567.4-2008 Graphical symbols for valves and control components of piping systems on technical drawings GB/T 12220-2015 Industrial valve markings GB/T 12221-2005 Structural length of metal valves GB/T 12224-2015 General requirements for steel valves GB/T 12241-2005 General requirements for safety valves GB/T 12247-2015 Classification of steam traps GB/T 12250-2005 Terminology, signs, and structural length of steam traps GB/T 17213.1-2015 Industrial Process Control Valves Part 1: Control valve terminology and general principles GB/T 17213.5-2008 Industrial process control valves Part 5: Marking GB/T 21465-2008 Valve terminology GB/T 24919-2010 General requirements for installation, use and maintenance of industrial valves GB/T 24921.1-2010 Dimensioning, selection and installation of pressure relief valves for petrochemical industry Part 1: Dimensioning and selection GB/T 24921.2-2010 Dimensioning, selection and installation of pressure relief valves for petrochemical industry Part 2: Installation GB/T 25739-2010 Technical Guidelines for Valve Commissioning of Nuclear Power Plants GB 26640-2011 Specification for Minimum Wall Thickness Dimensions of Valve Housings JB/T 106-2004 Valve Marking and Painting JB/T 308-2004 Valve Model Preparation Method JB/T 1308.1-2011 PN2500 Ultra-high Pressure Valves and Fittings Part 1: Valve type and basic parameters JB/T 2203-2013 Spring direct load safety valve structural length JB/T 2205-2013 Pressure reducing valve structural length JB/T 6438-2011 Valve sealing surface plasma arc surfacing technical requirements JB/T 7928-2014 Industrial valve supply requirements material standard GB/T 12225-2005 Technical conditions for copper alloy castings of general valves GB/T 12226-2005 Technical conditions for gray iron castings for general valves GB/T 12227-2005 Technical conditions for ductile iron castings for general valves GB/T 12228-2006 Technical conditions for carbon steel forgings for general valves GB/T 12229-2005 Technical conditions for carbon steel castings for general valves GB/T 12230-2005 Technical conditions for stainless steel castings for general valves GB/T 29528-2013 Technical conditions for copper alloy forgings for valves JB/T 5300-2008 Guidelines for selection of materials for industrial valves Testing and inspection standards JB/T 7248-2008 Technical conditions for low-temperature steel castings for valves JB/T 7744-2011 Alloy powder for plasma arc cladding of valve sealing surfaces JB/T 7927-2014 Appearance quality requirements for valve steel castings JB/T 12000-2014 Technical condition testing and inspection of pressure-bearing steel forgings for thermal power supercritical and ultra-supercritical valves GB/T 12242-2005 Pressure relief device performance test specifications GB/T 12245-2006 Pressure reducing valve performance test method GB/T 12251-2005 Steam trap test method GB/T 13927-2008 Industrial valve pressure test GB/T 172134-2015 Industrial process control valve Part 4: Inspection and routine testing GB/T 22652-2008 Valve sealing surface surfacing process evaluation GB/T 26479-2011 Resilient sealing partial rotary valve fire resistance test GB/T 26480-2011 Valve inspection and testing GB/T 26481-2011 Valve fugitiveness test GB/T 26482-2011 Check valve fire resistance test GB/T 28777-2012 Evaluation of valves used in the petrochemical industry GB/T 30832-2014 Test methods for valve flow coefficient and flow resistance coefficient GB/T 32291-2015 Offline verification and evaluation of high-pressure and ultra-high-pressure safety valves JB/T 6439-2008 Magnetic particle testing of valve pressure parts JB/T 6440-2008 Radiographic inspection of pressure-cast steel parts of valves JB/T 6902-2008 Liquid penetration inspection of valves JB/T 6903-2008 Ultrasonic inspection of valve forgings JB/T 8858-2004 Test procedures for static pressure life of gate valves JB/T 8859-2004 Test procedures for static pressure life of stop valves JB/T 8860-2004 Plug valve static pressure life test procedure JB/T 8861-2004 Ball valve static pressure life test procedure JB/T 8863-2004 Butterfly valve static pressure life test procedure JB/T 12003-2014 Valve low temperature test device specification Conventional valve product design standard GB/T 4213-2008 Pneumatic control valve GB/T 8464-2008 Iron and copper threaded connection valves GB/T 10869-2008 Power station regulating valves GB/T 12232-2005 Universal valves, flange-connected iron gate valves GB/T 12233-2006 Universal valves, iron stop valves and lift check valves GB/T 12234-2007 Steel gate valves with studs connected to the bonnet in the petroleum and natural gas industry GB/T 12235-2007 Steel stop valves and lift check valves for petroleum, petrochemical and related industries GB/T 12236-2008 Steel swing check valves for petroleum, chemical and related industries GB/T 12237-2007 Steel ball valves for petroleum, petrochemical and related industries GB/T 12238-2008 Flange and clamp connection elastic seal butterfly valves GB/T 12239-2008 Industrial valve metal diaphragm valve GB/T 12240-2008 Iron plug valve GB/T 12243-2005 Spring direct load safety valve GB/T 12244-2006 General requirements for pressure reducing valve GB/T 12246-2006 Pilot pressure reducing valve GB/T 13932-1992 General valve iron swing check valve GB/T 19672-2005 Pipeline valve technical conditions GB/T 21385-2008 Metal seal ball valve GB/T 21386-2008 Proportional pressure reducing valve GB/T 21387-2008 Axial flow check valve GB/T 22130-2008 Steel plug valve GB/T 22654-2008 Technical conditions for steam traps GB/T 23300-2009 Flat gate valves GB/T 24920-2010 Steel pressure relief valves for petrochemical industry GB/T 24925-2010 Technical conditions for cryogenic valves GB/T 26144-2010 Flanged and clamped steel fluorine plastic lined butterfly valves GB/T 28776-2012 Steel gate valves, globe valves and check valves for the oil and gas industry (≤DNl00) GB/T 28778-2012 Pilot-operated safety valves GB/T 29026-2012 Spring direct-loaded safety valves for low-temperature media JB/T 450-2008 Forged angle high-pressure valves technical conditions JB/T 5299-2013 Hydraulic control check butterfly valve JB/T 7352-2010 Solenoid valve for industrial process control system JB/T 7387-2014 Electric control valve for industrial process control system JB/T 7746-2006 Compact steel valve JB/T 7747-2010 Needle globe valve JB/T 8691-2013 No bonnet knife gate valve JB/T 8937-2010 Wafer check valve JB/T 11150-2011 Bellows sealed steel stop valve JB/T 11487-2013 Bellows sealed steel gate valve JB/T 11488-2013 Steel fluorine plastic lined gate valve JB/T 12000-2014 Technical conditions for pressure-bearing steel forgings for thermal power supercritical and ultra-supercritical parameter valves JB/T 12001-2014 General requirements for thermal power supercritical and ultra-supercritical parameter valves JB/T 12004-2014 Technical conditions for low vacuum butterfly valves JB/T 12006-2014 Special valve product design standards for steel pipe welded ball valves GB/T 10868-2005 Power station temperature and pressure reducing valve GB/T 14478-2012 Basic technical conditions for water inlet valves of large and medium-sized turbines GB/T 20173-2013 Oil and gas industry pipeline transmission system pipeline valves GB/T 20910-2007 Temperature and pressure safety valves for hot water systems GB/T 21384-2008 Safety valves for electric water heaters GB/T 22653-2008 Emergency shut-off valve for liquefied gas equipment GB/T 24917-2010 Glass valve GB/T 24918-2010 Emergency shut-off valve for low-temperature medium GB/T 24924-2010 Elastic sealing gate valve for water supply system GB/T 26145-2010 Drainage valve GB/T 26146-2010 Eccentric semi-ball valve GB/T 26478-2011 Stop valve and lift check valve for ammonia GB/T 28259-2012 Downhole safety valve for oil and gas industry underground equipment GB/T 28572-2012 Large and medium-sized turbine water inlet valve series GB/T 30818-2014 Fully welded ball valve for oil and gas industry pipeline transportation system GB/T 32290-2015 Elastic sealing light gate valve for water supply system JB/T 6441-2008 Safety valve for compressor JB/T 8473-2014 Instrument valve group JB/T 8692-2013 Flue butterfly valve JB/T 10530-2005 Stop valve for oxygen JB/T 10674-2006 Hydraulic control valve JB/T 10675-2006 Water sleeve valve JB/T 11057-2010 Rotary valve technical conditions JB/T 11152-2011 Metal seal lifting plug valve JB/T 11175-2011 Petroleum and natural gas industry pigging valve JB/T 11483-2013 High temperature blending valve JB/T 11484-2013 Technical specifications for valves used in high-pressure hydrogenation units JB/T 11490-2013 Quick-closing butterfly valves for steam turbines JB/T 11491-2013 Skid-mounted gas pressure reducing devices JB/T 11492-2013 Copper ball valves and stop valves for gas pipelines JB/T 11494-2013 Special valve for alumina trap JB/T 11496-2013 Injection valve for metallurgical descaling system JB/T 12002-2014 Extraction check valve for steam turbine JB/T 12007-2014 Standard for quick-cut butterfly valve parts for blast furnace TRT system GB/T 26147-2010 Technical conditions for ball valve sphere JB/T 93-2008 Valve parts wrenches, handles and handwheels JB/T 1700-2008 Valve parts nuts, bolts and plugs JB/T 1701-2010 Valve parts stem nuts JB/T 1702-2008 Valve parts bearing glands JB/T 1703-2008 Valve parts bushings JB/T 1708-2010 Valve parts packing gland, packing sleeve and packing pressure plate JB/T 1712-2008 Valve parts packing and packing pad JB/T 1718-2008 Valve parts gasket and stop washer JB/T 1726-2008 Valve parts disc cover and split ring JB/T 1741-2008 Valve parts top center JB/T 1749-2008 Valve parts ammonia valve disc JB/T 1754-2008 Valve parts joint assembly JB/T 1757-2008 Valve parts ferrule, ferrule nut JB/T 1759-2010 Valve parts bushing JB/T 2768-2010 Valve parts high-pressure pipes, pipe fittings and valve end dimensions JB/T 2769-2008 High-pressure threaded flange of valve parts JB/T 2772-2008 High-pressure blind plate of valve parts JB/T 2776-2010 High-pressure lens gasket of valve parts JB/T 2778-2008 Temperature marking of high-pressure pipe fittings and fasteners of valve parts JB/T 5208-2008 Spacer ring of valve parts JB/T 5210-2010 Upper sealing seat of valve parts JB/T 5211-2008 Valve parts gate valve seat JB/T 10507-2005 Metal bellows for valves JB/T 12005-2014 Standard for short-thread trapezoidal thread drive device for valves GB/T 12222-2005 Connection of multi-turn valve drive device GB/T 12223-2005 Connection of part-turn valve driving device GB/T 24922-2010 Technical conditions for flameproof valve electric device GB/T 24923-2010 Technical conditions for ordinary valve electric device GB/T 28270-2012 Intelligent valve electric device JB/T 2195-2011 Technical conditions for three-phase asynchronous motor for YDF2 series valve electric device JB/T 8530-2014 Valve electric device model compilation method JB/T 8531-2013 Valve manual device technical conditions JB/T 8862-2014 Valve electric device life test procedures JB/T 8864-2004 Valve pneumatic device technical conditions