Title |
Standard No. |
Implemented On |
Basic version electric actuators for valve―Quality classification specification | T/CGMA 041005-2018 | |
Steel ball valves for petroleum , petrochemical , natural gas and allied industries | T/ZZB 0050-2016 | |
Pilot safety valve for cryogenic fluid service | GB/T 40011-2021 | 2021-11-1 |
Spring loaded safety valves | GB/T 12243-2021 | 2021-11-1 |
Classification system and qualification procedures for fugitive emission type testing of valves | GB/T 40079-2021 | 2021-11-1 |
Pressure relief devices—Performance test code | GB/T 12242-2021 | 2021-10-1 |
Steel ball valves for petroleum, petrochemical and allied industries | GB/T 12237-2021 | 2021-10-1 |
Pipeline valves—Technical specification | GB/T 19672-2021 | 2021-10-1 |
Safety valves—General requirements | GB/T 12241-2021 | 2021-10-1 |
Ball of ball valve 2020 | T/ZZB 1964-2020 | 2020-12-1 |
Safety valves and bursting disc safety devices in combination | GB/T 38599-2020 | 2020-10-1 |
Installation,operation,maintenance of fully welded body ball valve | GB/T 38202-2019 | 2020-5-1 |
Overlaying-welding procedure qualification for valves sealing face | GB/T 22652-2019 | 2020-5-1 |
Low temperature valve—Technical specifications | GB/T 24925-2019 | 2020-5-1 |
Bolted bonnet steel gate valves for petroleum and natural gas industries | GB/T 12234-2019 | 2020-5-1 |
Safety devices for protection against excessive pressure—Common data | GB/T 36588-2018 | 2019-4-1 |
Compound quick intake and exhaust air valve for water supply pipeline | GB/T 36523-2018 | 2019-2-1 |
General purpose industrial valves—Specification of copper alloy castings | GB/T 12225-2018 | 2018-12-1 |
Specification of nickel and nickel alloy castings for industrial valves | GB/T 35740-2017 | 2018-7-1 |
Guide in order and acceptance of extraction check valves used for power station | DL/T 1822-2018 | 2018-7-1 |
Specification of stainless steel forgings for industrial valves | GB/T 35741-2017 | 2018-7-1 |
Valves for liquefied dimethyl ether cylinders | GB/T 33146-2016 | 2017-5-1 |
Electric water-heater safety valve | GB/T 21384-2016 | 2017-3-1 |
Offline inspection and evaluation of high and super-high pressure safety valves | GB/T 32291-2015 | 2016-7-1 |
Industrial valves―Marking | GB/T 12220-2015 | 2016-2-1 |
Valve inspection and testing―Part 1: America series | DB33/T 697.1-2015 | 2015-10-15 |
Valves―Test method of flow coefficient and flow resistance coefficient | GB/T 30832-2014 | 2015-3-1 |
Fully welded body ball valves for pipeline transportation systems in petroleum and natural gas industries | GB/T 30818-2014 | 2014-12-31 |
Industrial valves - Delivery specification | JB/T 7928-2014 | 2014-11-1 |
Specification of copper alloy forgings for valves | GB/T 29528-2013 | 2014-3-1 |
Spring loaded safety valve for cryogenic service | GB/T 29026-2012 | 2013-10-1 |
Process valve qualification procedure for the petrochemical industry | GB/T 28777-2012 | 2013-3-1 |
Pilot-operated safety valves | GB/T 28778-2012 | 2013-3-1 |
Steel gate, globe and check valve for the petroleum and natural gas industries (for sizes DN100 and smaller) | GB/T 28776-2012 | 2013-3-1 |
Intelligent valve electric actuator | GB/T 28270-2012 | 2012-12-1 |
Connection types and dimensions for gas cylinder valve outlets | GB 15383-2011 | 2012-12-1 |
Specification for minimal thickness of the shell of valves | GB 26640-2011 | 2012-9-1 |
Globe valves for ammonia and lift check valves | GB/T 26478-2011 | 2011-10-1 |
Valve test for fugitive emissions | GB/T 26481-2011 | 2011-10-1 |
Liner fluoroplatics for flanged and wafer steel butterfly valve | GB/T 26144-2010 | 2011-10-1 |
Drain valve | GB/T 26145-2010 | 2011-10-1 |
Valve inspection and testing | GB/T 26480-2011 | 2011-10-1 |
Fire test for soft-seated quarter-turn valves | GB/T 26479-2011 | 2011-10-1 |
Eccentric stmi-ball valve | GB/T 26146-2010 | 2011-10-1 |
Fire type-testing requirement for check valves | GB/T 26482-2011 | 2011-10-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 9:Joints nuts | JB/T 1308.9-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 1:Types and basic parameters | JB/T 1308.1-2011 | 2011-8-1 |
Metal seal lift type plug valve | JB/T 11152-2011 | 2011-8-1 |
Technical requirements for plasma arc overlaying welding for valve sealing surface | JB/T 6438-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 18:Reduced joint | JB/T 1308.18-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 14:Stud bolts | JB/T 1308.14-2011 | 2011-8-1 |
Bellows sealing steel globe valve | JB/T 11150-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 13:Flanges | JB/T 1308.13-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 15:Stud bolts at boss | JB/T 1308.15-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 21:Elbows | JB/T 1308.21-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 4:Necked joints | JB/T 1308.4-2011 | 2011-8-1 |
Low-resistance backflow preventer | JB/T 11151-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 5:Socket joints | JB/T 1308.5-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 16:Nuts | JB/T 1308.16-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 7:Threaded collars | JB/T 1308.7-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 10:Outer nust | JB/T 1308.10-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 6:Gaskets and conical face blind gasket | JB/T 1308.6-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 20:Reduced three-way and reduced four-way | JB/T 1308.20-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 19:Equal–diameter three–way and equal–diameter four–way | JB/T 1308.19-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 12:Positioning rings | JB/T 1308.12-2011 | 2011-8-1 |
Alloy powder used plasma arc overlaying welding for valve sealing surface | JB/T 7744-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 11:Threaded collars | JB/T 1308.11-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 17:Reduced pipes | JB/T 1308.17-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 2:Valves fittings and fasteners | JB/T 1308.2-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 8:Inner and outer nuts | JB/T 1308.8-2011 | 2011-8-1 |
PN 2500 ultrahigh pressure valves and fittings —Part 3:Pipe ends | JB/T 1308.3-2011 | 2011-8-1 |
PIG Valve for petrroleum and natural gas industries | JB/T 11175-2011 | 2011-8-1 |
Steel globe valves and lift check valve for petroleum,petrochemical and allied industries (including Amendment 1) | GB/T 12235-2007/XG1-2011 | 2011-7-1 |
Bolted bonnet steel gate valves for petroleum and natural gas industries (including Amendment 1) | GB/T 12234-2007/XG1-2011 | 2011-7-1 |
Specification for ball of ball valve | GB/T 26147-2010 | 2011-7-1 |
Technical specifications of basic version electric valve actuators | GB/T 24923-2010 | 2010-12-31 |
Cryogenic emergency shutoff valve | GB/T 24918-2010 | 2010-12-31 |
Cryogenic valve technical specifications | GB/T 24925-2010 | 2010-12-31 |
Sizing,selection and installation of pressure relieving valves for petrochemical industries—Part 1:Sizing and selection | GB/T 24921.1-2010 | 2010-12-31 |
Steel pressure relief valves for petrochemical industries | GB/T 24920-2010 | 2010-12-31 |
Resilient-seated gate valves for water supply service | GB/T 24924-2010 | 2010-12-31 |
Glasses valve | GB/T 24917-2010 | 2010-12-31 |
Technical specifications of explosion-proof version electric valve actuators | GB/T 24922-2010 | 2010-12-31 |
Sizing,selection and installation of pressure relieving valves for petrochemical industries—Part 2:Installation | GB/T 24921.2-2010 | 2010-12-31 |
Specification of Rotary valves | JB/T 11057-2010 | 2010-10-1 |
Needle valve | JB/T 7747-2010 | 2010-10-1 |
Type and basic parameter of tube straightener | JB/T 1109-2010 | 2010-10-1 |
Components of valves-Gland pressure sleeves and plates | JB/T 1708-2010 | 2010-7-1 |
Components of valves-Nuts | JB/T 1701-2010 | 2010-7-1 |
Components of valves-High pressure lens gaskets | JB/T 2776-2010 | 2010-7-1 |
Components of valves-Back seats | JB/T 5210-2010 | 2010-7-1 |
Wafer type check valve | JB/T 8937-2010 | 2010-7-1 |
Components of valves-Axis guide | JB/T 1759-2010 | 2010-7-1 |
Components of valves-High pressure pipes fittings and end-to-end dimensions of valves | JB/T 2768-2010 | 2010-7-1 |
Buried polyethylene(PE)piping systems for the supply of gaseous fuels - Part 3: Valves | GB 15558.3-2008 | 2010-1-1 |
Overlaying-welding procedure qualification for valves sealing face | GB/T 22652-2008 | 2009-7-1 |
Industrial Valves-Pressure Testing | GB/T 13927-2008 | 2009-7-1 |
Automatic steam traps - Technical specification | GB/T 22654-2008 | 2009-7-1 |
Cast iron and copper valves with screwed connections | GB/T 8464-2008 | 2009-7-1 |
Emergency shutoff valve for LG equipment | GB/T 22653-2008 | 2009-7-1 |
Industrial valves - Diaphragm valves made of metallic materials | GB/T 12239-2008 | 2009-7-1 |
Flanged and wafer resilient seal butterfly valves | GB/T 12238-2008 | 2009-7-1 |
steel plug valves | GB/T 22130-2008 | 2009-1-1 |
Iron plug valves | GB/T 12240-2008 | 2009-1-1 |
Specification for manufacture and installation together with acceptance of steel penstocks which be served hydraulic engineering | SL 432-2008 | 2008-11-15 |
Terminology for valves | GB/T 21465-2008 | 2008-8-1 |
Components of valves-High pressure Blanks | JB/T 2772-2008 | 2008-7-1 |
Specification for wrought angle high pressure valves | JB/T 450-2008 | 2008-7-1 |
Components of valves-connections | JB/T 1754-2008 | 2008-7-1 |
Components of valves-Gaskets and floor clips | JB/T 1718-2008 | 2008-7-1 |
Components of valves-Bushes | JB/T 1703-2008 | 2008-7-1 |
Methods of magnetic examination for valves | JB/T 6439-2008 | 2008-7-1 |
General purpose industrial valves material—Selection guideline | JB/T 5300-2008 | 2008-7-1 |
Metal-seated ball valve | GB/T 21385-2008 | 2008-7-1 |
Methods for ultrasonic examination of steel gorgings for valves | JB/T 6903-2008 | 2008-7-1 |
Components of valves-Top core | JB/T 1741-2008 | 2008-7-1 |
Components of valves-High pressure threaded flanges | JB/T 2769-2008 | 2008-7-1 |
Electric water-heater safety valve | GB/T 21384-2008 | 2008-7-1 |
Components of valves-Seats of gate valves | JB/T 5211-2008 | 2008-7-1 |
Aaxial flow check valve | GB/T 21387-2008 | 2008-7-1 |
Components of valves-Temperature karking of hing pressure pipes and fasteners | JB/T 2778-2008 | 2008-7-1 |
Methods for liquid penetrant examination of valves | JB/T 6902-2008 | 2008-7-1 |
Methods of radiographic examination for steel castings valves | JB/T 6440-2008 | 2008-7-1 |
Components of valves-Packing and gaskets | JB/T 1712-2008 | 2008-7-1 |
Components of valves-Nuts bolts and plugs | JB/T 1700-2008 | 2008-7-1 |
Technical specification for low temperature service steel casting for valves | JB/T 7248-2008 | 2008-7-1 |
Components of valves-Sockets and nuts | JB/T 1757-2008 | 2008-7-1 |
Safety Valves for Compressor | JB/T 6441-2008 | 2008-7-1 |
Steel swing check valve for petroleum petrochemical and allied industries | GB/T 12236-2008 | 2008-7-1 |
componnents of valves-Dsic nuts and bisect rings | JB/T 1726-2008 | 2008-7-1 |
Components of valves-Lantern rings | JB/T 5208-2008 | 2008-7-1 |
Components of valves-Bearing glands | JB/T 1702-2008 | 2008-7-1 |
Ratio pressure reducing | GB/T 21386-2008 | 2008-7-1 |
Components of valves-Discs of Ammonia Valves | JB/T 1749-2008 | 2008-7-1 |
Temperature/pressure protection values | QB/T 2909-2007 | 2008-6-1 |
Steel globe valves and lift check valve for petroleum petrochemical and allied industries | GB/T 12235-2007 | 2007-11-1 |
Stell ball valves for petroleum petrochemical and allied industries | GB/T 12237-2007 | 2007-11-1 |
Bolted bonnet steel gate valves for petroleum and natural gas industries | GB/T 12234-2007 | 2007-11-1 |
Temperature/pressure safety valve for hot water supply system | GB/T 20910-2007 | 2007-11-1 |
Sleeve valve used for water | JB/T 10675-2006 | 2007-7-1 |
Blast Furnace Hot Blast Valve | YB/T 4072-2007 | 2007-7-1 |
Hydraulic control valve | JB/T 10674-2006 | 2007-7-1 |
Metal-sealed unfurled valve | JB/T 10673-2006 | 2007-7-1 |
General purpose industrial valves - Specification of carbon steel forgings | GB/T 12228-2006 | 2007-5-1 |
Pilot operated pressure reducing valves | GB/T 12246-2006 | 2007-5-1 |
General requirements for pressure reducing valves | GB/T 12244-2006 | 2007-5-1 |
General purpose industrial valves - Casting iron globe valves and lift check valves | GB/T 12233-2006 | 2007-5-1 |
Methods of performance test for pressure reducing valves | GB/T 12245-2006 | 2007-5-1 |
Compact steel valves | JB/T 7746-2006 | 2007-3-1 |
Safety Technical Supervision Regulations for Safety Valves | TSG ZF001-2006 | 2006-10-1 |
General purpose industrial valve - Specification of flake graphite iron castings | GB/T 12226-2005 | 2006-4-1 |
General requirements for industrial steel valves | GB/T 12224-2005 | 2006-4-1 |
General purpose industrial valves - Specification of copper alloy castings | GB/T 12225-2005 | 2006-4-1 |
Steam converting valve for power station | GB/T 10868-2005 | 2006-4-1 |
Automatic steam traps—Test methods | GB/T 12251-2005 | 2006-1-1 |
General purpose industrial valve——Flanged iron gate valves | GB/T 12232-2005 | 2006-1-1 |
Automatic steam traps—Term,Marking,Face-to-face dimensions | GB/T 12250-2005 | 2006-1-1 |
General purpose industrial valve - Specification of stainless steel castings | GB/T 12230-2005 | 2006-1-1 |
Ceramic sealing valves—Technical specification | JB/T10529-2005 | 2006-1-1 |
Ceramic sealing valves—Technical specification | JB/T 10529-2005 | 2006-1-1 |
General purpose industrial valve - Specification of spheroidal graphite iron castings | GB/T 12229-2005 | 2006-1-1 |
Globe valves for oxygen | JB/T 10530-2005 | 2006-1-1 |
General purpose industrial valve - Specification of spheroidal graphite iron castings | GB/T 12227-2005 | 2006-1-1 |
Analysis of water used in boiler and cooling system - Determination of turbidity - Formazine turbidity | GB/T 12151-2005 | 2005-12-1 |
Part-turn valve actuator attachments | GB/T 12223-2005 | 2005-8-1 |
Spring Loaded Safety Valves | GB/T 12243-2005 | 2005-8-1 |
Multi-turn valve actuator attachments | GB/T 12222-2005 | 2005-8-1 |
Safety valves--General requirements | GB/T 12241-2005 | 2005-8-1 |
Metal calves--Face to face,end to end,center to face and center to end dimensions | GB/T 12221-2005 | 2005-8-1 |
Performance test code - Pressure relief devices | GB/T 12242-2005 | 2005-8-1 |
Specification of pipeline valves | GB/T 19672-2005 | 2005-8-1 |
Guide of safety valves for power station boilers | DL/T 959-2005 | 2005-6-1 |
Specification of check valves for thermal power plant | DL/T 923-2005 | 2005-6-1 |
Discharge and feeding valve of blow tank | DL/T 906-2004 | 2005-6-1 |
Guide rule of order and acceptance for general steel valves used in thermal power plant | DL/T 922-2005 | 2005-6-1 |
Valves marking and paint | JB/T 106-2004 | 2005-4-1 |
Valves model designation method | JB/T 308-2004 | 2005-4-1 |
Rules for the inspection of valves for export | SN/T 1455-2004 | 2004-12-1 |
Butterfly valve-potential pressure life test regulation | JB/T 8863-2004 | 2004-8-1 |
Gate valve-potential pressure life test regulation | JB/T 8858-2004 | 2004-8-1 |
Globe valve-potential pressure life test regulation | JB/T 8859-2004 | 2004-8-1 |
Specification of pneumatic actuator for valves | JB/T 8864-2004 | 2004-8-1 |
Ball valve-potential pressure | JB/T 8861-2004 | 2004-8-1 |
Plug valve-potential pressure life test regulation | JB/T 8860-2004 | 2004-8-1 |
Specification of Pneumatic Actuator for Valves | JB/T 8864-1999 | 2004-8-1 |
Self-operated flow control valve | CJ/T 179-2003 | 2003-10-1 |
Multi-function control valve for pumping system | CJ/T 167-2002 | 2002-10-1 |
Self-contained temperature control valve | CJ/T 153-2001 | 2002-6-1 |
General specification of slow closure type check valve for water supply and sewerage | CJ/T 154-2001 | 2002-6-1 |
Air Conditioning and Low Pressure Safety Valve | HB 2974-2000 | 2001-1-1 |
Guide on selection of diaphragm valves for power plant | DL/T 716-2000 | 2001-1-1 |
Non-refillable cylinder valve for industry | GB 17878-1999 | 2000-6-1 |
Speclal taps of taper threads for gas cylinders | GB 10878-1999 | 2000-6-1 |
Automatic steam traps - Technical specification | JB/T 9093-1999 | 2000-1-1 |
Valve inspection and testing | JB/T 9092-1999 | 2000-1-1 |
Types,dimensions and specifications of PN250 MPa positioning rings | JB/T 1308.12-1999 | 2000-1-1 |
Emergency shutoff valve for LPG equipment. Technical specification | JB/T 9094-1999 | 2000-1-1 |
Valves with female screw ends for water-heating system | GB/T 8464-1998 | 1999-7-1 |
Hand flow adjusting valves for heating | CJ/T 25-1999 | 1999-6-4 |
Rules for the inspection of copper valves for export | SN/T 0725-1997 | 1998-5-1 |
Butterfly Valves for Metal Sealing | JB/T 8527-1997 | 1998-1-1 |
Liquid-pressure water lever controlling valve | CJ/T 3067-1997 | 1997-2-1 |
Technical specification for low temperature valves | JB/T 7749-1995 | 1996-1-1 |
General technique specifications for cylinder valves | GB 15382-1994 | 1995-8-1 |
Face-to-face,centre-to-face,end-to-end and centre-to-end dimensions of valves-Male screw valves | GB/T 15188.4-1994 | 1995-7-1 |
Face-to-face,centre-to-face,end-to-end and centre-to-end dimensions of valves-Buttwelding valves | GB/T 15188.1-1994 | 1995-7-1 |
Face-to-face,centre-to-face,end-to-end and centre-to-end dimensions of valves-Wafer valves | GB/T 15188.2-1994 | 1995-7-1 |
Face-to-face,centre-to-face,end-to-end and centre-to-end dimensions of valves-Female screw valves | GB/T 15188.3-1994 | 1995-7-1 |
Test and check of gas valves | CJ/T 3055-1995 | 1994-12-1 |
General specifications for ductile iron or cast steel valves of urban gas | CJ/T 3056-1995 | 1994-12-1 |
Technical specification of high temperature high pressure globe stop valves and gate valves for power station | DL/T 531-1994 | 1994-10-1 |
Technical specification of hydraulic dedusting and slagging valves | DL/T 530-1994 | 1994-10-1 |
Guide for selection, installation, use and maintenance of steam traps | YY/T 0153-1993 | 1994-7-1 |
General purpose industrial valves-Cast iron swing check valves | GB/T 13932-1992 | 1993-6-1 |
Valves for General Purposes Test Method of Flow Coefficient and Flow Resistance Coefficient | JB/T 5296-1991 | 1992-7-1 |
Steel Flat Gate Valves for Pipelines | JB/T 5298-1991 | 1992-7-1 |
Valves model designation method | JB/T 308-1975 | 1992-7-1 |
Pilot-operated reducing valves | GB/T 12246-1989 | 1990-12-1 |
General purpose industrial valves-Steel swing check valves | GB 12236-1989 | 1990-12-1 |
Part-turn valve actuator attachment | GB/T 12223-1989 | 1990-12-1 |
Methods of performance test for pressure reducing valves | GB/T 12245-1989 | 1990-12-1 |
General purpose industrial valves-Diaphragm valves | GB/T 12239-1989 | 1990-9-1 |
General specification for pressure reducing valves | GB/T 12244-1989 | 1990-9-1 |
General purpose industrial valves-Specification of spheroidal graphite iron castings | GB/T 12227-1989 | 1990-9-1 |
General purpose industrial valves-Specification of carbon steel forgings | GB/T 12228-1989 | 1990-9-1 |
General purpose industrial valves-Flanged and butt-weld steel gate valves | GB/T 12234-1989 | 1990-9-1 |
General purpose industrial valves-Iron plug valves | GB/T 12240-1989 | 1990-9-1 |
General purpose industrial valves-Flanged steel globe valves and lift check valves | GB/T 12235-1989 | 1990-9-1 |
General purpose industrial valves-Specification of carbon steel castings | GB/T 12229-1989 | 1990-9-1 |
General purpose industrial valves-Specification of copper alloy castings | GB/T 12225-1989 | 1990-9-1 |
General purpose industrial valve-Flonged and wafer butterfly valves | GB/T 12238-1989 | 1990-9-1 |
General purpose industrial valves-Specification of austenitic steel castings | GB/T 12230-1989 | 1990-9-1 |
General purpose industrial valves-Flanged iron gate valves | GB/T 12232-1989 | 1990-9-1 |
Metal valves for use in flanged pipe systems-Face-to-face and centre-to-face dimensions | GB/T 12221-1989 | 1990-9-1 |
General purpose industrial valves-Specification of flake graphite iron castings | GB/T 12226-1989 | 1990-9-1 |
General purpose industrial valves-Casting iron globe valves and lift check valves | GB/T 12233-1989 | 1990-9-1 |
Multi-turn valve actuator attachment | GB/T 12222-1989 | 1990-9-1 |
General purpose industrial valves-Marking | GB 12220-1989 | 1990-9-1 |
Automatic steam traps-Definition of technical terms | GB/T 12248-1989 | 1990-1-2 |
Performance test methods for safety valves | GB/T 12242-1989 | 1990-1-2 |
General purpose industrial valves-Flanged and butt-weld end steel ball valves | GB/T 12237-1989 | 1990-1-2 |
Automatic steam trops-Classification | GB/T 12247-1989 | 1990-1-2 |
Safety valves-General requirements | GB/T 12241-1989 | 1990-1-2 |
Spring loaded safety valves | GB/T 12243-1989 | 1990-1-2 |
General requirements for industrial steel valves | GB/T 12224-1989 | 1990-1-2 |
Automatic steam traps-Test method | GB/T 12251-1989 | 1990-1-2 |
Polytrifluoromonochlorethylene plastic - Lined stop valve | HG/T 3215-1986 | 1986-10-1 |
Industrial valves--Pressure testing for valves | GB 4981-1985 | 1986-1-1 |
Terms and Terminologies for Valves | JB 2765-1981 | 1981-7-1 |
Valves marking and paint | JB/T 106-1978 | 1978-10-1 |