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The basic situation of national standardization administration departments and to authorize the approval of the formation of a technical organization. The first session of the Commission was established in 1992, currently the third. The existing 46 members, including chairman of a people, vice chairman of two persons, the Secretary-General 1. The Secretariat Unit: Hefei General Machinery Research Institute. ISO/TC153, £  £  ISO/TC/153/SC1/SC2, ISO/TC185 Chinese counterpart technical institutions. Responsibility to develop the valve industry, national and industry standards and long-term plans and annual plans, review of the valve industry, national standards and industry standards, responsible for the content of standards, responsible for centralized standards and interpretation of Publicizing responsible for the standardization of the valve industry, technology research. Focal point responsible for the national scope of universal, special purpose high school low-pressure valve variety of materials, valve-driven devices, overvoltage protection, safety devices, etc. fields of standardization. Products are covered by general-purpose, power plant, water use, such as the use of petrochemicals with the cut-off valve, check valve, ball valve, butterfly valve, gate valve, pressure reducing valve, safety valve, diaphragm valves, steam traps, etc., and these valve actuators.

£  £  Standard No. Standard No. No. Name of the implementation date instead of the standard
£  £  1 GB / T 12226-2005 General technical conditions for gray cast iron valve GB / T 12226-1989 2006-01-01
£  £  2 GB / T 12227-2005 General Valve ductile iron parts and technical conditions GB / T 12227-1989 2006-01-01
£  £  3 GB / T 12229-2005 General Valve carbon steel castings and technical conditions GB / T 12229-1989 2006-01-01
£  £  4 GB / T 12230-2005 General Valve stainless steel castings and technical conditions GB / T 12230-1989 2006-01-01
£  £  5 GB / T 12232-2005 General Valve Flanged iron gate valve GB / T 12232-1989 2006-01-01
£  £  6 GB / T 12250-2005 steam trap terminology, symbols, structure, length of GB/T12250-1989, GB/T12248 ~ 12249-89 2006-01-01
£  £  7 GB / T 12251-2005 steam trap test method GB / T 12251-1989 2006-01-01
£  £  8 GB / T 10868-2005 temperature valve plant by GB / T 10868-1989 2006-04-01
£  £  9 JB / T 10530-2005 Oxygen globe valve 2006-02-01                                    10 JB / T 10529-2005 ceramic sealing valve technical conditions 2006-02-01
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