Level of newest valve state and occupation standard

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Administration of standardization of fundamental condition country is in charge of sectional approval to establish and the technology of accredit is organized. The first committee held water 1992, it is the 3rd at present. 46 people of existing committee member, among them 1 person of chairman committee member, 2 people of vice director committee member, secretary-general 1 person. Secretariat unit: Hefei is general and mechanical institute. The Chinese speak or sing alternately of ISO/TC153, ISO/TC/153/SC1/SC2, ISO/TC185 technical orgnaization. Duty makes valve trade extended program is mixed in country and occupation standard annual plan, examine the national level of valve industry and occupation standard, responsible to standard content, the announce of responsible standard putting in a mouth 's charge as string of 1000 cash and explain, be in charge of the standardization technology research of valve industry. Limits putting in a mouth 's charge is in charge of the whole nation actuating device of the valve of high school low pressure with all sorts of qualitative material of general, special purpose, valve, press protection too the standardization of the professional domain such as safe device works. Enclothe a product to general, power station is used, water supply is used, petrifaction uses the shut-off valve that waits for a respect to use, check valve, ball valve, butterfly a powerful person, brake a powerful person, pressure-relief valve, relief valve, diaphragm valve, drain valve to wait, and the actuating device of these valve. Name of level of number of serial number level replaces standard number to carry out casting pig of date 1GB/T12226-2005 general valve Chinese ink of ball catch of general a powerful person of technical condition GB/T12226-19892006-01-012GB/T12227-2005 is cast-iron a technical condition GB/T12227-19892006-01-013GB/T12229-2005 is general GB/T12229-19892006-01-014GB/T12230-2005 of condition of technology of cast of valve carbon steel is general GB/T12230-19892006-01-015GB/T12232-2005 of condition of technology of cast of valve stainless steel is general valve flange joins iron, power station of GB/T12251-19892006-01-018GB/T10868-2005 of method of experiment of GB/T12248~12249-892006-01-017GB/T12251-2005 steam drain valve decreases oxygen of GB/T10868-19892006-04-019JB/T10530-2005 of lukewarm pressure-relief valve to use 2006-02-01 of condition of technology of sealed valve of pottery and porcelain of shut-off valve 2006-02-0110JB/T10529-2005 CNC Milling CNC Machining