Hottest 2013 valve product quality supervision and

2022-08-23
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2013 valve product quality supervision and spot check results

recently, Shanghai Municipal Bureau of quality and technical supervision conducted special supervision and spot check on the quality of valve products produced in Shanghai. 55 batches of products were sampled this time, and 0 batch was unqualified after inspection

recently, the Shanghai Municipal Bureau of quality and technical supervision has conducted special supervision and random inspection on the quality of valve products produced in Shanghai. 55 batches of products were sampled this time, and 0 batch was unqualified after inspection

it is reported that valves are listed in the catalogue of products with national industrial product production license. As of the end of April, the production of valid certificates in Shanghai has been developing in the following aspects: there are 57 enterprises in total, 55 of which have actually sampled products this time, and another 2 enterprises have not sampled products due to production stoppage and other reasons

this supervision and random inspection is based on gb/t13927 2008 industrial valve pressure test, jb/t9092 1999 (2009) inspection and test of valves, gb/t12224 2005 General requirements for steel valves, gb/t12232 2005 general purpose valve flanged iron gate valve, gb/t12233 2006 general purpose valve iron stop valve and lift check valve, gb/t12234 2007 steel gate valve with stud connection bonnet for oil and natural gas industry Gb/t12235 2007 steel globe valves and lift check valves for petroleum, chemical and related industries, gb/t12237 2007 steel ball valves for petroleum, chemical and related industries, gb/t12238 2008 flange and wafer connected elastic seal butterfly valves, gb/t19672 2005 pipeline valves, cj/t216 2005 soft seal gate valves for water supply and drainage, cj/t261 2007 butterfly valves for water supply and drainage, jb/t8527 1997 metal seal butterfly valves Gb/t12236 2008 China's plastic machinery enterprise market will further open up the requirements of national standards and relevant standards such as steel swing check valves for petroleum, chemical and related industries, gb/t12239 2008 general purpose valve diaphragm valves, G can be used for stretching, tightening, bending, tearing, shearing, 180 degree peeling, 90 degree peeling experiments, b/t13932 1992 general purpose valve iron swing check valves, cj/t219 2005 hydraulic control valves, etc, The following items of the product were inspected: shell test, high-pressure seal test, low-pressure seal test, upper seal test, wall thickness measurement of valve body, diameter measurement of valve rod, valve body mark inspection, nameplate content inspection

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