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20

2019-07

【Technical article】 How do check valves handle pressure testing

Check valve is to rely on medium oneself activity and open actively, close valve disc, used to avoid medium backflow valve, also known as backflow valve, one-way valve, countercurrent valve, and ...
12

2019-07

【Industry trends】 The announcement of the state administration of market supervision on the requirement that explosion-proof electrical products should be changed from production license to compulsory product certification management

According to the "decision of the state council on further reducing the catalogue of industrial product production license administration and simplifying the examination and approval procedures" (guofa [2018] no. 33) requirements...
06

2019-07

【Industry trends】 Shanghai quality inspection institute hosted a seminar on valve flow resistance index and energy efficiency evaluation standard

On June 28, 2019, the seminar on valve flow resistance index and energy efficiency evaluation standards was held in Shanghai energy efficiency center as the theme activity...
29

2019-06

【Industry trends】 Increased demand for automotive valves is expected to bring new opportunities to the valve market

The international pump and valve technology business report analyzes the main drivers of growth and the growth prospects of various regions and industries...
22

2019-06

【Technical article】 Comparison table of the relationship between valve size and medium velocity

It is well known that the flow rate and velocity of the valve mainly depends on the size of the valve, but also with the valve structure type of the resistance to the medium...
15

2019-06

【Industry trends】 The proportion of imported valves in China is decreasing year by year, and domestic brands are rising strongly

According to data, in 2018, China imported 1039.97 million sets of valves, down 2.1% year-on-year.From January to December 2018, China imported us $7328,128 worth of valves...
03

2019-06

【Industry trends】 Overseas manufacturing license for pressure pipe components (pipes and valves) was held in Shanghai

On May 23, the overseas inspection and evaluation department of China special equipment inspection and research institute held the first overseas manufacturing license seminar for pressure pipe components (pipes and valves) in Shanghai...
11

2019-05

【Industry trends】 Cold test is not the first pass of "physical examination" for "cold" nuclear power plant

Recently, the Cold-state function test of Fuqing Unit 5, the world's first demonstration project of Hualong No. 1, has been successful. As China's third generation nuclear power with fully independent intellectual property rights...
16

2019-04

【Industry trends】 The 2019 academic annual conference of China instrumentation society was grandly held in Beijing

"Patrimony of arteries and veins, power jack", on March 29-30, 2019 Chinese instruments to learn academic annual meeting was held in Beijing friendship hotel, this annual meeting topic...
04

2019-04

【Industry trends】 The third standing council (extended) meeting of the seventh session of valve branch of China general machinery industry association was held in hangzhou

On the afternoon of March 27, 2019, the third executive director (extended) meeting of valve branch of China general machinery industry association was held in hangzhou.Huang...

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