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22

2021-01

【Technical article】 Maintenance and operation of new valve before commissioning

Pre-maintenance of new valves before operation is a progressive construction concept to protect valve seat seals from seat damage during installation, welding and commissioning
15

2021-01

【Industry trends】 The valve industry will accelerate industrial transformation and upgrading

As the control part of the fluid conveying system, the valve has the functions of cut-off, regulation, flow diversion, countercurrent prevention, diversion and pressure relief. There are many kinds and various specifications.
08

2021-01

【Technical article】 Six factors should be considered when selecting sealing surface material of valve

The sealing surface is the most critical working face of the valve, the quality of the sealing surface directly affects the service life of the valve
25

2020-12

【Industry trends】 There are five opportunities for natural gas development during the 14th five-year Plan period

In recent years, with the large-scale development and utilization of natural gas resources in China, the consumption of natural gas has increased greatly in the fields of power generation, civil use, transportation and chemical industry.
18

2020-12

【Technical article】 Antifreeze and maintenance of valves in winter

After entering winter, the temperature drops rapidly, the valve often appears the situation of freezing.If left untreated at this point, the pipeline is vulnerable to failure.If it is in some high-risk conditions...
11

2020-12

【Technical article】 The function and advantage of electric explosion-proof ball valve

The electric explosion-proof ball valve has the characteristics of simple structure, quick switching, large flow capacity, zero leakage and so on. It is suitable for the occasions of high viscosity, containing fiber and solid particle fluid.
04

2020-12

【Industry trends】 New regulation | "approval rules for special equipment inspection institutions (draft for comment)" was released

Recently, the Official website of the State Administration for Market Regulation issued an announcement, in order to further standardize the approval work of special equipment inspection institutions...
27

2020-11

【Technical article】 What does the valve arrow on the body mean?

What does the valve arrow on the body mean?The arrow on the body indicates the recommended pressure direction of the valve, not the direction of medium flow...
20

2020-11

【Industry trends】 Northwest oil field special tools to solve the gas valve disassembly problem

"Master Huang, your special tool for air valve is so easy to use. I am replacing a valve plate and buffer plate now. It only takes 5 minutes."November 12, after replacing the valve plate and buffer plate of an air valve of Compressor no. 4
13

2020-11

【Technical article】 How to maintain the pneumatic ball valve

The use of pneumatic ball valves requires good maintenance of these equipment.It is also a very complicated job to maintain the equipment.It's a lot of work...

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