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23

2021-07

【Technical article】 What problems should be paid attention to when installing the flue gas butterfly valve

Only by adopting scientific methods can the efficiency and quality of equipment installation be ensured.
02

2021-07

【Technical article】 The use and characteristics of American standard electric wafer soft sealing butterfly valve

The American standard electric wafer soft-sealed butterfly valve has a beautiful appearance, and its valve body, valve plate and valve shaft are designed with a concentric structure.
25

2021-06

【Technical article】 Selection principle of valves in petroleum and chemical industry

In the face of so many valve classification and so complex working conditions, it is necessary to select the most suitable valve product for pipeline system installation.
28

2021-05

【Technical article】 Brief introduction of product performance of exhaust valve

In engineering design, various types of exhaust valves should be selected according to the specific site conditions.
30

2021-04

【Technical article】 What details should be paid attention to during the use of oil refining safety valves

The safety valve has great value and significance for safe operation and ensuring safe operation. In order to give play to the actual value and function of the safety valve, it is very important to pay attention to details in the process of use.
09

2021-04

【Technical article】 What are the common faults of valve motor

Low protection level: the valve motor for Denso is fully enclosed squirrel cage structure, short-time intermittent working system (10min) self-cooling type.
26

2021-03

【Technical article】 Control valve common failure analysis and solutions

The control valve is widely used in oil refining and chemical industry. It is used to control the flow rate, pressure and liquid level of the fluid in the production process...
19

2021-03

【Technical article】 How to select valve material under high temperature condition?

Working condition of high temperature including high temperature, high temperature Ⅰ Ⅱ, high temperature, high temperature Ⅲ Ⅳ, high temperature, high temperature Ⅴ level...
29

2021-01

【Technical article】 Operating method of manual valve

Manual valve is a valve operated by handle and handwheel. It is a common valve used in equipment pipeline.Its handle, hand wheel rotation direction clockwise is closed, counterclockwise is open.
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

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