Technical article

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21

2018-07

【Technical article】 What are the advantages and disadvantages of a vacuum circuit breaker

Vacuum circuit breaker refers to a circuit breaker whose contact is opened and broken in vacuum, and USES vacuum as the insulating medium and arc extinguishing medium...
14

2018-07

【Technical article】 Installation instructions and procedures of the butterfly valve

The wafer butterfly valve is one of the most common type of valve in industrial piping, structure of the wafer butterfly valve itself is small, only need to put the butterfly valve in the...
30

2018-06

【Technical article】 Effects of valve leakage and countermeasures

Valve industry in China are rising steadily, corresponding to the traditional markets of North America and the eu as a valve product, although still occupy a larger market share of global valve market...
06

2018-06

【Technical article】 Directional control valve classification and various direction control valve

Hydraulic valves are used to control the flow of oil in a hydraulic system or regulate its flow and pressure. Directional control valve is a kind of hydraulic valve, which controls the flow direction of oil by replacing the flow passage...
30

2018-05

【Technical article】 It is important to keep these points in mind when installing the valve

A) Direction and location Many valves have directionality, such as cut-off valves, throttle valves, pressure reducing valves, check valves, etc. If they are reversed, they will affect the use effect and life...
05

2018-05

【Technical article】 Why should the cut-off valve go low?

General medium and low pressure cut-off valve is low and high, cut off when the filler does not force, reduce the probability of leakage, can extend the service life.
21

2018-04

【Technical article】 How to operate and maintain the valve during operation

The principle of maintenance during the operation of the valve is as follows: 1 Keep the outside of the valve and the active part clean and protect the integrity of the valve paint. The surface of the valve, trapezoidal ...
24

2018-03

【Technical article】 Construction taboos and measures for water supply and drainage valves and pipes

Taboo 1: the main materials, equipment and products used in construction, and lack of technical quality identification documents or product qualification certificates conforming to the current standards issued by the state or department...
07

2018-03

【Technical article】 What are the common heat treatment processes?

Common heat treatment processes include normalizing, annealing, solid solution, aging, quenching, tempering, annealing, carburizing, nitriding, quenching and tempering, spheroidization, brazing and so on...
05

2018-01

【Technical article】 What are the main points of the installation of the safety valve and the design of the piping layout?

(1) the safety valve on the equipment or pipe should generally be erected. But for setting up safety valve at liquid pipe, heat exchanger or container, when the valve is closed, the place where ...

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