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29

2020-05

【Technical article】 Material comparison of several commonly used rubber sealing rings for valves

What are the sealing rings made of? What are the characteristics?
22

2020-05

【Technical article】 Features and selection of various valve actuators

According to the movement mode of the driving mechanism, the valve drive device is divided into two types: straight travel and angular travel.According to the driving structure, the valve actuators are divided into diaphragm type, cylinder type, etc.
15

2020-05

【Technical article】 To deal with valve corrosion, remember these nine great anti-corrosion tips!

Corrosion is one of the most important elements causing valve damage.Therefore, valve corrosion protection is an important consideration in valve protection.
24

2020-04

【Technical article】 Advantages of stainless steel valves in industrial applications

Stainless steel valves have many industry advantages over traditional valves
17

2020-04

【Technical article】 Rules for selection of valves in water works

The valves are indispensable for the conventional water production process in water plant, such as raw water intake
10

2020-04

【Technical article】 Common materials and corresponding designations for valves

Commonly used valve material: The valve body, bonnet and gate (disc) are one of the main parts of the valve and bear medium pressure directly.
27

2020-03

【Technical article】 How is the valve routinely maintained?It's not a good idea to read all this.

Leakage of valve body and bonnet: Causes: 1. Low casting quality of cast iron, defects of sand eyelet, loose structure and slag inclusion on valve body and bonnet body 2. Freezing cracking within days;
13

2020-03

【Technical article】 Structure and principle of high performance butterfly valve

High performance rubber liner butterfly valve is a well-structured butterfly valve, which is especially suitable for regulating or switching the flow and pressure of various tap water...
14

2019-12

【Technical article】 Valve operating procedures

1. The handwheel and handle of manual valve are designed according to the hand force of ordinary people, considering the strength of sealing surface and necessary closing force...
07

2019-12

【Technical article】 The corresponding method is adopted to control the deformation in a small range as far as possible

Heat treatment technology is an important means to obtain good properties of various metal materials.In many practical applications, reasonable selection of materials and various forming processes can not meet the mechanical properties...

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