Page 5 of Industry and Engineering News form Power to Oil & Gas

Industry News

Causes of Valve Leakage and Its Preventive Measures (Part Two)

Posted: 01/07/2021 17:05:39
Hits: 15

1. Cause analysis of valve leakage 1.1 There are some quality problems for the valve itself. The parts of the valve which are prone to cause quality problems are divided into two parts. One...

Pros and Cons of High Temperature Butterfly Valve

Posted: 12/28/2020 14:17:56
Hits: 25

As a common valve type in our daily industrial production, the high temperature butterfly valve has received the most attention in industrial production. High temperature butterfly valves are usually...

Causes of Valve Leakage and Its Preventive Measures (Part One)

Posted: 12/22/2020 15:06:01
Hits: 24

As the carrier of fluid in pipeline system, it is necessary to control the flow rate, pressure and flow direction of fluid. The equipment required in use is valve. As an important part of pipeline...

Technical Requirements of Cast Iron Tee (Part Two)

Posted: 12/08/2020 09:16:10
Hits: 16

Taking elbows as an example, if long radius elbows are made, the specifications and materials should be selected at first. It can be calculated by theoretical method, and then cut as per this as...

Bidirectional Sealing Floating Ball Valves for High Temperature and Viscous Media (Part Two)

Posted: 11/27/2020 10:48:35
Hits: 69

Process control As the functionality of the valve becomes better, its structure becomes more complex. Therefore, higher processing technology is required to ensure the function. Now, each key part...

Bidirectional Sealing Floating Ball Valves for High Temperature and Viscous Media (Part One)

Posted: 11/19/2020 11:09:18
Hits: 227

Abstract This article introduces the processing characteristics of residual oil, heavy oil, wax oil and gasoline desulfurization in chemical plants. In view of the leakage problem in the use of a...

The Structure Design and Operating Principle of the Pressure Relief Valve (Part Two)

Posted: 11/10/2020 11:28:51
Hits: 71

Operating principles and functions The bypass hydraulic pressure relief valve with the above-mentioned structure is used in the fluid pipeline system. It is installed on the bypass pressure...

The Structure Design and Operating Principle of the Pressure Relief Valve (Part One)

Posted: 11/03/2020 16:53:37
Hits: 55

In the water pump pipeline system, when the pump is suddenly stopped, the check valve at the outlet of the pump is quickly closed, causing the circulation flow rate in the valve outlet pipeline to suddenly...

Globe Valve Should Pay More Attention to the Influence of Resistance

Posted: 10/11/2020 14:54:19
Hits: 18

Actually, for the globe valve, the most important thing is its influence on the resistance. When the resistance increases, it will first increase the transmission power, which will waste the...

Technical Requirements of Cast Iron Tee (Part One)

Posted: 09/22/2020 17:00:17
Hits: 25

Cast iron tee is produced according to certain technological methods and principles, which can ensure good production quality and guarantee in actual production and processing. The geometric...

The Difference between Stainless Iron and Stainless Steel—Part Two

Posted: 09/16/2020 15:11:17
Hits: 27

Ferritic stainless steel: Ferritic stainless steel is steel with ferrite structure in use. The chromium content is 11%-30%, and it has a body-centered cubic crystal structure. This kind of steel...

Process and Technical Requirements of Cast Iron Tee

Posted: 09/08/2020 15:42:40
Hits: 16

The materials of cast iron tee are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, etc. The ways of connection with pipes are: direct welding (the most commonly used way),...

The Difference between Stainless Iron and Stainless Steel—Part One

Posted: 09/01/2020 15:37:15
Hits: 750

How to identify stainless steel and "stainless iron" articles? It can be identified from the marks that many stainless steel products such as stainless steel pipes are stamped with steel...

Definition and Working Principle of Butterfly Check Valve

Posted: 08/26/2020 15:12:55
Hits: 71

What is a butterfly check valve? Butterfly check valve or double disc check valve overcomes the limitation of diameter and pressure drop of swing check valve and disc check valve. The disc of swing...

Will Stainless Steel Pipe Rust (Part Two)?

Posted: 08/18/2020 16:10:03
Hits: 23

Stainless steel obtains its corrosion resistance by a very thin, firm and fine stable chromium-rich oxide film (protective film) formed on its surface, which can prevent oxygen atoms from continuously...

Will Stainless Steel Pipe Rust (Part One)?

Posted: 08/11/2020 16:31:42
Hits: 42

We will firstly talk about why stainless steel pipe fittings is not easy to rust, then explaining why stainless steel will rust. Stainless steel is not easy to rust, which is closely related to its composition....

Application Occasion & Working Condition of Butterfly Valve

Posted: 08/04/2020 15:53:20
Hits: 24

Because the wipIng motion of the butterfly valve plate, most butterfly valves can be used for medium with suspended solid particles, and can also be used for powder and granular medium according to the...

Working Principle of Solenoid Valve for Water

Posted: 07/28/2020 17:27:06
Hits: 42

There is a sealed cavity in the electromagnetic valve for water, which is trepaned with holes at different positions, each of which leads to different oil pipes. There is a valve in the middle...

Characteristics of Butterfly Valve Flange

Posted: 07/21/2020 14:17:30
Hits: 5

1. Small and light, easy to disassemble and maintain, and can be installed at any position. 2. The structure is simple and compact, the operating torque is small, and the 90-degree rotary opening is quick....

The Global Steel Market Continues to Grow Slowly

Posted: 07/16/2020 15:19:00
Hits: 26

In the spring of March, the global steel market continued to push up slowly under the guidance of Asian and Chinese markets. As of March 8, the global benchmark steel price index of 116.5 points increased...

Valves (913)

Pipe (608)

Structural Steel (135)

Flanges (368)

Pipe Fittings (802)

Others (430)