Analysis of Sealing Performance of Metal Seated Ball Valves(Part 2)
- Nov 25, 2022
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4. The analysis of finite element of sealing The actual force of the workpiece can be simulated by computer, and its displacement, stress and strain can be analyzed. The commonly used analysis...
Sealing Principles and Leakages of Metal Sealed Ball Valves( Part 1)
- Nov 25, 2022
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1. Overview The ball valve realizes the opening and closing of the valve when the sphere rotates around the axis of the valve stem at an angle of 90. It is mainly used for cutting, distributing...
Flush Bottom Valve: Definition, Types, Components, Working, Application & Advantages
- Nov 25, 2022
- Hits: 315
What is a Flush Bottom Valve? Flush Bottom Valve: Definition, Types, Components, Working, Application & Advantages :- Flush bottom valve is also known as angle bottom valve, tank valve, flush...
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The Design and Development of Fixed Titanium Ball Valves
- Nov 04, 2022
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Titanium has good mechanical properties and excellent corrosion resistance. Therefore, it is widely used in the chemical industry, medicine and health, salt, Chlor-alkali, aviation and other areas. In...
Applications and Notes of Knife Gate Valves in the Factory
- Nov 04, 2022
- Hits: 17
Abstract: This article briefly describes the structural characteristics of PZ73 knife gate valves, their application in practice, notes and common abrasion. It puts forward the direction that users...
How It Works: Double Block-and-Bleed and Double Isolation-and-Bleed
- Oct 12, 2022
- Hits: 117
The definitions of double block and bleed (DBB) and double isolation and bleed (DIB) differ between sources in the oil and gas industry. Differences in definitions and terms are important when it comes...
What are DIB and DBB Ball Valve
- Oct 12, 2022
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DIB ball valve provides a seal against pressure from a single source, with a means of venting/bleeding the cavity between the sealing surfaces. DIB ball valve definition in API 6D: Single ball valve...
Fault Diagnosis of Regulating Valves
- Oct 12, 2022
- Hits: 19
In the industrial field, process parameters such as medium flow, pressure, temperature and liquid level are just like several meridians in the production process, which are very important, and regulating...
A Kind of Repair Technology for Check Valves
- Sep 28, 2022
- Hits: 19
Abstract During the use of traditional horizontal lift check valves, problems such as damage to the sealing surface and breakage of the spool guide rod will occur due to the influence of liquid corrosion...
The Internal Leakage of the Thermal Power Plant Valve
- Sep 28, 2022
- Hits: 23
In the development of thermal power plants, the internal leakage of the thermal system valves directly affects the development. Therefore, thermal power plants should actively know the causes of internal...
What are Bellow Seal Valves
- Aug 11, 2022
- Hits: 249
A bellow seal valve is a control valve that doesn't have a conventional gland packing and instead of that these valves have a bellow cartridge and this would be welded to the valve’s bonnet...
What is ePTFE and the difference between PTFE and ePTFE
- Aug 08, 2022
- Hits: 89
What is ePTFE? It's a synthetic plastic that incorporates all of the features of PTFE while also adding a new set of mechanically improved attributes. That means expanded PTFE operates across...