Xiamen Dervos Valves Industry Co.,Ltd Blog
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Xiamen Dervos Valves Industry Co.,Ltd, founded in June 2008, is a one-stop industrial valve supplier integrated with R&D, manufacturing, resource integration, and trade service. For 14 years, Dervos has been committed to finding solutions for industrial needs and providing professional service for both general and specialized valves.
Xiamen Dervos Valves Industry Co.,Ltd Blog
8h ago
In the valve industry, gate valves are widely used fluid control devices. Depending on different designs and connection methods, gate valves can be categorized into various types, including threaded bonnet gate valves and regular gate valves. Understanding the differences between them is crucial for selecting the appropriate valve type and ensuring efficient system operation. 1. Valve cover connec ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
1w ago
There are some differences in the structure and working principles between the angle-type bellows sealed globe valve and the bellows globe valve, primarily evident in the following aspects: Structural Design Bellows Globe Valve: Primarily utilizes bellows as the sealing element, a flexible metal conduit capable of adapting to the bending and expansion of pipelines to ensure the valve's sealing per ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
1w ago
The tilting disc check valve and common check valves both serve the purpose of preventing backflow of the medium in pipeline systems, but they have differences in structural design and working principles. This article will compare and discuss the differences between the tilting disc check valve and common check valves. Structure Design Tilting Disc Check Valve: The disc of the tilting disc check v ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
1w ago
The fully welded ball valve and the ordinary ball valve have significant differences in structure, characteristics, and applications. 1. Structural Differences Fully Welded Ball Valve: The fully welded ball valve adopts a fully welded structure, with no gaskets between the valve body and valve body, and is welded as a whole. This eliminates the need for gaskets or packing typically required in tra ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
1w ago
Buried soft-seated gate valves and conventional soft-seated gate valves are both common types of valves in pipeline systems, with significant differences in design, structure, and application. This article will delve into the differences between these two types of valves and provide a detailed comparison of their features. Structure Design 1. Installation location Conventional soft-seated gate val ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
3w ago
In industrial production, drain valves play a critical role by eliminating condensate and superheated steam from pipeline systems to maintain normal operation. However, during cold winters, the moisture in pipeline systems is prone to freezing, resulting in the failure or damage of drain valves, thereby affecting the normal operation of the system. Therefore, implementing effective anti-freezing m ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
3w ago
The tilting disc check valve and common check valves both serve the purpose of preventing backflow of the medium in pipeline systems, but they have differences in structural design and working principles. This article will compare and discuss the differences between the tilting disc check valve and common check valves. Structure Design Tilting Disc Check Valve: The disc of the tilting disc check v ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
1M ago
The fully welded ball valve and the ordinary ball valve have significant differences in structure, characteristics, and applications. 1. Structural Differences Fully Welded Ball Valve: The fully welded ball valve adopts a fully welded structure, with no gaskets between the valve body and valve body, and is welded as a whole. This eliminates the need for gaskets or packing typically required in tra ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
1M ago
The sealing surface of the valve is often corroded, eroded, and worn by the medium, making it a vulnerable component of the valve. For example, automatic valves such as pneumatic ball valves and electric butterfly valves have frequent opening and closing and fast opening and closing speeds, and their quality directly affects the service life of the valve. The basic requirement for valve sealing su ..read more
Xiamen Dervos Valves Industry Co.,Ltd Blog
2M ago
There are some differences in the structure and working principles between the angle-type bellows sealed globe valve and the bellows globe valve, primarily evident in the following aspects: Structural Design Bellows Globe Valve: Primarily utilizes bellows as the sealing element, a flexible metal conduit capable of adapting to the bending and expansion of pipelines to ensure the valve's sealing per ..read more