Page 27 of News

In the forging process of valves, there will occasionally be defects such as gas holes, porosity, and impurities, which affect the normal use of the castings, and are usually repaired by welding....

The commonly used materials for valve bodies are as follows: 1. Gray cast iron: it is suitable for low-pressure valves with working temperatures between -15℃ and +200℃ and nominal pressure...

Common materials used for valve housings Common housings materials for valves Standards Applicable temperature/℃ Applicable pressure/MPa Applicable media Gray cast iron -15 to...

With the continuous innovation of valves used for natural gas pipelines, while traditional pipeline valves continue to play their roles, many valves with new structures and new functions are...

Items Names Structural advantages Design Standards 1 Internally threaded ball valves, socket welded ball valves, integral ball valves and split ball valves 1. Reduced bores or...

2.4 Requirements for installation and maintenance API 608 ball valves belong to process pipeline ball valves. Generally, they can be installed in the factory. If the construction site...

In addition to the functions of draining and venting of the API 6D ball valve, it should also have a central cavity overpressure relief function. The DIB-2 valve seat can be used to release the overpressure...

Combine engineering practice experience and clarify the difference and connection between API 6D pipeline ball valves and API 608 ball valves in terms of structural design, performance requirements and test...

Specifications and categories of valves 1. The valve's model should be marked based on requirements of the national standard. If it is a corporate standard, the relevant description...

What are the new trends in chemical valves? "Peaking and neutrality of carbon" is a profound transformation of a socio-economic system. With the dual carbon goal, the domestic...

You may think that a valve has a few parts, simple structure and average accuracy. However, high requirements are put forward for the core sealing parts of a valve. Moreover, a valve has complicated manufacturing...

3.2.2 The size of the wedge The wedge is made from WCB, which is the same as the valve body and is integrally casted (Figure 4). Calculate the thickness tB of the wedge, and get the...