Page 27 of News

Hardfacing is the process of hardening the surface of wear-resistant parts. In the production and processing of cemented carbide, hardfacing technology is often used. Cemented carbide hardfacing technology...

Safety valve discs are not stable. The valve disc frequently pops or flutters. Frequently popping refers to the fact that after the safety valve gets back on its seats, it will open again after the pressure...

1. What is stainless steel? Stainless steel is a type of steel. Steel refers to steel containing less than 2% of carbon, and steel with a carbon contect of more than 2% is iron. The addition of chromium...

The mechanical traps use the density difference between the condensed water and the steam, and through the change of the condensed water level, the float lifts and drives the disc of the valve to...

Opening and closing over set pressure means that the equipment is opened or closed over its set pressure. In this case, the overload protection function of the safety valve loses, and the reasons...

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...