Electric butterfly valve has the advantages and usesElectric butterfly valve is a very common pipeline flow regulation device, widely used, involved in many fields, such as the regulation of water flow in the reservoir dam of hydraulic power plant, industrial fluid flo…

Steam trap in the steam heating system plays a role in preventing steam drainage, choose the right trap, can make the steam heating equipment to achieve the highest efficiency. In order to achieve the best results, it is necessary to have a comprehensive understanding …

In the fluid piping system, the valve is the control element, its main role is to isolate the equipment and piping system, regulate the flow rate, prevent backflow, regulate and discharge pressure. Because it is very important to choose the most suitable valve for the …

1. Valve stem corrosion and protectionMain causes of valve stem corrosion:The corrosion damage of the valve body is mainly caused by the corrosive medium, and the valve stem corrosion problem is mainly the packing.Not only the corrosive medium causes corrosion damage t…

Fixed shaft ball valve is commonly used on natural gas pipelines, and its general inspection method is: turn the valve to the fully open or fully closed position, and check whether there is leakage through the discharge of the valve body drain nozzle. If it can be drai…