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Electric ball valve-metal seated vs soft-seated type
What is the difference between an electric hard-sealed ball valve and an electric soft-sealed ball valve? There are many types of ball valves, and the corresponding working conditions are different according to the structure, connection method and valve body material. However, in all types of ball valves, the sealing form is only divided into two […]
Globe valve structures and design standard
Globe valve structure, Globe valve design standard The shut-off valve is a particularly common shut-off valve, which is mainly used to connect or cut off the medium in the pipeline, and is generally not used to adjust the flow. The globe valve is suitable for a wide range of pressure and temperature, but it is […]
Schematic diagram of electric ball valve structure
The electric ball valve has a simple structure and is composed of a few parts. It has the advantages of small size, light weight, small installation size, small driving torque, easy operation and agility, and it can be quickly opened and closed only by rotating 90°. It has a good flow regulating effect and sealing […]
Globe valve Model Compilation Instructions and Representation Method
Model Compilation Instructions for Globe Valves | Representation Method Compilation instructions for cut-off valve model Description method of cut-off valve model Compilation instructions for cut-off valve model: Cut-off valve, also known as cut-off valve, is a forced-sealing valve. According to the domestic valve model standard, the model of the globe valve is represented by the […]
Electric flange ball valve installation instructions
The working principle of the electric flange ball valve is to open and close the valve through the power drive and rotate the valve stem. It has the characteristics of light switch, small size, reliable sealing, simple structure and convenient maintenance. Due to the sealing surface and spherical surface of the electric flange ball valve […]
working principle of electric globe valve
The principle of electric globe valve; The working principle of electric globe valve Overview of electric shut-off valve: The electric shut-off valve is equipped with an electric actuator on the basis of the shut-off valve, and the opening and closing of the valve is controlled by an electric device. The connection between the valve and […]
Installation and maintenance of electric ball valve
Installation and maintenance of electric ball valve Electric ball valve is a kind of valve used to control the pipeline medium and can realize remote control. It is an important equipment in the current industrial automation control system. Including pneumatic ball valves, and other valves cannot be used continuously. After storage or use for a […]
bellows globe valve structure and features
Bellows globe valve structure (picture), the function and characteristics of bellows globe valve Bellows globe valve structure: Bellows cut-off valve is mainly filled with a bellows seal. The upper part of the outer surface of the bellows is welded to the valve body to form a closed space in which the liquid is contained. The […]
Structural characteristics & features of flanged butterfly valves
The basic knowledge and structural characteristics of flange butterfly valves: The flanged butterfly valve has introduced a self-sealing design concept, in which the connection between the disc and the valve shaft adopts a patented pull-out pin structure. The main features of the valve are reliable sealing, bi-directional sealing, and tight connection without loosening, so that […]
structures and differences of Non-rising stem(NRS) and rising stem(RS) gate valve
structures and differences of Non-rising stem(NRS) gate valve and rising stem(RS) gate valve RS gate valve structure picture, NRS gate valve structure picture RS gate valve and NRS gate valve are different from the transmission mode. RS gate valve is a handwheel that drives a nut to rotate in place, and the stem is linearly […]