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Metal hard sealed ball valve
The valve is used to open and close the pipeline, control the flow direction, adjust and control the parameters of the transmission medium (temperature, pressure and flow) of the pipeline accessories. According to its function, it can be divided into shut-off valve, check valve, regulating valve and so on. The valve is a control component in the fluid conveying system, which has the functions of s...
Basic knowledge of solenoid valve 1. Electromagnetic valve working principle Solenoid valve is the use of electromagnetic principle to control the flow of fluid automation components. Its working principle is based on the suction and release of the solenoid, by changing the position of the valve spool to control the passage or direction of the fluid. When the coil is energised, an electromagnetic ...
The structure of the diaphragm valve form and general valves is very different, is a special form of cut-off valve, its opening and closing parts is a piece of soft material made of diaphragm, the valve body cavity and the valve cover cavity and drive parts separated, is now widely used in various fields. Commonly used diaphragm valves are rubber lined diaphragm valve, fluorine lined diaphragm val...
Valve/Actuator Characteristics Resolution is the smallest change in the position of a control valve stem. This limits the ability of the control system to position the valve precisely to the desired position. If the adjustment increments are so large that the flow alternates between too high and too low, a lower resolution valve/actuator may oscillate continuously around the desired setting. Altho...
Knife gate valves are used to cut off a variety of applications containing solid media, including oil sands slurry, pulp raw materials, mines, wastewater treatment and power stations and so on. In order to ensure normal use of routine maintenance and repair is also very important. 1. Adjust the packing once a month. 2. Lubricate the valve stem and stem nut every three months. This should be done w...
Globe valve, also known as cut-off valve, belongs to the forced sealing type valve, so when the valve is closed, pressure must be applied to the valve flap to force the sealing surface not to leak. It is one of the most widely used valves, it is popular because of the opening and closing process between the sealing surface of the friction is small, more durable, open height is not large, easy to m...
A globe valve is a type of valve that uses the valve disc to move along the center of the valve seat channel to control the opening and closing of the pipeline. The working principle of a shut-off valve is to change the flow area of the pipeline through the rotation or lifting movement of the valve disc, thereby controlling the flow rate and pressure of the medium. When the valve disc is closed, i...
Stop valve, Globe valve, also known as shut-off valve, is a forced sealing valve. Therefore, when the valve is closed, pressure must be applied to the valve disc to force the sealing surface to not leak. It is one of the most widely used valves, and its popularity is due to the low friction between the sealing surfaces during the opening and closing process, its durability, small opening height, e...
Basic structure of valve 01 Firstly, let's understand the basic structure of the valve. Valves are usually composed of valve bodies, valve covers, valve cores (or discs), seals, and operating mechanisms. The valve body is the main body of a valve, used to accommodate the valve core and seals. The valve cover is used to fix the valve core and seal. The valve core is the core of a valve, which contr...
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