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Cast steel swing check valves
Bellows globe valve is a commonly used valve type, widely used in various industries due to its compact structure, easy operation, and good sealing performance. The following is a detailed explanation of the structure of the bellows globe valve: 1、 Valve body: The valve body of the bellows globe valve is generally made by forging or casting technology, and the materials are generally cast steel, s...
A valve is a device used in a fluid system to control the direction, pressure, and flow of fluids. It is a device that enables the flow of medium (liquid, gas, powder) in the distribution and preparation, or stops and controls its flow rate. Valves are important control components in fluid transportation systems. Preparation before installation Before presenting it as a broad door, one should care...
1、 Working principle of check valve Check valve refers to a valve that automatically opens and closes the valve disc by relying on the flow of the medium itself to prevent medium backflow. It is also known as a check valve, one-way valve, backflow valve, and backpressure valve. Check valve is an automatic valve that mainly functions to prevent medium backflow, prevent pump and drive motor reversal...
A safety relief valve, also known as a safety relief valve, is an automatic pressure relief device driven by medium pressure. According to different usage scenarios, it can be used as both a safety valve and a relief valve. Taking Japan as an example, there are relatively few clear definitions for safety valves and relief valves. Generally, safety devices used for large energy storage pressure ves...
Gate valve is a common type of valve, whose main function is to control the flow of fluid medium by opening or closing the gate. Gate valves are usually used on pipelines or equipment that require cutting off or intercepting fluid media, and can be used to control the flow of various media such as liquids, gases, and vapors. The main functions of gate valves include: 1. Cut off fluid flow: Gate va...
Working principle of pressure reducing valve 1) From the perspective of fluid mechanics, a pressure reducing valve is a throttling element that can change local resistance, that is, by changing the throttling area, the flow rate and fluid kinetic energy change, causing different pressure losses, and thus achieving the purpose of pressure reduction. It relies on the adjustment of the control and ad...
Check valves may be the most easily misunderstood valve in history. If you mention check valves to most factory personnel, the typical reaction is "they don't work.". In fact, these personnel are likely to have removed internal components or refurbished the system to avoid using check valves. In other words, these valves may be the least popular valves currently in use. This article will explore t...
1、 Working principle of check valve Check valve refers to a valve that automatically opens and closes the valve disc by relying on the flow of the medium itself to prevent medium backflow. It is also known as a check valve, one-way valve, backflow valve, and backpressure valve. Check valve is an automatic valve that mainly functions to prevent medium backflow, prevent pump and drive motor reversal...
Globe valve, also known as shut-off valve, belongs to the forced sealing type valve and is a type of shut-off valve. There are three types of connection methods: flange connection, threaded connection, and welded connection. The "Three Modernizations" of valves in our country once stipulated that the flow direction of globe valves should be from top to bottom, so there is directionality during ins...
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