Today, I will introduce the principle structure and some characteristics of the muffler check valve
. Whether it will really muffle the sound. Let me introduce it to you below. Muffler check valve refers to a valve that automatically opens and closes the valve according to the flow of the medium itself to prevent the backflow of the medium, also known as check valve, check valve, muffler check valve reverse flow valve and back pressure valve. The stop valve is an automatic valve whose main function is to prevent the reverse flow of the medium, prevent the reverse rotation of the pump and the drive motor, and prevent the drainage of the medium in the container. The stop valve can also be used to supply auxiliary systems where the pressure in the pipeline rises above the system pressure. The stop valve is mainly divided into a rotary valve top valve (rotating according to the center of gravity) and a lift valve (moving along the axis). The function of the muffler check valve is to prevent reverse flow and make the medium flow in one direction. Typically, the valve operates automatically, and the valve is opened by the pressure of the fluid flowing in one direction. When fluid flows in the opposite direction, the fluid pressure and the valve's self-overlapping valve act on the valve seat, shutting off the flow. Not suitable for media containing solid particles and high viscosity. Features and uses: 1. The valve disc adopts the shape design of 'bullet head', and the valve body adopts the shape design of 'waist drum' to improve the flow of the medium and reduce the flow resistance coefficient. 2. The valve adopts short structure. The head loss is slightly larger than that of the lift mute valve, the volume is small, and the price is cheap. 3. The structure is compact, there is a non-metallic lubricating cover between the guide shaft and the guide frame, the valve valve can be raised and lowered flexibly, and no dead phenomenon will occur. circle, the service life is significantly extended and durable. 5. The valve disc has a short opening and closing stroke, which can effectively prevent the occurrence of water hammer. 6. It is suitable for water supply and drainage system. The high-rise building pipe network can be set at the pump outlet, and the structure has a little change. It can be used for the water inlet valve, but it is not suitable for the sewers. Principle structure: 1. When the valve is in use, the medium flows in the direction of the arrow. 2. When the medium flows in the specified direction, the valve is opened by the force of the medium. When the medium flows back, due to the self-weight of the valve and the action of the reverse force of the medium, the sealing surface of the valve and the valve seat is sealed to prevent the back flow of the medium. 3. The valve body and valve valve valve valve sealing surface are made of stainless steel solder. 4. The length of the structure conforms to the GB/T 1221-2005 standard, and the flange connection conforms to the GB/T 17241.6-2008 standard. This is an introduction to the muffler check valve. Do you know anything about it? If you still have any questions, you can consult Lianke Valve Co., Ltd.: +86-577-8585 9626.
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