Introduction of slow closing check valve

by:Lianke Valve     2022-08-14
Micro group slow-closing check valve, also known as check valve, plays the role of preventing the reverse flow of the medium in the pipeline. The switch component is to use the flow and force of the medium to automatically switch, and the valve that prevents the backflow of the medium is called a check valve. The check valve is an automatic valve type, which is mainly used on the pipeline where the medium flows in one direction, allowing the medium to flow in one direction and preventing accidents. Suitable for cleaning media, not suitable for media including solid particles and high viscosity. Micro group slow closing check valve is suitable for nominal pressure PN1.0MPa~42.0MPa, class 150-250. Nominal diameter DN15~12mm, NPS1/2~48; in various pipelines with working temperature -196-540℃, it is used to prevent the backflow of the medium. By choosing different materials, it is suitable for various media such as water, steam, oil, nitric acid, acetic acid, strong acid medium and urea. Micro-resistance slow-closing check valve Main materials: carbon steel, low temperature steel, dual-phase steel (F51/F53), titanium alloy, aluminum bronze, INCONEL (INCONEL 625), SS304, SS304L, SS316L, SS316L; chrome molybdenum Steel, molybdenum steel (400/500), 20 Ying alloy, lotus alloy and other metal materials. Features of micro-resistance slow-closing check valve: The valve is mainly composed of valve body, valve cover, valve plate, balance weight, piston and regulating valve. It is used for water supply and drainage pipelines and is installed at the pump outlet to prevent medium backflow and fire damage. Sexual water hammer. It has the advantages of light valve disc, large opening, significant power saving effect, small fluid resistance, reasonable water hammer elimination structure, reliable sealing performance, wear resistance, long service life, stable operation, no vibration and no noise. Structural features of the micro-resistance slow-closing check valve: 1. The length of the structure is short, and its structural length is only 1/4~1/82 of that of the traditional flange check valve, small size, light weight, and its weight is only the traditional micro-resistance slow-closing check valve. 1/4~1/203 of the return valve, the valve flap closes quickly, the water hammer pressure is small4, the horizontal or vertical pipeline can be used, the installation is convenient5, the flow channel is smooth, the fluid resistance is small , The valve disc travel is short, the valve closing impact is small 8, the overall structure, simple and compact, beautiful appearance 9, long service life, high reliability. The introduction of the micro-resistance slow-closing check valve is here. If you have any questions, you can consult Lianke Valve Co.,Ltd., contact: +86-577-8585 9626. .
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