The slow closing check valve, also known as the check valve, is used to prevent the backflow of the medium in the pipeline. The opening and closing parts are automatically opened or closed by the flow and force of the medium to prevent the backflow of the medium. The check valve belongs to the automatic valve class, which is mainly used on the pipeline with one-way flow of the medium, and only allows the medium to flow in one direction to prevent accidents. This type of valve should generally be installed horizontally in the pipeline.

The slow closing check valve is suitable for nominal pressure PN1.0MPa~2.5MPa, Class60-150; Nominal diameter DN15~1200mm, NPS1/2~48; It is used to prevent the backflow of the medium on various pipes with an operating temperature of 0~80 ° C. Through the selection of different materials, it can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidizing medium and urea and other media.

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