PRODUCTS > Check valve > Clip butterfly check valve

                  Clip butterfly check valve

                  Product model:H77X
                  Nominal diameter: NPS 2"~60" DN50~1500mm
                  Pressure range: CL150~600Lb PN10~100MPa
                  Operating temperature: -29℃~+425℃
                  Main material: carbon steel, stainless steel, alloy steel
                  Application: suitable for water, food, pharmaceutical, electric power, petroleum, liquefied petroleum gas, steam, medium and so on

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                  [Essential information]
                        Butterfly butterfly check valve installed in industrial, environmental protection, water treatment, high-rise building water supply and drainage pipeline, its main role is to prevent the media back flow, to prevent the media reverse flow. The butterfly butterfly check valve is an automatic valve that relies on medium pressure to turn on and off. The check valve adopts the clamp type, the butterfly plate is two semicircle, and the spring is forcibly reset, and the sealing surface can be used for surfacing the wear-resistant material or lining rubber for the main body, and the utility model has the advantages of wide application range and reliable sealing.

                  [Standard parameter]

                  Design standardAPI6D、JB/T8937、API594
                  Structural lengthAPI594、JB/T8937
                  Connection standardASME B16.5、、GB/T 9113、JB/T 79、HG/T 20592
                  Pressure testAPI 598、GB/T 13927、JB/T 9092
                  Pressure temperature ratingASME B16.34 、GB/T12224


                  [Valve features]

                  1, The product structure is short in length, small in size and light in weight.

                  2, The sealing valve can be made of soft or hard sealing material according to different working conditions. The sealing performance is good.

                  3, Horizontal or vertical pipes can be used, easy installation.

                  4, The valve closed fast, water hammer pressure is small.

                  5, Parts, materials and valve end form, size, according to actual conditions or user requirements, reasonable matching, to meet the needs of various projects.


                  [Valve structure drawing]


                  [Adaptive condition]
                       Check valve installed in the pipeline system, the main role is to prevent media backflow, check valve is a kind of pressure on the media to open and close the automatic valve. The clip type check valve applies to nominal pressure PN1.0MPa~42.0MPa and Class150~25000; nominal diameter DN15~1200mm and NPS1/2~48; work temperature -196~+540℃ of various pipelines, used to prevent medium flow back. By choosing different materials, it can be applied to many mediums such as water, steam, oil, nitric acid, acetic acid, strong oxidizing medium and uric acid.

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