Opening and closing pieces by medium flow and power to open or close, in order to prevent the media back valve is called the check valve. Check valves are automatic valves, mainly for the medium one-way flow of the pipeline, only to allow the media to flow in one direction, in order to prevent the occurrence of accidents
Order note:
If there is no selected model, please provide detailed parameters, such as medium, temperature, pressure, caliber, material and so on. Our technicians will select for you
Two. Provided that the selected model is available according to the selected model
Three, non standard products need to provide samples or confirmed by drawings
Note: the information is for reference only, or incomplete, so please feel sorry for the inconvenience. The company can choose according to different requirements and parameters. The company has a variety of sizes, pressure, different materials, connections, drive mode, to meet the different needs of various types of gate valve. Please contact 021-6651 8677 or consult online.
Valve body | WCB、25 | 2Cr1MoV | WC6 | WC9 |
Valve cover | 25 | 12CrMoV |
Valve flap, valve seat | 25 heap STL cobalt base hard alloy | 12CrMoV STLCobalt based cemented carbide |
Seal ring | Enhanced flexible graphite |
Welding connection valve for the nominal pressure of PN20.0 ~ 32.0Mpa, the temperature is not higher than 540 DEG (P (57) 170V operating temperature of 570 DEG C) pipeline in various working conditions of petroleum and chemical industry, hydropower and thermal power plants and other, cut off or connected to the media. Applicable medium: water, oil, steam, etc..
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