It is mounted on a vertical pipe and is normally closed. When the medium pressure at the inlet end is lower than that at the outlet end, the spring, if any, and the disc will automatically push the valve core to the valve seat to close the valve and prevent the medium from flowing backward.
Dimensions | DN15~DN200 (NPS1/2~NPS8) |
Pressure class | PN16~PN420 (CL150~CL2500) |
Body materials | Carbon steel, alloy steel, stainless steel, etc. |
Connection methods | Flange type, welded type |
Drive modes | Automatic |
Applications | Fossil energy, electric power, chemical industry, pharmaceutical and other industries |
Telephone >
0086 21 59577580
svf@svf.com.cn