Wafer high performance butterfly valve provides a cost-effective solution for a wide range of applications where bubble-tight shut-off is required. Utilizing an eccentric disc and offset shaft, the design incorporates the flexible-lip sealing system into a lightweight, compact body. The result is that in many cases the valve can replace globe valve and gate valve yet easier operating, longer lasting and lower cost.
Triple eccentric butterfly valves are the most advanced solution for zero leakage tightness whenever a process valve is required. Thanks to the metal sealing, they grant a perfect tightness both in and out, and the triple offset design is suitable for any industrial application, including hazardous liquids, as well as high temperatures.
Leakage reasons and troubleshooting methods of the sealing ring of the pressure seal valve: 1, the cover and the sealing ring between the incomplete: foreign body clamping, sealing surface corrosion and erosion. Note: the self-sealing ring is made of soft nickel alloy steel and should be handled with great care. 2, pressure seal valve spool and gasket of the pressure seal gate valve between the seal is incomplete: due to corrosion and erosion caused by the surface defects of the valve body wall,