YDF pressure seal valves are designed in accordance with API600 for service of high temperature and high pressure and are widely used in nuclear plant and fossil fuel power plant. Compared with bolted bonnet joint valves, YDF pressure seal valves are more compact and rigid as well as maintenance cost-effective. Furthermore, it provides absolute reliable sealing of the bonnet joint.

Design Feature Product Range
  • Stellited seating surface
  • Low fugitive emission with TA-Luft certified
  • Flexible wedge
  • Full wedge guiding design
  • Absolute bonnet joint leak proof
  • Optional by-pass design, Y style Globe Valve, Check Valve
 
  • Type：Gate, Globe, Check
  • Size：2~64” (DN50~DN600）
  • Rating：600~2500LB (PN100~PN420）
  • Body Materials：Carbon Steel, Cr-Mo Alloy Steel
  • Trim：Per API600