BUTTERFLY VALVE U TYPE

Specification:

• • PTFE bushing ensure the maximum shaft support.
    360° polished disc assures positive on-off.
  • Hard-backed cartridge seat.
  • Univeral ISO5211 mounting pad.
  • Flow curve tending to straight line. Excellent regulation performance.
  • Bubble-tight sealing with no leakage under pressure test.
  • Wide selection of materials, applicable for various mediums.
  • Higher thicknesses are available upon request.
  • Stem sealing is not easy deformation, so avoids leakage phenomenon.
  • Overall support is good, stable and solid.
  • Use less rubber of seat, so expansion has small impaction and easy to control torque value at an appropriate range.
  • Applying to two pieces of no-sells connection; structure is simple and convenient to be maintained.
  • Butterfly disc owns automatic alignment function and achieved small combination of disc and seat.
  • Phenolic back seat is featured such as no loss, tensile, anti-leak, convenient replacement etc.
  • For seat sealing surface and phenolic back as whole as a whole, it can reduce amount of deformation.