It is designed for process centrifugal pumps and handling fluids containig abrasive particles.

  Features:

   Compact design:Suit for stuffing boxes with restricted plkace.

  Easy,quick assembly and disassembly.

  External pressure buffer installation system with closed circulation.

  Self-centered against pump's shaft.

  Stationary seat can compensate both axials and radial runout of the shaft.

  Recommended for work with mediums dangeroue for environment or health.