SHPV / SHFV

SHPV / SHFV
Item Description
1.1.1 Seal face pressure-stabilized
1.1.3 Spring
1.1.4 Back-up ring
1.2 Seat
2 Seat housing with pumping screw (F)
or pumping ring (P)
6 Cover
9 Assembly fixture

SHPV / SHFV

Features

  • Cartridge design
  • Single seal
  • Balanced
  • Dependent of direction of rotation
  • Integrated pumping device
  • Stationary spring loaded unit
  • Multiple springs
  • Shrink-fitted seal face

Advantages

  • Deformation-optimized seal for highest pressure levels
  • Economical due to standardized inner components
  • High flexibility due to adaptation of the connection parts to the pump seal chamber
  • Optimum heat dissipation due to integrated pumping device and optimized seat design
  • Insensitive to shaft deflections due to stationary design
  • Pre-assembled unit for quick and easy installation
  • Only small number of components

Operating range

Shaft diameter:
d1* = 40 ... 250 mm (1.57" ... 9.84")
Pressure: p1 = 150 bar (2,175 PSI)
Temperature: t = +350 °C (+662 °F)
Sliding velocity: vg = 60 m/s (197 ft/s)
Axial movement: ± 3 mm

* Other sizes on request

Materials

Seal face: Carbon graphite antimony impregranted (A)
Seat: Silicon carbide (Q)
Secondary seals: EPDM (E), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G)

Recommended piping plans




Product variants

SHFV
Same design as SHPV but with pumping screw.