Item no. Description
1 Seal face, atmosphere side
2 Seal face, product side
4, 5, 13, 14 O-Ring
11 Seat, product side
12 Seat, atmosphere side
30 Throttle ring

HSH(L)U-D

Features

  • For bottom entry drives
  • Double seal
  • Balanced
  • Independent of direction of rotation
  • Multiple springs rotating
  • Liquid-lubricated
  • Cartridge unit

Advantages

  • Ready-to-fit and factory-tested unit
  • With or without bearing available
  • Patented hydrodynamic grooves
  • High pressure seal for customer-specific solutions
  • Floating throttle on product side for protection of the seal or for flush
  • Connection dimensions to customers' requirements
  • Self-closing on product side
  • ATEX certification on request

Operating range

Shaft diameter:
d1 = ... 500 mm ( ... 19.69")
Pressure: p1 = vacuum … 60 bar (870 PSI)
Temperature:
t1 = -40 °C ... +200 °C (-40 °F ... +392 °F)
Sliding velocity:
vg = 0 ... 5 m/s (0 ... 16 ft/s)

For applications beyond this range, please inquire.

Materials

Seal faces: Carbon graphite
Seats: Silicon carbide, FDA conform
Secondary seals and metallic parts acc. to application and customers' requirement.

Standards and approvals

  • FDA

Notes

Options:

Recommended piping plans

Open circuit
e.g. EagleBurgmann SPA, EagleBurgmann SPN

Product links:
EagleBurgmann SPA
EagleBurgmann SPN manual
EagleBurgmann SPN automatic