Item Description
1 Seal face, atmosphere side
2 Seal face, product side
6, 7 O-Ring
11 Seat
17 Flange
22 Clamping ring

AGSZ

Features

  • For top entry drives
  • Double seal
  • Balanced
  • Independent of direction of rotation
  • Gas-lubricated
  • Cartridge unit

Advantages

  • Ready-to-fit and factory-tested unit
  • Central rotating seat
  • Torque transmission by clamping ring for large axial movements
  • Non-contacting operation
  • No friction on the seal faces, no heat generated at the seal or in the medium
  • ATEX certification on request

Operating range

Shaft diameter:
d1 = 40 ... 220 mm (1.6" … 8.7")
Pressure:
p1 = vacuum ... 6 bar (87 PSI),
Δ p = min. 3 bar (44 PSI), p3 = 9 bar (131 PSI)
Temperature:
t1 = 0 °C ... +200 (+250*) °C
(+32 °F … +392 (+482*) °F)
Sliding velocity:
vg = 0 ... 5 m/s ( 0 ... 16 ft/s),
higher velocities on request.

* with cooling flange

Materials

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

Standards and approvals

  • FDA
  • ATEX
  • DIN 28138 (mechanical seals for agitator shafts)
  • DIN 28136 T2 (for steel vessels)
  • DIN 28141 (flange connection for steel vessels)
  • DIN 28154 (shaft end for steel vessels)
  • DIN 28136 T3 (for glass-lined vessels)
  • DIN 28137 T2 (flange connection for glass-lined vessels)
  • DIN 28159 (shaft end for glass-lined vessels)

Notes

Options:
  • Cooling resp. heating flange
  • Flush
  • Hygienic flange

Recommended piping plans

Gas supply by EagleBurgmann
GSS4015/A400-D0,
GSS4016/A250-D1 or GSS4016/A350-D1.

Note: To assure a sufficient supply of the mechanical seal, pressure at entry of the supply system must be min. 3 bar (44 PSI) above max. barrier pressure always.

Product link:
EagleBurgmann GSS



Product variants

AGSZ481K(L)-D
Double seal (with integrated bearing) for steel vessels to DIN 28136, connection flange to DIN 28141 and shaft ends to DIN 28154.
AGSZ461K(L)-D
Double seal (with integrated bearing) for glass-lined vessels to DIN 28136, connection flange to DIN 28137 and shaft ends to DIN 28159.
AGSZ451K(L)-D
Version with special connection dimensions or unstepped shafts. For steel vessels.
AGSZ491K(L)-D
Variant with special connection dimensions for glass-lined vessels.
AGSZ461K(L)-D Flange connection acc. to DIN 28137 T2 for nominal diameters 40 ... 100.
AGSZ461K(L)-D Flange connection acc. to DIN 28137 T2 for nominal diameters 125 ... 161.

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