| 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 = -20 °C ... +200 (+250*) °C
(-4 °F … +392 (+482*) °F)
Sliding velocity:
vg = 0 ... 5 m/s ( 0 ... 16 ft/s),
higher velocities on request.
* with cooling flange
! It should be noted that the extremal values of each operating parameter cannot be applied at the same time because of their interaction.
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)
- Compliant to TA Luft (German Clean Air Act)
Recommended applications
- Gases and liquids
- Media which require high purity
- Chemical industry
- Food and beverage industry
- Pharmaceutical industry
- Agitators
- Reactors
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
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.
AGSZ491K(L)-D
Variant with special connection dimensions for glass-lined vessels.
AGSZ451K(L)-D
Version with special connection dimensions or unstepped shafts. For steel vessels.