EagleBurgmann International
UK
UK
UK
UK
UK
UK
EagleBurgmann WELTWEIT
Mit rund 250 Standorten und 90 Servicecentern, sind wir in den bedeutenden Wirtschaftsregionen vertreten. Die Vorteile liegen klar auf der Hand: kurze Wege zu unseren Kunden, schnelle Reaktionszeiten und die gleiche Sprache.
| Item | Description |
| 1 | Seal face |
| 2 | Stationary seat |
| 3 | Bellows |
| 3a | Gasket |
| 4 | Spring |
| 5 | Ring |
| 5a | Drive ring |
| 5b | Collar |
BT-PN
Merkmale
- Rubber bellows mechanical seals
- Unbalanced
- Single spring
- Independent of direction of rotation
Vorteile
The BT-PN is a large series mechanical seal with a simple yet effective design that is easy to assemble. The special spring arrangement allows a short axial installation length. This advantage is combined with an increased working pressure capability of up to 12 bar (174 PSI). The spring is free from torque transmission.
Einsatzbereich
Shaft diameter:
d1* = 8 … 40 mm (0.31" … 1.57")
Pressure: p1** = 12 bar (174 PSI),
vacuum … 0.5 bar (7.45 PSI)
Temperature:
t** = -20 °C … +120 °C (-4 °F … +248 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Operating limits depend on p・vg factor
* Other diameters upon request
** Dependent on medium, size and material
d1* = 8 … 40 mm (0.31" … 1.57")
Pressure: p1** = 12 bar (174 PSI),
vacuum … 0.5 bar (7.45 PSI)
Temperature:
t** = -20 °C … +120 °C (-4 °F … +248 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Operating limits depend on p・vg factor
* Other diameters upon request
** Dependent on medium, size and material
Werkstoffe
Seal face:
Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B), Silicon carbide (Q1, Q6)
Seat:
Aluminium oxide (V), Steatite (X), Silicon carbide (Q1, Q6, Q7)
Elastomers:
NBR (P), FKM (V), EPDM (E)
Metal parts: CrNi steel 1.4301 (F), CrNiMo steel 1.4401 (G)
Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B), Silicon carbide (Q1, Q6)
Seat:
Aluminium oxide (V), Steatite (X), Silicon carbide (Q1, Q6, Q7)
Elastomers:
NBR (P), FKM (V), EPDM (E)
Metal parts: CrNi steel 1.4301 (F), CrNiMo steel 1.4401 (G)
Standards und Freigaben
- KTW
- W270
- ACS
- WRAS
- NSF
- FDA
- DM 174/04
Empfohlene Anwendungen
- Food and beverage industry
- Water and waste water technology
- Pool and spa applications
- Household appliances
- Submersible oil filled motors (4" / 6")
- Submersible pumps, back-to-back installation
- Peripheral pumps for industrial applications
- Domestic and garden pumps
- Coffee machines
- Shower pumps
Produktvarianten
BT-PNL
The small outer diameter of the BT-PNL allows installation in small seal chambers. Easy to assemble, the BT-PNL guarantees a long service life due to good product turbulence and the torque transmitted by the rubber bellows.
The small outer diameter of the BT-PNL allows installation in small seal chambers. Easy to assemble, the BT-PNL guarantees a long service life due to good product turbulence and the torque transmitted by the rubber bellows.
| Item | Description |
| 1 | Seal face |
| 2 | Stationary seat |
| 3 | Bellows |
| 3a | Gasket |
| 4 | Spring |
| 5 | Ring |
| 5a | Drive ring |
| 5b | Collar |
BT-PN and PNL double seal
(back-to-back arrangement)
Both types of seal can also be used as a multiple seal in back-to-back arrangement. This is advisable when the product media cannot ensure lubrication or the solids content is too high (oil chamber). Installation proposals can be supplied upon request. In this configuration, the operating pressure (product side seal) must be limited to max. 2 bar (29 PSI).
(back-to-back arrangement)
Both types of seal can also be used as a multiple seal in back-to-back arrangement. This is advisable when the product media cannot ensure lubrication or the solids content is too high (oil chamber). Installation proposals can be supplied upon request. In this configuration, the operating pressure (product side seal) must be limited to max. 2 bar (29 PSI).
| Item | Description |
| 1.1 | Seal face (product side) |
| 1.2 | Seal face (motor side) |
| 2.1 | Stationary seat (product side) |
| 2.2 | Stationary seat (motor side) |
| 3 | Bellows |
| 3a | Gasket |
| 4 | Spring |
| 5a | Drive ring |
| 5b | Collar |
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