Mechanical Seal for Pumps
Product Description
- Balanced
- Cartridge
- Double Pressure Balanced
- Dual seal
- Independent of rotation of direction
- Integrated pumping device
- Variants available: for eccentric screw pumps
Technical Features
- Cost-effective
- Easy Installation due to pre-assembled unit (reduced down-times)
- Extended service life
- Ideal seal for standardizations
- No damage of the shaft by dynamically loaded O-Ring
- Universal applicable for packing conversions retrofits OEM
Typical Industial Applications
- Chemical Industry
- Food and beverage industry
- Petrochemical industry
- Pharmaceutical industry
- Universally applicable
- Water and waste water technology
- Centrifugal pumps
- Eccentric screw pumps
Operating Range
Sizes: d1 = Upto 100 mm (Upto 4.000" Other sizes on requestTemperature: t= -40 °C ... 220 °C (-40 °F ... 428 °F)
(Check O-Ring resistance)
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Speed = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p1 = 20 bar (290 PSI)
Speed = 10 m/s (33 ft/s)
Barrier fluid circulation system: p3max = 25 bar (363 PSI)
Δp (p3 - p1) ideal = 2 ... 3 bar (29 ... 44 PSI),
7 bar (102 PSI) for barrier media with poor lubricating properties)
Pump startup: Δp (p3 - p1)max = 25 bar (363 PSI) allowed
Recommended supply medium: max. ISO VG 5
Permissible axial movement: ± 1.0 mm, d1 >= 75 mm ± 1.5 mm
Details
| Item No. | Description |
|---|---|
| 1 | Seal face |
| 2, 5, 7, 10, 13 15 | O-Ring |
| 3 | Spring |
| 4 | Seat |
| 6 | Shaft sleeve |
| 8 | Cover |
| 9 | Seal face |
| 11 | Spring |
| 12 | Seat |
| 14 | Drive collar |
| 16 | Set screw |
| 17 | Snap ring |
| 18 | Assembly fixture |
| 19 | Hex socket head screw |
| 20 | Gasket |
| 21 | Screw plug |
| 22 | Gasket |
