U164 Single & Dual Seals (Top-side Entry)
Product Description
- Single and Dual seal configuration
- Unbalanced design
- Independent of direction of rotation
- Cartridge construction
- Designed for top entry vessels
- Rotary unit with multiple springs
- Construction with Integrated bearing
also available - For glass-lined vessels, design
according to DIN 28138 T2 - U164 Single & Dual Seals (Top-side Entry)
Details | |
---|---|
Item No. | Description |
1 | Seal face, atmosphere side |
2 | Seal face, product side |
6, 7, 13, 14, 15 | O-Ring |
11 | Seat, product side |
12 | Seat, atmosphere side |


- Available with or without floating bearing
- Double seals can be applied at higher pressure and rotating speed
- Suitable for standardizations
- Rugged design to ensure long term reliability and operating life
- Seals are assembled in cartridge construction for easy fitment
- Over all connecting dimensions are tailor made to customer's specifications
- The seal design is unique as it closes due to the hydraulic product pressure as well as overlaying barrier pressure
- Chemical industry
- Non-toxic media with single seal
- Pharmaceutical industry
- Toxic media with double seal
- Agitators
- Reactors
- FDA
DIN 28136 T3 (for glass-lined vessels)
DIN 28137 T2 (flange connection for glasslined vessels)
DIN 28159 (shaft end for glass-lined vessels)
- Options:
Cooling or heating flange Leakage drain, flush or heating flange
Leakage drain or flush
Polymerization barrier, leakage drain or flush
- According to application and customer's specifications
- Sizes: d3 = Upto 160 mm (Upto 6.500’’)
- Pressure: p1 = vacuum ... 16 bar (232 PSI), p3 = max. 18 bar (261 PSI)
- Temperature: t1 = -40 °C ... +200 (250) °C (-40 °F ...
+392 (482) °F)
Speed = 0 ... 5 m/s (0 ... 16 ft/s)