B700N
Product Description
- Single seal configuration
- Balanced design
- Independent of direction of rotation
- For stepped shafts
- Multiple or wave springs rotary
construction - Pumping device available for increased
efficiency in circulation (B700F, B750F) - High temperature application with
cooled stationary seats available. - B700N Single Balanced Seals: High-performance seals designed for optimal sealing in demanding industrial applications.
Details | |
---|---|
Item No. | Description |
1.1 | Seal face |
1.2 | Drive collar |
1.3 | Thrust ring |
1.4 | O-Ring |
1.5 | Spring |
1.6 | Set screw |
2 | Seat (G9) |
3 | O-Ring |


- Versatile torque transmission available
- Capable of self cleaning
- Short installation length available on request
- Multifaceted application usage
- Boiler feed pumps
- Hot water applications
- Light hydrocarbons
- Oil and gas industry
- Petrochemical industry
- Power plant technology
- Process pumps
- Refining technology
- EN 12756
- Seal face: Silicon carbide (Q1, Q2), Carbon graphite antimony impregnated (A), Aluminium oxide (V), CrMo cast steel (S)
- Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1*, Q2*)
- Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
- Springs: CrNiMo steel (G)
- Metal parts: CrNiMo steel (G), Duplex (G1)
* Cannot be combined with seal face made of S
- Sizes: d1 =Upto 100 mm (Upto 4.000’’)
(Single spring: d1 = max. Upto 100 mm
(Upto 4.000’’) - Pressure:
p1 = 80 bar (1160 PSI) for d1 = 14 ... 100 mm,
p1 = 25 bar (363 PSI) for d1 = 100 ... 200 mm,
p1= 16 bar (232 PSI) for d1 > 200 mm
- Temperature: t = - 50 °C...+220 °C
(-58 °F...+428 °F)
- Speed = 20 m/s (66 ft /s)
- Permissible axial movement:
d1 up to 22 mm: ± 1.0 mm
d1 24 up to 58 mm: ± 1.5 mm
d1 from 60 mm: ± 2.0 mm