Product details
Features
For top drive entries
Multiple springs rotating
Balanced
Double seal
Independent of direction of rotation
Liquid-lubricated
Cartridge unit
On request with integrated bearing
Advantages
Patented hydrodynamic grooves
High reliability and long service life
Designed for high pressure range
Ready-to-fit and factory-tested units
Connection dimensions to customer's requirements
Due to the hydraulic product pressure as well overlaying barrier pressure closes the seal.
Operating range
Shaft diameter:
dw = 20 ... 400 mm (0.79" ... 15.75")
Pressure:
p1 = vacuum ... 250 bar (... 3,625 PSI)*,
p3 = p1 + 10 %
Temperature:
t = -40 C... +200 (350) C
(-40 F ... +392 (662) F)
Sliding velocity:
vg = 0 ... 5 m/s (0 ... 16 ft/s)
* Depending on size, from 100 ... 150 bar (1,450 ... 2,175 PSI) executed as tandem seal (pressure reduction in 2 stages).
Materials
According to application and customer's specification
Recommended applications
Petrochemical industry
Chemical industry
Pharmaceutical industry
Suitable for all media
Reactors
Agitators
Dryers
Mixers
Filter
Special rotating equipment
Service
provide specialised design
provide processing service according to constomer's need
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