The R-CARTEX double cartridge seal(DN) is a fully assembled unit for use in the oil seal chambers of pumps. With an arbitrary direction of rotation, with double hydraulic discharge-the R-CARTEX(DN) deflection has proven itself perfectly in the chemical, petrochemical, pharmaceutical, sugar, food, and paper industries. The built-in valve fluid circulation system allows you to do without additional circulation devices. A shut-off fluid supply system is required.
Shaft diameter:
d1 = 25 ... 100 mm (1.000 "... 4.000")
Temperature:
t = -40°C ... 220°C (-40°F ... 428°F)
For a combination of graphite/silicon carbide friction pairs-operating pressure: p1 = 25 bar (363 PSI)
Sliding speed: vg = 16 m/s (52 ft / s)
For combination of silicon carbide/ silicon carbide or silicon carbide/ tungsten carbide-pressure: p1 = 20 bar ( 290 PSI)
Sliding speed: vg = 10 m/s (33 ft / s)
Barrier fluid circulation system:
p3 max = 25 bar (363 PSI)
Δp (p3 - p1) ideal = 2 ... 3 bar (29 .. 44 lb / sq. Inch),
7 bar (102 psi) for barrier media with poor lubricating properties.
Starting the pump:
Δp (p3 - p1) max = allowed 25 bar (363 PSI)
Recommended working environment:
max ISO VG 5
Axis travel: ± 1.0 mm, d1 ≥75 mm ± 1.5 mm
