Features
Dual seal
Available for standard (eCartex-ASDN) and big bore (eCartex-ABDN) seal chambers
Cartridge
Balanced
Independent of direction of rotation
Double pressure balanced
Integrated pumping device
Advantages
The series has sliding surfaces that are equipped with EagleBurgmann DiamondFace technology as standard
Up to 80 % less energy consumption and minimized heat generation of seal due to friction-reducing DiamondFace layer
Up to 100 % extended operating period, prolongation of MTBF and MTBR intervals
Significantly improved dry-run capability for inadequately lubricated sealing surfaces, thus vastly improved process safety
Universally applicable, even with high solids content in the medium
Operating range
Shaft diameter:
d1 = 25 ... 100 mm (1.000" ... 4.000")
Other sizes on request
Temperature:
t= -40°C ... 220°C (-40°F ... 428°F)
(Check O-Ring resistance)
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p1 = 20 bar (290 PSI)
Sliding velocity: vg = 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
Axial movement: ±1.0 mm, d1 ≥75 mm ±1.5 mm
Materials
Seal face product side: Silicon carbide DiamondFace® (Q15)
Seat product side: Silicon carbide DiamondFace® (Q15)
Seal face atmospheric side: Carbon graphite resin impregnated (B)
Seat atmospheric side: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K), Perfluorcarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
Recommended applications
Process industry
Petrochemical industry
Chemical industry
Pharmaceutical industry
Power plant technology
Pulp and paper industry
Water and waste water technology
Mining industry
Food and beverage industry
Universally applicable
ANSI process pumps
Service
Provide special design
According to the requirements and conditions for the custom processing
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