25bar Cartex Burgmann Mechanical Seal 363PSI Hastelloy Dual Seal Pump
EagleBurgmann Cartex Dual Seal Standard Cartridge Mechanical Seals for Pumps
- Mechanical seals
- Mechanical seals for pumps
- Standard cartridge seals
- Cartex Dual seals
| Cartex-DN Dimensions | ||||||||||
| D1 | D2 | D3min | D3max | L | L12 | L2 | L3 | Dm | Dz | S |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 43.0 | 44.0 | 51.5 | 86.5 | 53.4 | 33.1 | 25.4 | 62 | 105 | 13.2 |
| 28 | 46.0 | 47.0 | 52.0 | 86.5 | 53.4 | 33.1 | 25.4 | 62 | 105 | 13.2 |
| 30 | 48.0 | 49.0 | 56.0 | 86.5 | 53.4 | 33.1 | 25.4 | 65 | 105 | 13.2 |
| 32 | 49.8 | 51.0 | 57.0 | 86.5 | 53.4 | 33.1 | 25.4 | 67 | 108 | 13.2 |
| 33 | 49.8 | 51.0 | 57.0 | 86.5 | 53.4 | 33.1 | 25.4 | 67 | 108 | 13.2 |
| 35 | 53.0 | 54.0 | 61.5 | 86.5 | 53.4 | 33.1 | 25.4 | 70 | 113 | 13.2 |
| 38 | 56.0 | 57.0 | 66.0 | 86.5 | 53.4 | 33.1 | 25.4 | 75 | 123 | 13.2 |
| 40 | 58.0 | 59.0 | 68.0 | 86.5 | 53.4 | 33.1 | 25.4 | 75 | 123 | 14.2 |
| 42 | 60.5 | 61.5 | 69.5 | 86.5 | 53.4 | 33.1 | 25.4 | 80 | 133 | 14.2 |
| 43 | 60.5 | 61.5 | 70.5 | 86.5 | 53.4 | 33.1 | 25.4 | 80 | 133 | 14.2 |
| 45 | 62.5 | 64.0 | 73.0 | 86.5 | 53.4 | 33.1 | 25.4 | 81 | 138 | 14.2 |
| 48 | 65.6 | 67.0 | 75.0 | 86.5 | 53.4 | 33.1 | 25.4 | 84 | 138 | 14.2 |
| 50 | 68.0 | 69.0 | 78.0 | 86.5 | 53.4 | 33.1 | 25.4 | 87 | 148 | 14.2 |
| 53 | 72.0 | 73.0 | 87.0 | 86.5 | 53.4 | 33.1 | 25.4 | 97 | 148 | 18.0 |
| 55 | 73.0 | 74.0 | 88.0 | 86.5 | 53.4 | 33.1 | 25.4 | 90 | 148 | 18.0 |
| 60 | 78.0 | 79.0 | 91.0 | 86.5 | 53.4 | 33.1 | 25.4 | 102 | 157 | 18.0 |
| 65 | 84.8 | 85.7 | 98.5 | 86.5 | 53.4 | 33.1 | 25.4 | 109 | 163 | 18.0 |
| 70 | 93.0 | 95.0 | 108.0 | 86.5 | 53.4 | 33.1 | 25.4 | 118 | 178 | 18.0 |
| 75 | 100.0 | 101.6 | 118.0 | 108.0 | 63.9 | 44.1 | 28.0 | 129 | 190 | 18.0 |
| 80 | 106.4 | 108.0 | 124.0 | 108.0 | 63.9 | 44.1 | 28.0 | 135 | 195 | 18.0 |
| 85 | 109.5 | 111.1 | 128.0 | 108.0 | 63.9 | 44.1 | 28.0 | 139 | 198 | 22.0 |
| 90 | 115.9 | 117.5 | 135.0 | 108.0 | 63.9 | 44.1 | 28.0 | 145 | 205 | 22.0 |
| 95 | 119.1 | 120.7 | 138.0 | 108.0 | 63.9 | 44.1 | 28.0 | 148 | 208 | 22.0 |
| 100 | 125.4 | 127.0 | 144.0 | 108.0 | 63.9 | 44.1 | 28.0 | 154 | 218 | 22.0 |
- Dual seal
- Cartridge
- Balanced
- Independent of direction of rotation
- Double pressure balanced
- Integrated pumping device
- Variants available: for eccentric screw pumps (-Vario) and gas-lubricated version (-GSDN)
- Ideal seal for standardizations
- Universal applicable for packings conversions, retrofits or OEM
- No dimensional modification of the seal chamber (centrifugal pumps) necessary, small radial installation height
- No damage of the shaft by dynamically loaded O-Ring
- Extended service life
- No damage caused by dirt entered during assembly
- Straightforward and easy installation due to pre-assembled unit
- Individual adaptation to pump design possible
- Customer specific versions available
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
Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K), Perfluorocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
- Compliant to TA Luft (German Clean Air Act)
- Petrochemical industry
- Chemical industry
- Pharmaceutical industry
- Power plant technology
- Pulp and paper industry
- Mining industry
- Food and beverage industry
- Sugar industry
- CCUS
- Lithium
- Hydrogen
- Sustainable plastics production
- Alternative fuels production
- Power generation
- Nuclear power technology
- Universally applicable
- Centrifugal pumps
- Eccentric screw pumps
The EagleBurgmann QFT1000 buffer system and QFT2000 vessels are suitable for Cartex-DN in back-to-back arrangement. The EagleBurgmann TS1016 and TS2000 thermosiphon systems support double and back-to-back seal configurations.
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