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SS-Cartex-GSDN: Burgmann Cartex-GSDN replacement

Description:
SS-Cartex-GSDN: Replacement of Burgmann Cartex-GSDN mechanical seal, dry gas seal

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Features
Equivalent to Burgmann Cartex-GSDN
Stationary springs
Rotating seat
Double seal
Balanced
Cartridge unit
Standard version with V-grooves,
U-grooves optional (independent of direction of rotation)
Gas-lubricated, gas-buffered
Does not open in the event of buffer pressure failure, self closing at pressure reversal

Advantages
Contact-free operation
No friction on the seal faces, no heat generated at the seal or in the medium
No additional complex components to dissipate frictional heat
Maximum environmental protection and maximum efficiency

Operating range
Shaft diameter: d1 = 30 … 100 mm (1.18" ... 3.94")
Pressure:
p1 = 13 bar (189 PSI),
p3 = 16 bar (232 PSI)
with V-grooves (uni-directional)
p1 = 9 bar (131 PSI),
p3 = 12 bar (174 PSI)
with U-grooves (bi-directional)
Differential pressure (p3 - p1) = min. 3 bar (44 PSI)
Operating temperature limits for:
EPDM -20 °C … +140 °C (-4 °F ... +284 °F)
FFKM -20 °C … +120 °C (-4 °F ... 248 °F)
FKM -20 °C … +170 °C (-4 °F ... 338 °F)
Sliding velocity: vg = 4 … 15 m/s (13 ... 49 ft/s)
Axial movement: ± 1.0 mm

Materials
Seal face: Silicon carbide (Q1/Q19)
Seat: Silicon carbide (Q19/Q1)
Secondary seals: FKM (V), EPDM (E),FFKM (K)
Spring: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Hastelloy®C-4 (M)


SS-Cartex-GSDN Dimensions(mm)
d1 d2 d3(min) d3(max) l4 l5 l6 l7 a2 da s
30 52 54 57 25.4 86 33 53 67 105 14
33 55 57 60 25.4 86 33 53 70 108 14
35 57.5 59 62 25.4 86 33 53 72 110 14
38 61 63 70 25.4 86 33 53 75 123 14
40 61 63 70 25.4 86 33 53 77 123 16
43 64 66 70 25.4 86 33 53 80 133 16
45 67 68 75 25.4 86 33 53 82 138 16
48 70 71 77 25.4 86 33 53 85 138 16
50 71 73 78 25.4 86 33 53 87 148 16
53 75.3 77 82 28.5 89 33 56 97 148 18
60 83.5 85 90 28.5 89 33 56 104 155 18
65 93 95 102 25.4 100 41.6 58.4 116 163 18
70 101 102 110 25.4 100 41.6 58.4 124 178 18
75 107 108 119 28 107 41.6 58.4 129 193 18
80 111 111 124 28 107 41.6 58.4 129 198 18
90 121 121 131 28 107 41.6 58.4 140 205 22
100 130 132 144 28 107 41.6 58.4 154 218 22