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SS-Apitex: Burgmann Apitex replacement

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SS-Apitex: Replacement of Burgmann Apitex mechanical seal

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Features
Repalcement of Burgmann APItex
Single and dual seals
Cartridge
Seal design according API 682 / ISO 21049
Category 1, Type A, Arrangement 1, 2 or 3
Balanced
Independent of direction of rotation
Shrink-fitted seal faces
Solid seats
Single seal with API Plan 11 and 61 (Apitex-SA)
Dual seals with API Plan 52 / 53

Operating range
Shaft diameter: d1 = 20 … 110 mm (0.750" … 4.300"),other sizes on request
Pressure: p1 = 22 bar (319 PSI)
Temperature: t = -40 °C … 260 °C (-40 °F … 500 °F)(>220 °C (428 °F) please inquire)
Sliding velocity: vg = 23 m/s (75 ft/s)

Materials
Seal face: Carbon graphite antimony impregnated (A), Silicon carbide sintered pressureless (Q12)
Seat: Silicon carbide sintered pressureless (Q1)
Secondary seals: FKM (V), FFKM (K), NBR (P), EPDM (E)
Springs: Hastelloy® C-4 (M)* and C-276 (M5)
Metal parts: CrNiMo steel (G)
* EagleBurgmann standard

Advantages
Suitable for pressure reversal
Insensitive to shaft deflections and process fluctuations
Cover distortion cannot cause seat misalignment
Good heat dissipation
No external pump necessary
Pre-assembled unit, ready to install
Low space requirements
Security due to proofed design
Springs protected from the product


SS-APItex Dimensions(mm)
d1 d2 d3 d4 d5 l l1 l2 d Anz. h (min.)
20 50.4 58 105 127 96.5 68.5 28 13.5 4 19.05
25 55.4 63 110 132 96.5 68.5 28 13.5 4 19.05
30 60.4 68 115 137 96.5 68.5 28 13.5 4 19.05
35 65.4 73 120 142 96.5 68.5 28 13.5 4 19.05
40 70.4 78 125 147 96.5 68.5 28 13.5 4 19.05
45 75.4 83 135 162 96.5 68.5 28 17.5 4 19.05
50 80.4 88 140 167 100 72 28 17.5 4 19.05
55 85.4 93 145 172 100 72 28 17.5 4 19.05
60 96 105 160 187 127.5 88 39.5 17.5 4 22.22
65 101 110 165 192 127.5 88 39.5 17.5 4 22.22
70 106 115 170 197 127.5 88 39.5 17.5 4 22.22
75 111 120 175 202 127.5 88 39.5 17.5 4 22.22
80 116 125 185 213 127.5 88 39.5 22 4 22.22
85 123.5 136 190 223 131.5 92 39.5 22 4 25.4
90 128.5 141 195 228 131.5 92 39.5 22 4 25.4
95 133.5 146 200 233 131.5 92 39.5 22 4 25.4
100 138.5 151 205 238 131.5 92 39.5 22 4 25.4
105 143.5 156 210 243 131.5 92 39.5 22 4 25.4
110 152.5 161 215 248 131.5 92 39.5 22 4 25.4