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AS-CSE: Burgmann CSE replacement

Description:
AS-CSE: Replacement of Burgmann CSE mechanical seal dry gas seal

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Features
Equivalent to Burgmann CSE
Non-contact type barrier seal
Gas-lubricated
Bi-directional
Ready-to-fit cartridge unit
Equipped with Espey carbon rings type WKA400

Operating range
Shaft diameter: Ds1 = 29.5 ... 379.5 mm (1.16" ... 14.94")
Supply pressure for separation gas: min. 2 barg (29 PSIG)
Operation pressure of separation gas (p2): 0.05 ... 10 barg (0.7 ... 145 PSIG)
Sliding velocity at DN: vg 0 ... 200 m/s (656 ft/s)
Temperature: –20 °C ... +100 °C (–4 °F ... 212 °F)*
Separation gas: Air or nitrogen
No limitation of dew point of separation gas
Run-out of shaft: max. 20 μm*
Vibrations peak/peak (in the area of compressor bearing):
Smax = 3.5 x 25.4 √12,000/nmax
Smax = 275 μm (short term)
* Can be exceeded with adjusted design

Materials
Seal face: Carbon graphite impregnated
Secondary seals: FKM (V)
Shaft sleeve: Stainless steel, TC-coated
Metal parts: 1.4006 or other stainless steels


AS-CSE Dimensions
DN ds1 max. d2 lb
50 29.5 98 27
55 34.5 103 27
60 39.5 108 27
65 44.5 113 27
70 49.5 118 27
75 54.5 123 27
80 59.5 128 27
85 64.5 133 27
90 69.5 138 27
95 74.5 143 27
100 79.5 148 27
105 84.5 153 27
110 89.5 158 27
115 94.5 163 27
120 99.5 168 27
130 109.5 178 27
135 114.5 183 27
140 119.5 188 27
150 129.5 198 27
160 139.5 208 27
170 149.5 222 28
180 159.5 232 28
190 169.5 242 32.5
200 179.5 252 32.5
210 189.5 262 32.5
215 194.5 272 32.5
220 199.5 272 32.5
230 209.5 282 32.5
235 214.5 287 32.5
240 219.5 292 33.5
250 229.5 302 33.5
260 239.5 312 33.5
270 249.5 322 33.5
280 259.5 343 34.5
290 269.5 353 34.5
300 279.5 363 34.5
310 289.5 373 34.5
320 299.5 379 34.5
330 309.5 393 34.5
340 319.5 400 34.5
380 359.5 443 34.5
390 369.5 453 34.5
400 379.5 463 34.5