DOYMA table of specification

Tables of sizes and tolerances

Allocations D1 [NB] > 700

Pipe/cable o/d (d) in relation to i/d (D1) of sleeve/core bore and acceptable tolerances for NB of sleeve/core bore.

Pipe/cable external
diameter d [mm]*
Sleeve/core bore internal
diameter D1 [NB in mm]
Tolerance Pipe sleeve external
diameter D2 [mm]
Ø- min D1 Ø- max D1
1 – 24 50** 49 53
1 – 40 80 78.5 83 140
41 – 57 100 98.5 104 160
58 – 77 125 123.5 128 165
78 – 104 150 148.5 153 190
105 – 145 200 199 204 245
146 – 190 250 247 253 300
191 – 233 300 297 304 350
234 – 288 350 347 354 400
289 – 339 400 397 404 470
340 – 380 450 447 454 520
381 – 430 500 497 503 570
431 – 530 600 597 603 680
531 – 620 700 697 703 800
621 – 720 800 797 803 894
721 – 820 900 897 903 1004
821 – 920 1000 997 1003 1114
921 – 1020 1100 1096 1102 1226
1021 – 1110 1200 1196 1202 1338
1066 – 1210 1300 1296 1302 1448
1211 – 1310 1400 1396 1402 1564

* In case of order the exact outer diameter of pipe/cable is required because there are different gasket inserts to seal the pipes – see table below.

** Gaskets for NB 50 only available for core bores or pipe sleeves already installed.

 

Gasket Insert Diameter table of specification

NB of sleeve/core bore according to external diameter of service d.

NB (D1) Ø- of service (d) [mm]
50 1 – 6
7 – 12
13 – 18
19 – 24
80 1 – 6
7 – 13
14 – 21
22 – 28
29 – 35
36 – 40
100 41 – 45
46 – 52
53 – 57
125 58 – 67
68 – 77
150 78 – 85
86 – 94
95 – 104
200 105 – 115
116 – 124
125 – 135
136 – 145
250 146 – 156
157 – 165
166 – 172
173 – 179
180 – 186
187 – 190
NB (D1) Ø- of service (d) [mm]
300 191 – 197
198 – 207
208 – 215
216 – 224
225 – 233
350 234 – 240
241 – 249
250 – 259
260 – 269
270 -278
279 -288
400 289-294
295-300
301-306
307-311
312-317
318-322
323-327
328-333
334-339
450 340-344
345-350
351-356
357-362
363-368
369-370
371-375
376-380
NB (D1) Ø- of service (d) [mm]
500 381-386
387-392
393-397
398-403
404-409
410-415
416-420
421-425
426-430

 

Subject to technical alteration without notice

Attention!
For pipes > NB 500 part numbers do not exist. Please furnish particulars/advise exact measurements.