SLFO 25 EXT GALV KIT
Art. No. 235467
- Aperture dimension Ø (mm)
- 35 - 45
- External dimensions ØxZ (mm)
- 154 x 90
- Internal Ø (mm)
- 25.5
- Weight (kg)
- 1.77
Roxtec round frames/seals
SLFO/Ext sleeve kit
Roxtec round frames/seals · Roxtec
The Roxtec SLFO/Ext is an openable sleeve with a wide flange to comply with minimum edge distance between bolt and opening. The SLFO/Ext sleeve kit includes sealing strip and washers, acting as compression stops, for a tight fit when bolted to uneven structures such as concrete.
- Attachment by bolting, Ideal for bolting to concrete structures
Pricing, availability, and lead time are confirmed on quote — send your quantities and application details and a human responds.
Article numbers and specifications
Select the closest article number, then include the opening, cable or pipe sizes, quantity, and required date in the request.
SLFO 31 EXT GALV KIT
Art. No. 235473
- Aperture dimension Ø (mm)
- 41 - 51
- External dimensions ØxZ (mm)
- 160 x 55
- Internal Ø (mm)
- 32
SLFO 43 EXT GALV KIT
Art. No. 235479
- Aperture dimension Ø (mm)
- 53 - 63
- External dimensions ØxZ (mm)
- 172 x 90
- Internal Ø (mm)
- 44
SLFO 50 EXT GALV KIT
Art. No. 235483
- Aperture dimension Ø (mm)
- 60 - 70
- External dimensions ØxZ (mm)
- 183 x 90
- Internal Ø (mm)
- 51
- Weight (kg)
- 2.8
SLFO 68 EXT GALV KIT
Art. No. 235493
- Aperture dimension Ø (mm)
- 78 - 88
- External dimensions ØxZ (mm)
- 203 x 90
- Internal Ø (mm)
- 69
- Weight (kg)
- 3.23
SLFO 70 EXT GALV KIT
Art. No. 235495
- Aperture dimension Ø (mm)
- 80 - 90
- External dimensions ØxZ (mm)
- 203 x 90
- Internal Ø (mm)
- 71
SLFO 75 EXT GALV KIT
Art. No. 235497
- Aperture dimension Ø (mm)
- 85 - 95
- External dimensions ØxZ (mm)
- 209 x 90
- Internal Ø (mm)
- 76.5
- Weight (kg)
- 3.2
SLFO 100 EXT GALV KIT
Art. No. 235449
- Aperture dimension Ø (mm)
- 120 - 130
- External dimensions ØxZ (mm)
- 274 x 90
- Internal Ø (mm)
- 101
- Weight (kg)
- 4.7
SLFO 125 EXT GALV KIT
Art. No. 235451
- Aperture dimension Ø (mm)
- 145 - 155
- External dimensions ØxZ (mm)
- 300 x 90
- Internal Ø (mm)
- 126
- Weight (kg)
- 5.36
SLFO 127 EXT GALV KIT
Art. No. 235453
- Aperture dimension Ø (mm)
- 147 - 157
- External dimensions ØxZ (mm)
- 300 x 90
- Internal Ø (mm)
- 128
SLFO 135 EXT GALV KIT
Art. No. 235455
- Aperture dimension Ø (mm)
- 155 - 165
- External dimensions ØxZ (mm)
- 309 x 90
- Internal Ø (mm)
- 136
SLFO 150 EXT GALV KIT
Art. No. 235457
- Aperture dimension Ø (mm)
- 170 - 180
- External dimensions ØxZ (mm)
- 324 x 90
- Internal Ø (mm)
- 151
- Weight (kg)
- 5.7
SLFO 175 EXT GALV KIT
Art. No. 235459
- Aperture dimension Ø (mm)
- 195 - 205
- External dimensions ØxZ (mm)
- 349 x 90
- Internal Ø (mm)
- 176
- Weight (kg)
- 6.6
SLFO 185 EXT GALV KIT
Art. No. 235461
Quote this article numberSLFO 200 EXT GALV KIT
Art. No. 235463
- Aperture dimension Ø (mm)
- 220 - 230
- External dimensions ØxZ (mm)
- 374 x 90
- Internal Ø (mm)
- 201
- Weight (kg)
- 7
SLFO 225 EXT GALV KIT
Art. No. 235465
- Aperture dimension Ø (mm)
- 245 - 255
- External dimensions ØxZ (mm)
- 439 x 90
- Internal Ø (mm)
- 227
- Weight (kg)
- 8.3
SLFO 250 EXT GALV KIT
Art. No. 235469
- Aperture dimension Ø (mm)
- 270 - 280
- External dimensions ØxZ (mm)
- 464 x 90
- Internal Ø (mm)
- 252
SLFO 300 EXT GALV KIT
Art. No. 235471
- Aperture dimension Ø (mm)
- 320 - 330
- External dimensions ØxZ (mm)
- 514 x 90
- Internal Ø (mm)
- 301
- Weight (kg)
- 14.3
SLFO 350 EXT GALV KIT
Art. No. 235475
- Aperture dimension Ø (mm)
- 370 - 380
- External dimensions ØxZ (mm)
- 564 x 90
- Internal Ø (mm)
- 352
- Weight (kg)
- 15.76
SLFO 450 EXT GALV KIT
Art. No. 235481
- Aperture dimension Ø (mm)
- 470 - 480
- External dimensions ØxZ (mm)
- 664 x 90
- Internal Ø (mm)
- 452
SLFO 500 EXT GALV KIT
Art. No. 235485
- Aperture dimension Ø (mm)
- 520 - 530
- External dimensions ØxZ (mm)
- 714 x 90
- Internal Ø (mm)
- 502
SLFO 550 EXT GALV KIT
Art. No. 235487
- Aperture dimension Ø (mm)
- 570 - 580
- External dimensions ØxZ (mm)
- 764 x 90
- Internal Ø (mm)
- 552
SLFO 600 EXT GALV KIT
Art. No. 235489
- Aperture dimension Ø (mm)
- 620 - 630
- External dimensions ØxZ (mm)
- 814 x 90
- Internal Ø (mm)
- 602
SLFO 644 EXT GALV KIT
Art. No. 235491
- Aperture dimension Ø (mm)
- 664 - 674
- External dimensions ØxZ (mm)
- 858 x 90
- Internal Ø (mm)
- 646
SLFO 25 EXT AISI316 KIT
Art. No. 235466
- Aperture dimension Ø (mm)
- 35 - 45
- External dimensions ØxZ (mm)
- 154 x 90
- Internal Ø (mm)
- 25.5
SLFO 31 EXT AISI316 KIT
Art. No. 235472
- Aperture dimension Ø (mm)
- 41 - 51
- External dimensions ØxZ (mm)
- 160 x 55
- Internal Ø (mm)
- 32
SLFO 43 EXT AISI316 KIT
Art. No. 235478
- Aperture dimension Ø (mm)
- 53 - 63
- External dimensions ØxZ (mm)
- 172 x 90
- Internal Ø (mm)
- 44
SLFO 50 EXT AISI316 KIT
Art. No. 235482
- Aperture dimension Ø (mm)
- 60 - 70
- External dimensions ØxZ (mm)
- 183 x 90
- Internal Ø (mm)
- 51
- Weight (kg)
- 2.8
SLFO 68 EXT AISI316 KIT
Art. No. 235492
- Aperture dimension Ø (mm)
- 78 - 88
- External dimensions ØxZ (mm)
- 203 x 90
- Internal Ø (mm)
- 69
SLFO 70 EXT AISI316 KIT
Art. No. 235494
- Aperture dimension Ø (mm)
- 80 - 90
- External dimensions ØxZ (mm)
- 203 x 90
- Internal Ø (mm)
- 71
- Weight (kg)
- 3.2
SLFO 75 EXT AISI316 KIT
Art. No. 235496
- Aperture dimension Ø (mm)
- 85 - 95
- External dimensions ØxZ (mm)
- 209 x 90
- Internal Ø (mm)
- 76.5
SLFO 100 EXT AISI316 KIT
Art. No. 235448
- Aperture dimension Ø (mm)
- 120 - 130
- External dimensions ØxZ (mm)
- 274 x 90
- Internal Ø (mm)
- 101
- Weight (kg)
- 4.7
SLFO 125 EXT AISI316 KIT
Art. No. 235450
Quote this article numberSLFO 127 EXT AISI316 KIT
Art. No. 235452
- Aperture dimension Ø (mm)
- 147 - 157
- External dimensions ØxZ (mm)
- 300 x 90
- Internal Ø (mm)
- 128
SLFO 150 EXT AISI316 KIT
Art. No. 235456
Quote this article numberSLFO 175 EXT AISI316 KIT
Art. No. 235458
- Aperture dimension Ø (mm)
- 195 - 205
- External dimensions ØxZ (mm)
- 349 x 90
- Internal Ø (mm)
- 176
SLFO 185 EXT AISI316 KIT
Art. No. 235460
- Aperture dimension Ø (mm)
- 205 - 215
- External dimensions ØxZ (mm)
- 359 x 90
- Internal Ø (mm)
- 186
SLFO 200 EXT AISI316 KIT
Art. No. 235462
- Aperture dimension Ø (mm)
- 220 - 230
- External dimensions ØxZ (mm)
- 374 x 90
- Internal Ø (mm)
- 201
- Weight (kg)
- 7.2
SLFO 225 EXT AISI316 KIT
Art. No. 235464
- Aperture dimension Ø (mm)
- 245 - 255
- External dimensions ØxZ (mm)
- 439 x 90
- Internal Ø (mm)
- 227
- Weight (kg)
- 9.7
SLFO 250 EXT AISI316 KIT
Art. No. 235468
- Aperture dimension Ø (mm)
- 270 - 280
- External dimensions ØxZ (mm)
- 464 x 90
- Internal Ø (mm)
- 252
SLFO 300 EXT AISI316 KIT
Art. No. 235470
- Aperture dimension Ø (mm)
- 320 - 330
- External dimensions ØxZ (mm)
- 514 x 90
- Internal Ø (mm)
- 301
- Weight (kg)
- 13.9
SLFO 350 EXT AISI316 KIT
Art. No. 235474
- Aperture dimension Ø (mm)
- 370 - 380
- External dimensions ØxZ (mm)
- 564 x 90
- Internal Ø (mm)
- 352
- Weight (kg)
- 15.6
SLFO 400 EXT AISI316 KIT
Art. No. 235476
- Aperture dimension Ø (mm)
- 420 - 430
- External dimensions ØxZ (mm)
- 614 x 90
- Internal Ø (mm)
- 402
- Weight (kg)
- 16
SLFO 450 EXT AISI316 KIT
Art. No. 235480
- Aperture dimension Ø (mm)
- 470 - 480
- External dimensions ØxZ (mm)
- 664 x 90
- Internal Ø (mm)
- 452
SLFO 500 EXT AISI316 KIT
Art. No. 235484
- Aperture dimension Ø (mm)
- 520 - 530
- External dimensions ØxZ (mm)
- 714 x 90
- Internal Ø (mm)
- 502
SLFO 550 EXT AISI316 KIT
Art. No. 235486
- Aperture dimension Ø (mm)
- 570 - 580
- External dimensions ØxZ (mm)
- 764 x 90
- Internal Ø (mm)
- 552
- Weight (kg)
- 19.3
SLFO 600 EXT AISI316 KIT
Art. No. 235488
Quote this article numberSLFO 644 EXT AISI316 KIT
Art. No. 235490
Quote this article numberReference documents
These links open current files hosted by Roxtec. Check the source document revision before use.
- SLFO EXT (en) pdf (manufacturer document)
Source-listed certificates
Certificate rows reproduce factual source fields. They do not confirm applicability to a specific assembly. Open the source record and ask AMFSS to check the application.
| Authority | Rating | Division / structure | Cable | Pipe | Type approval | Status |
|---|---|---|---|---|---|---|
| RISE | E fire EI fire | Brickwork Concrete Concrete or Brickwork Lightweight concrete | Construction | — | 0402-CPR-C500582 | No renewal status stated |
| Roxtec International AB | E fire EI fire | Brickwork Concrete Concrete or Brickwork Lightweight concrete | Construction | — | CE Declaration of Conformity (ETA-24/1177) | No renewal status stated |
| Roxtec International AB | E fire EI fire | — | Construction | — | CE Declaration of Performance (DoP) ETA 24/1177 | No renewal status stated |
Source checked 2026-08-08: official Roxtec product page.
About Roxtec round frames/seals
Roxtec round frames and seals cover round cable and pipe entry arrangements. Selection depends on the opening, cable or pipe dimensions, attachment method, and project requirements.
Typical applications:
- Round openings
- Sleeves and core-drilled holes
- Cable and pipe entries
Not sure this is the right product? Compare the Roxtec round frames/seals family or describe your application.