Roxtec round frames/seals

Roxtec SLF RS sleeve

Roxtec round frames/seals · Roxtec

The Roxtec SLF RS sleeve with flange is designed to cover imprecise openings and suitable for a range of Roxtec RS sealing solutions.

Attachment by bolting

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.

SLFRS 25 PRIMED

Art. No. ASF1000250012

Aperture dimension Ø (mm): 38 - 44
External dimensions ØxZ (mm): 96 x 35
Internal Ø (mm): 25.5
Weight (kg): 0.26

Quote this article number

SLFRS 31 PRIMED

Art. No. ASF1000310012

Aperture dimension Ø (mm): 44 - 50
External dimensions ØxZ (mm): 102 x 35
Internal Ø (mm): 31.5
Weight (kg): 0.3

Quote this article number

SLFRS 43 PRIMED

Art. No. ASF1000430012

Aperture dimension Ø (mm): 56 - 62
External dimensions ØxZ (mm): 110 x 65
Internal Ø (mm): 44
Weight (kg): 0.5

Quote this article number

SLFRS 50 PRIMED

Art. No. ASF1000500012

Aperture dimension Ø (mm): 67 - 73
External dimensions ØxZ (mm): 140 x 65
Internal Ø (mm): 51
Weight (kg): 0.93

Quote this article number

SLFRS 68 PRIMED

Art. No. ASF1000680012

Aperture dimension Ø (mm): 87 - 93
External dimensions ØxZ (mm): 155 x 65
Internal Ø (mm): 69.5
Weight (kg): 1.23

Quote this article number

SLFRS 75 PRIMED

Art. No. ASF1000750012

Aperture dimension Ø (mm): 93 - 99
External dimensions ØxZ (mm): 165 x 65
Internal Ø (mm): 76.5
Weight (kg): 1.29

Quote this article number

SLFRS 100 PRIMED

Art. No. ASF1001000012

Aperture dimension Ø (mm): 118 - 128
External dimensions ØxZ (mm): 195 x 65
Internal Ø (mm): 101
Weight (kg): 1.72

Quote this article number

SLFRS 125 PRIMED

Art. No. ASF1001250012

Aperture dimension Ø (mm): 144 - 154
External dimensions ØxZ (mm): 213 x 65
Internal Ø (mm): 126
Weight (kg): 2.07

Quote this article number

SLFRS 150 PRIMED

Art. No. ASF1001500012

Aperture dimension Ø (mm): 168 - 178
External dimensions ØxZ (mm): 236 x 65
Internal Ø (mm): 151
Weight (kg): 2.34

Quote this article number

SLFRS 175 PRIMED

Art. No. ASFR101750012

Aperture dimension Ø (mm): 193 - 203
External dimensions ØxZ (mm): 255 x 65
Internal Ø (mm): 176
Weight (kg): 2.6

Quote this article number

SLFRS 200 PRIMED

Art. No. ASFR100020012

Aperture dimension Ø (mm): 218 - 228
External dimensions ØxZ (mm): 290 x 65
Internal Ø (mm): 201
Weight (kg): 3

Quote this article number

SLFRS 225 PRIMED

Art. No. 5ASF000005709

Aperture dimension Ø (mm): 243 - 253
External dimensions ØxZ (mm): 320 x 55
Internal Ø (mm): 227
Weight (kg): 3.35

Quote this article number

SLFRS 250 PRIMED

Art. No. ASF1002500012

Aperture dimension Ø (mm): 268 - 278
External dimensions ØxZ (mm): 345 x 55
Internal Ø (mm): 252
Weight (kg): 3.7

Quote this article number

SLFRS 300 PRIMED

Art. No. ASF1003000012

Aperture dimension Ø (mm): 318 - 328
External dimensions ØxZ (mm): 395 x 55
Internal Ø (mm): 302
Weight (kg): 4.4

Quote this article number

SLFRS 350 PRIMED

Art. No. ASF1003500012

Aperture dimension Ø (mm): 368 - 378
External dimensions ØxZ (mm): 445 x 55
Internal Ø (mm): 352
Weight (kg): 5

Quote this article number

SLFRS 400 PRIMED

Art. No. ASF1004000012

Aperture dimension Ø (mm): 418 - 428
External dimensions ØxZ (mm): 495 x 55
Internal Ø (mm): 402
Weight (kg): 5.7

Quote this article number

SLFRS 450 PRIMED

Art. No. ASF1004500012

Aperture dimension Ø (mm): 468 - 478
External dimensions ØxZ (mm): 544 x 55
Internal Ø (mm): 452
Weight (kg): 6.4

Quote this article number

SLFRS 500 PRIMED

Art. No. ASF1005000012

Aperture dimension Ø (mm): 518 - 528
External dimensions ØxZ (mm): 595 x 55
Internal Ø (mm): 502
Weight (kg): 7.6

Quote this article number

SLFRS 550 PRIMED

Art. No. ASF1005500012

Aperture dimension Ø (mm): 568 - 578
External dimensions ØxZ (mm): 645 x 55
Internal Ø (mm): 552
Weight (kg): 8.4

Quote this article number

SLFRS 600 PRIMED

Art. No. ASF1006000012

Aperture dimension Ø (mm): 618 - 628
External dimensions ØxZ (mm): 695 x 55
Internal Ø (mm): 602
Weight (kg): 9.1

Quote this article number

SLFRS 644 PRIMED

Art. No. ASF1006440012

Aperture dimension Ø (mm): 662 - 672
External dimensions ØxZ (mm): 739 x 55
Internal Ø (mm): 646
Weight (kg): 9.7

Quote this article number

SLFRS 25 GALV

Art. No. ASF1000250015

Aperture dimension Ø (mm): 38 - 44
External dimensions ØxZ (mm): 96 x 35
Internal Ø (mm): 25.5
Weight (kg): 0.26

Quote this article number

SLFRS 31 GALV

Art. No. ASF1000310015

Aperture dimension Ø (mm): 44 - 50
External dimensions ØxZ (mm): 102 x 35
Internal Ø (mm): 31.5
Weight (kg): 0.31

Quote this article number

SLFRS 43 GALV

Art. No. ASF1000430015

Aperture dimension Ø (mm): 56 - 62
External dimensions ØxZ (mm): 110 x 65
Internal Ø (mm): 44
Weight (kg): 0.5

Quote this article number

SLFRS 50 GALV

Art. No. ASF1000500015

Aperture dimension Ø (mm): 67 - 73
External dimensions ØxZ (mm): 140 x 65
Internal Ø (mm): 51
Weight (kg): 0.96

Quote this article number

SLFRS 68 GALV

Art. No. ASF1000680015

Aperture dimension Ø (mm): 87 - 93
External dimensions ØxZ (mm): 155 x 65
Internal Ø (mm): 69.5
Weight (kg): 1.26

Quote this article number

SLFRS 75 GALV

Art. No. ASF1000750015

Aperture dimension Ø (mm): 93 - 99
External dimensions ØxZ (mm): 165 x 65
Internal Ø (mm): 76.5
Weight (kg): 1.35

Quote this article number

SLFRS 100 GALV

Art. No. ASF1001000015

Aperture dimension Ø (mm): 118 - 128
External dimensions ØxZ (mm): 195 x 65
Internal Ø (mm): 101
Weight (kg): 1.79

Quote this article number

SLFRS 125 GALV

Art. No. ASF1001250015

Aperture dimension Ø (mm): 144 - 154
External dimensions ØxZ (mm): 213 x 65
Internal Ø (mm): 126
Weight (kg): 2.13

Quote this article number

SLFRS 150 GALV

Art. No. ASF1001500015

Aperture dimension Ø (mm): 168 - 178
External dimensions ØxZ (mm): 236 x 65
Internal Ø (mm): 151
Weight (kg): 2.41

Quote this article number

SLFRS 175 GALV

Art. No. ASFR101750015

Aperture dimension Ø (mm): 193 - 203
External dimensions ØxZ (mm): 255 x 65
Internal Ø (mm): 176
Weight (kg): 2.7

Quote this article number

SLFRS 200 GALV

Art. No. ASFR100020015

Aperture dimension Ø (mm): 218 - 228
External dimensions ØxZ (mm): 290 x 65
Internal Ø (mm): 201
Weight (kg): 3.1

Quote this article number

SLFRS 225 GALV

Art. No. 5ASF000007352

Aperture dimension Ø (mm): 243 - 253
External dimensions ØxZ (mm): 320 x 55
Internal Ø (mm): 227
Weight (kg): 3.4

Quote this article number

SLFRS 250 GALV

Art. No. 5ASF000012345

Aperture dimension Ø (mm): 268 - 278
External dimensions ØxZ (mm): 345 x 55
Internal Ø (mm): 252
Weight (kg): 3.4

Quote this article number

SLFRS 300 GALV

Art. No. 5ASF000012365

Aperture dimension Ø (mm): 318 - 328
External dimensions ØxZ (mm): 395 x 55
Internal Ø (mm): 302
Weight (kg): 4

Quote this article number

SLFRS 350 GALV

Art. No. 105284

Aperture dimension Ø (mm): 368 - 378
External dimensions ØxZ (mm): 445 x 55
Internal Ø (mm): 352
Weight (kg): 4.8

Quote this article number

SLFRS 400 GALV

Art. No. 105285

Aperture dimension Ø (mm): 418 - 428
External dimensions ØxZ (mm): 495 x 55
Internal Ø (mm): 402
Weight (kg): 5.5

Quote this article number

SLFRS 450 GALV

Art. No. 106147

Aperture dimension Ø (mm): 468 - 478
External dimensions ØxZ (mm): 544 x 55
Internal Ø (mm): 452
Weight (kg): 6

Quote this article number

SLFRS 500 GALV

Art. No. 104006

Aperture dimension Ø (mm): 518 - 528
External dimensions ØxZ (mm): 595 x 55
Internal Ø (mm): 502
Weight (kg): 6.7

Quote this article number

SLFRS 550 GALV

Art. No. 153116

Aperture dimension Ø (mm): 568 - 578
External dimensions ØxZ (mm): 645 x 55
Internal Ø (mm): 552
Weight (kg): 8.63

Quote this article number

SLFRS 600 GALV

Art. No. 109612

Aperture dimension Ø (mm): 618 - 628
External dimensions ØxZ (mm): 695 x 55
Internal Ø (mm): 602
Weight (kg): 7

Quote this article number

SLFRS 644 GALV

Art. No. 108393

Aperture dimension Ø (mm): 662 - 672
External dimensions ØxZ (mm): 739 x 55
Internal Ø (mm): 646
Weight (kg): 5

Quote this article number

SLFRS 25 AISI316

Art. No. ASF1000250021

Aperture dimension Ø (mm): 38 - 44
External dimensions ØxZ (mm): 96 x 35
Internal Ø (mm): 25.5
Weight (kg): 0.3

Quote this article number

SLFRS 31 AISI316

Art. No. 5ASF000006222

Aperture dimension Ø (mm): 44 - 50
External dimensions ØxZ (mm): 102 x 35
Internal Ø (mm): 31.5
Weight (kg): 0.3

Quote this article number

SLFRS 43 AISI316

Art. No. 5ASF000003263

Aperture dimension Ø (mm): 56 - 62
External dimensions ØxZ (mm): 110 x 65
Internal Ø (mm): 44
Weight (kg): 0.5

Quote this article number

SLFRS 50 AISI316

Art. No. 5ASF000005723

Aperture dimension Ø (mm): 67 - 73
External dimensions ØxZ (mm): 140 x 65
Internal Ø (mm): 51
Weight (kg): 0.9

Quote this article number

SLFRS 68 AISI316

Art. No. 5ASF000005722

Aperture dimension Ø (mm): 87 - 93
External dimensions ØxZ (mm): 155 x 65
Internal Ø (mm): 69.5
Weight (kg): 1.2

Quote this article number

SLFRS 75 AISI316

Art. No. 5ASF000006223

Aperture dimension Ø (mm): 93 - 99
External dimensions ØxZ (mm): 165 x 65
Internal Ø (mm): 76.5
Weight (kg): 1.3

Quote this article number

SLFRS 100 AISI316

Art. No. 5ASF000003394

Aperture dimension Ø (mm): 118 - 128
External dimensions ØxZ (mm): 195 x 65
Internal Ø (mm): 101
Weight (kg): 1.8

Quote this article number

SLFRS 125 AISI316

Art. No. ASF1001250021

Aperture dimension Ø (mm): 144 - 154
External dimensions ØxZ (mm): 213 x 65
Internal Ø (mm): 126
Weight (kg): 1.7

Quote this article number

SLFRS 150 AISI316

Art. No. 5ASF000006252

Aperture dimension Ø (mm): 168 - 178
External dimensions ØxZ (mm): 236 x 65
Internal Ø (mm): 151
Weight (kg): 2.3

Quote this article number

SLFRS 175 AISI316

Art. No. ASFR101750021

Aperture dimension Ø (mm): 193 - 203
External dimensions ØxZ (mm): 255 x 65
Internal Ø (mm): 176
Weight (kg): 2.6

Quote this article number

SLFRS 200 AISI316

Art. No. ASFR100020021

Aperture dimension Ø (mm): 218 - 228
External dimensions ØxZ (mm): 290 x 65
Internal Ø (mm): 201
Weight (kg): 3.2

Quote this article number

SLFRS 225 AISI316

Art. No. 5ASF000007131

Aperture dimension Ø (mm): 243 - 253
External dimensions ØxZ (mm): 320 x 55
Internal Ø (mm): 227
Weight (kg): 3.1

Quote this article number

SLFRS 250 AISI316

Art. No. 5ASF000006794

Aperture dimension Ø (mm): 268 - 278
External dimensions ØxZ (mm): 345 x 55
Internal Ø (mm): 252
Weight (kg): 3.7

Quote this article number

SLFRS 300 AISI316

Art. No. 5ASF000007350

Aperture dimension Ø (mm): 318 - 328
External dimensions ØxZ (mm): 395 x 55
Internal Ø (mm): 302
Weight (kg): 3.98

Quote this article number

SLFRS 350 AISI316

Art. No. 107710

Aperture dimension Ø (mm): 368 - 378
External dimensions ØxZ (mm): 445 x 55
Internal Ø (mm): 352
Weight (kg): 4.53

Quote this article number

SLFRS 400 AISI316

Art. No. 5ASF000007349

Aperture dimension Ø (mm): 418 - 428
External dimensions ØxZ (mm): 495 x 55
Internal Ø (mm): 402
Weight (kg): 5.15

Quote this article number

SLFRS 450 AISI316

Art. No. 105426

Aperture dimension Ø (mm): 468 - 478
External dimensions ØxZ (mm): 544 x 55
Internal Ø (mm): 452
Weight (kg): 6

Quote this article number

SLFRS 500 AISI316

Art. No. 5ASF000011990

Aperture dimension Ø (mm): 518 - 528
External dimensions ØxZ (mm): 595 x 55
Internal Ø (mm): 502
Weight (kg): 6.4

Quote this article number

SLFRS 550 AISI316

Art. No. 105427

Aperture dimension Ø (mm): 568 - 578
External dimensions ØxZ (mm): 645 x 55
Internal Ø (mm): 552
Weight (kg): 7.6

Quote this article number

SLFRS 600 AISI316

Art. No. 116070

Aperture dimension Ø (mm): 618 - 628
External dimensions ØxZ (mm): 695 x 55
Internal Ø (mm): 602
Weight (kg): 7.6

Quote this article number

SLFRS 644 AISI316

Art. No. 108392

Aperture dimension Ø (mm): 662 - 672
External dimensions ØxZ (mm): 739 x 55
Internal Ø (mm): 646
Weight (kg): 9

Quote this article number

SLFRS 25 ALU

Art. No. 5ASF000008715

Aperture dimension Ø (mm): 38 - 44
External dimensions ØxZ (mm): 96 x 35
Internal Ø (mm): 25.5
Weight (kg): 0.11

Quote this article number

SLFRS 31 ALU

Art. No. 5ASF000002399

Aperture dimension Ø (mm): 44 - 50
External dimensions ØxZ (mm): 102 x 35
Internal Ø (mm): 31.5
Weight (kg): 0.12

Quote this article number

SLFRS 43 ALU

Art. No. 5ASF000002197

Aperture dimension Ø (mm): 56 - 62
External dimensions ØxZ (mm): 110 x 65
Internal Ø (mm): 44
Weight (kg): 0.18

Quote this article number

SLFRS 50 ALU

Art. No. 5ASF000002198

Aperture dimension Ø (mm): 67 - 73
External dimensions ØxZ (mm): 140 x 65
Internal Ø (mm): 51
Weight (kg): 0.31

Quote this article number

SLFRS 68 ALU

Art. No. 5ASF000007125

Aperture dimension Ø (mm): 87 - 93
External dimensions ØxZ (mm): 155 x 65
Internal Ø (mm): 69.5
Weight (kg): 0.41

Quote this article number

SLFRS 75 ALU

Art. No. 5ASF000008716

Aperture dimension Ø (mm): 93 - 99
External dimensions ØxZ (mm): 165 x 65
Internal Ø (mm): 76.5
Weight (kg): 0.43

Quote this article number

SLFRS 100 ALU

Art. No. 5ASF000004042

Aperture dimension Ø (mm): 118 - 128
External dimensions ØxZ (mm): 195 x 65
Internal Ø (mm): 101
Weight (kg): 0.4

Quote this article number

SLFRS 125 ALU

Art. No. 5ASF000003956

Aperture dimension Ø (mm): 144 - 154
External dimensions ØxZ (mm): 213 x 65
Internal Ø (mm): 126
Weight (kg): 0.6

Quote this article number

SLFRS 150 ALU

Art. No. 5ASF000008717

Aperture dimension Ø (mm): 168 - 178
External dimensions ØxZ (mm): 236 x 65
Internal Ø (mm): 151
Weight (kg): 0.8

Quote this article number

Reference documents

These links open current files hosted by Roxtec. Check the source document revision before use.

MOUNTING OF BOLTED FRAMES AND SLEEVES (en) pdf (manufacturer document)
APERTURE DIMENSIONS SL/SLF SERIES (en) pdf (manufacturer document)
S1006852 SLEEVE WITH FLANGE SLFR/RS 23-644 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	Concrete Concrete or Brickwork Lightweight concrete	Construction	Copper Steel	0402-CPR-C500592	No renewal status stated
BV	A class fire Gas tightness (catastrophic) Water tightness (catastrophic)	Other	Marine	ABS Copper Copper-Nickel Fiberglass PB PE Plastic PP PVC PVDF Steel	73351/A1 BV	No renewal status stated
Underwriters Laboratories Inc.	F fire T fire	Concrete	Armored Construction	—	C-BJ-3052	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	Concrete Concrete or Brickwork Lightweight concrete	Construction Telecom	Copper Steel	CE Declaration of Conformity ETA-19/0155	No renewal status stated
Roxtec International AB	E fire EI fire	Concrete Concrete or Brickwork Lightweight concrete	Construction Telecom	Copper Steel	CE Declaration of Performance (DoP) ETA 19/0155	No renewal status stated
Roxtec International AB	E fire EI fire	—	Construction	—	CE Declaration of Performance (DoP) ETA 24/1177	No renewal status stated
Instytut Techniki Bodowlanej	EI fire	Concrete Concrete or Brickwork Lightweight concrete	Construction	Copper Steel	ETA-19/0155	No renewal status stated
DNV	A class fire Gas tightness (catastrophic) Water tightness (catastrophic)	Steel	Armored Marine Shielded Unshielded	—	MEDB00002SA rev5	No renewal status stated
DNV	A class fire Gas tightness (catastrophic) Water tightness (catastrophic)	Steel	Marine	—	MERB00002SA	No renewal status stated
Fraunhofer IPA	—	—	—	—	RO 2601-1704-01	No renewal status stated
Fraunhofer IPA	—	—	—	—	RO 2601-1704-02	No renewal status stated
ClassNK	A class fire Gas tightness (catastrophic) Water tightness (catastrophic)	Aluminium Steel	—	Bundle Copper Copper-Nickel Fiberglass Other Plastic Steel Titanium	TA251517E	No renewal status stated
DNV	Gas tightness (catastrophic) H class fire Water tightness (catastrophic)	Steel	Marine	—	TAF00000D8	No renewal status stated
DNV	Gas tightness (catastrophic) H class fire Water tightness (catastrophic)	Steel	—	Fiberglass Other Steel	TAF00001NG	No renewal status stated
Underwriters Laboratories Inc.	F fire T fire	Sandwich	Armored Construction	Conduit	W-N-8003	No renewal status stated
Underwriters Laboratories Inc.	F fire T fire	—	—	—	XHJI7.R15556	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.

Roxtec SLF RS sleeve

Article numbers and specifications

SLFRS 25 PRIMED

SLFRS 31 PRIMED

SLFRS 43 PRIMED

SLFRS 50 PRIMED

SLFRS 68 PRIMED

SLFRS 75 PRIMED

SLFRS 100 PRIMED

SLFRS 125 PRIMED

SLFRS 150 PRIMED

SLFRS 175 PRIMED

SLFRS 200 PRIMED

SLFRS 225 PRIMED

SLFRS 250 PRIMED

SLFRS 300 PRIMED

SLFRS 350 PRIMED

SLFRS 400 PRIMED

SLFRS 450 PRIMED

SLFRS 500 PRIMED

SLFRS 550 PRIMED

SLFRS 600 PRIMED

SLFRS 644 PRIMED

SLFRS 25 GALV

SLFRS 31 GALV

SLFRS 43 GALV

SLFRS 50 GALV

SLFRS 68 GALV

SLFRS 75 GALV

SLFRS 100 GALV

SLFRS 125 GALV

SLFRS 150 GALV

SLFRS 175 GALV

SLFRS 200 GALV

SLFRS 225 GALV

SLFRS 250 GALV

SLFRS 300 GALV

SLFRS 350 GALV

SLFRS 400 GALV

SLFRS 450 GALV

SLFRS 500 GALV

SLFRS 550 GALV

SLFRS 600 GALV

SLFRS 644 GALV

SLFRS 25 AISI316

SLFRS 31 AISI316

SLFRS 43 AISI316

SLFRS 50 AISI316

SLFRS 68 AISI316

SLFRS 75 AISI316

SLFRS 100 AISI316

SLFRS 125 AISI316

SLFRS 150 AISI316

SLFRS 175 AISI316

SLFRS 200 AISI316

SLFRS 225 AISI316

SLFRS 250 AISI316

SLFRS 300 AISI316

SLFRS 350 AISI316

SLFRS 400 AISI316

SLFRS 450 AISI316

SLFRS 500 AISI316

SLFRS 550 AISI316

SLFRS 600 AISI316

SLFRS 644 AISI316

SLFRS 25 ALU

SLFRS 31 ALU

SLFRS 43 ALU

SLFRS 50 ALU

SLFRS 68 ALU

SLFRS 75 ALU

SLFRS 100 ALU

SLFRS 125 ALU

SLFRS 150 ALU

Reference documents

Source-listed certificates

About Roxtec round frames/seals

Cookie preferences