Roxtec round frames/seals

Roxtec RS B Ex kit

Roxtec round frames/seals · Roxtec

The Roxtec RS B Ex is a round entry seal including a sleeve for bolting. The seal consists of two halves and an adaptable center with removable layers. Compression is integrated in the seal.

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Article numbers and specifications

Select the closest article number, then include the opening, cable or pipe sizes, quantity, and required date in the request.

RS 100 B Ex AISI316 WOC/PRIMED

Art. No. EXRSB0100102112

Aperture dimension Ø (mm)
116 - 118
For cable/pipe Ø (mm)
48 - 70
Weight (kg)
2.9
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RS 125 B Ex AISI316 WOC/PRIMED

Art. No. EXRSB0125102112

Aperture dimension Ø (mm)
142 - 144
For cable/pipe Ø (mm)
66 - 98
Weight (kg)
3.45
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RS 150 B Ex AISI316 WOC/PRIMED

Art. No. EXRSB0150102112

Aperture dimension Ø (mm)
166 - 168
For cable/pipe Ø (mm)
93 - 119
Weight (kg)
4.2
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RS 25 B Ex AISI316/GALV

Art. No. EXRSB0250002118

Aperture dimension Ø (mm)
36 - 36
For cable/pipe Ø (mm)
3.6 - 12
Weight (kg)
0.43
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RS 43 B Ex AISI316/GALV

Art. No. EXRSB0430002118

Aperture dimension Ø (mm)
54 - 54
For cable/pipe Ø (mm)
4 - 23
Weight (kg)
0.92
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RS 50 B Ex AISI316/GALV

Art. No. 101918

Aperture dimension Ø (mm)
65 - 65
For cable/pipe Ø (mm)
8 - 30
Weight (kg)
1.45
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RS 75 B Ex AISI316/GALV

Art. No. EXRSB0750002118

Aperture dimension Ø (mm)
91 - 91
For cable/pipe Ø (mm)
24 - 54
Weight (kg)
2.05
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RS 100 B Ex AISI316 WOC/GALV

Art. No. EXRSB0100102118

Aperture dimension Ø (mm)
116 - 116
For cable/pipe Ø (mm)
48 - 70
Weight (kg)
2.9
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RS 100 B Ex AISI316/GALV

Art. No. EXRSB1000002118

Aperture dimension Ø (mm)
116 - 116
For cable/pipe Ø (mm)
48 - 70
Weight (kg)
3
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RS 125 B Ex AISI316 WOC/GALV

Art. No. EXRSB0125102118

Aperture dimension Ø (mm)
142 - 142
For cable/pipe Ø (mm)
66 - 98
Weight (kg)
3.6
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RS 125 B Ex AISI316/GALV

Art. No. EXRSB1250002118

Aperture dimension Ø (mm)
125 - 127
For cable/pipe Ø (mm)
66 - 98
Weight (kg)
4.26
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RS 150 B Ex AISI316 WOC/GALV

Art. No. EXRSB0150102118

Aperture dimension Ø (mm)
166 - 166
For cable/pipe Ø (mm)
93 - 119
Weight (kg)
4.47
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RS 25 B Ex AISI316/AISI316

Art. No. EXRSB0250002121

Aperture dimension Ø (mm)
36 - 38
For cable/pipe Ø (mm)
3.6 - 12
Weight (kg)
0.48
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RS 43 B Ex AISI316/AISI316

Art. No. EXRSB0430002121

Aperture dimension Ø (mm)
54 - 56
For cable/pipe Ø (mm)
4 - 23
Weight (kg)
0.9
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RS 50 B Ex AISI316/AISI316

Art. No. EXRSB0500002121

Aperture dimension Ø (mm)
65 - 67
For cable/pipe Ø (mm)
8 - 30
Weight (kg)
1.45
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RS 75 B Ex AISI316/AISI316

Art. No. EXRSB0750002121

Aperture dimension Ø (mm)
91 - 93
For cable/pipe Ø (mm)
24 - 54
Weight (kg)
2.08
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RS 100 B Ex AISI316 WOC/AISI316

Art. No. EXRSB0100102121

Aperture dimension Ø (mm)
116 - 118
For cable/pipe Ø (mm)
48 - 70
Weight (kg)
2.7
Quote this article number

RS 100 B Ex AISI316/AISI316

Art. No. EXRSB1000002121

Aperture dimension Ø (mm)
116 - 116
For cable/pipe Ø (mm)
48 - 70
Weight (kg)
3
Quote this article number

RS 125 B Ex AISI316 WOC/AISI316

Art. No. EXRSB0125102121

Aperture dimension Ø (mm)
142 - 144
For cable/pipe Ø (mm)
66 - 98
Weight (kg)
3.6
Quote this article number

RS 125 B Ex AISI316/AISI316

Art. No. 163616

Aperture dimension Ø (mm)
142 - 142
For cable/pipe Ø (mm)
66 - 98
Weight (kg)
3.94
Quote this article number

RS 150 B Ex AISI316 WOC/AISI316

Art. No. EXRSB0150002121

Aperture dimension Ø (mm)
166 - 168
For cable/pipe Ø (mm)
93 - 119
Weight (kg)
4.06
Quote this article number

Reference documents

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

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.

AuthorityRatingDivision / structureCablePipeType approvalStatus
BV A class fire Gas tightness (catastrophic) Water tightness (catastrophic) Steel Armored Marine Shielded Unshielded ABS Bundle Copper Copper-Nickel Fiberglass HDPE Other PB PE PE/ALU/PE Plastic PP PVC Steel 12509/E0 No renewal status stated
BV Gas tightness (catastrophic) H class fire Water tightness (catastrophic) Steel Marine — 15027/E0 BV No renewal status stated
CSA Ex — Armored Other Conduit 2254189 No renewal status stated
SGS Ex — Armored Other Conduit 25-08-162752/E25-08-169410/NB0002 No renewal status stated
LLC SERTIS-CENTER Ex — Other Conduit CII 23.0812 X No renewal status stated
CSA Ex — Armored Other Conduit CSAE 23UKEX1066X No renewal status stated
Roxtec International AB Ex — — — DoC RM and HD Ex No renewal status stated
Nemko Ex — Other — IECEx NEM 120014X No renewal status stated
LR A class fire Gas tightness (catastrophic) Water tightness (catastrophic) Aluminium Steel Marine Bundle Copper Copper-Nickel Fiberglass Steel LR21217042SF-04 Source states: under renewal
NCC Ex — Other Conduit NCC 11.0174 X No renewal status stated
Nemko Ex — — — Nemko 12ATEX1278X No renewal status stated
RISE Ex — — — RISE25ATEX0001 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:

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