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RONDO sealing collar
Universally applicable and tested to meet the highest requirements
In contrast to many of its competitors, RONDO wall collars have been tested by independent bodies under real-life conditions to meet the highest requirements - recently also for suitability for corrugated pipes. All tests have repeatedly confirmed the safety of our RONDOs.
RONDOs offer reliable sealing of pipework through concrete components against pressurised water and - depending on the design - also against gases such as methane and radon gas, which is sometimes present in the ground. Our wall collars are particularly secure thanks to the supplied tensioning straps which, once tightened, guarantee the permanent sealing of the pipework.
Especially in comparison to wall collars, which can only be pushed on, the universal application possibilities and the superior safety of the RONDOs are evident:
| RONDO vs wall collar without tensioning straps |
RONDO Wall collar
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Wall collar without tensioning straps
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|---|---|---|
| Tested in accordance with the guideline for water-impermeable structures |  |
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| High pressure test up to 100 metres water column | |
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| Simple assembly without lubricant | |
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| Reliable sealing even if the pipe is slightly soiled | |
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| Secure sealing of corrugated pipes up to DN 200 | |
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| Clamping range from DN 10-DN 710 | |
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| RONDO Protect for agricultural buildings and biogas plants with DIBt approval | |
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| Conclusion |
High level of safety and universal use |
Very limited use |
In addition, the RONDO wall collars provide a cost-effective and easy-to-install solution for sealing penetrations. They are available as standard in four versions (Standard, Protect, Base, Ecco) and in all standard nominal pipe and cable sizes.
- Water pressure-tight up to 10 bar
- Radon-tight
- Good resistance
- Water pressure-tight up to 10 bar
- Radon-tight
- Highest resistance
- DIBT approval for JGS systems
- Water pressure-tight up to 7 bar
- Radon-tight
- Good resistance
- Water pressure-tight up to 8 bar
- Good resistance