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ABS Inch Class C
Useful Information
The Effast Class C ABS pipes in this section are all British Standard sized. This standard is based on the nominal bore of the pipes across the full range and not the diameter. For clarification, please see the table below. If in doubt, or if you require a specific inside diameter, please ring us to avoid ordering the wrong pipework.
| Manufacturer | Effast |
| Pressure Rating | 9 bar at 20°C |
| Operating Temperature | -40°C to 70°C |
| Standards | BS 5391 |
| Nominal Size (inch) | Average Outside Diameter (mm) | Average Bore Inside Diameter (mm) | Average Wall Thickness (mm) |
| 1 | 33.6 | 29.6 | 2.0 |
| 1 1/4 | 42.3 | 37.3 | 2.5 |
| 1 1/2 | 48.3 | 42.6 | 2.9 |
| 2 | 60.4 | 53.3 | 3.6 |
| 2 1/2 | 75.2 | 68.0 | 3.6 |
| 3 | 88.9 | 78.6 | 5.2 |
| 4 | 114.3 | 101.5 | 6.4 |
| 5 | 140.2 | 126.8 | 6.7 |
| 6 | 168.3 | 148.5 | 9.9 |
| 8 | 219.1 | 193.7 | 12.7 |
IMPORTANT: The technical data given on this website is for preliminary information purposes only and is published without guarantee. All line drawings are for illustrative purposes only and should not be regarded as wholly accurate in every detail. We reserve the right to withdraw or to alter the specification of any product without notice. For more information, please consult our Terms of Business.
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.
