At Lawton Tubes, we provide a wide range of 28mm copper pipes today.
Working Pressures / Mechanical Properties of our 28mm Copper Pipes
Dimensions and Tolerances (includes chrome plated and PVC covered)
| O.D. (mm) | Wall (mm) | Temper | Max Working Pressure bar up | Thickness Tolerance | Diameter Tolerance Mean | Diameter Tolerance Including Ovality |
| 28 | 0.9 (TX) | Half Hard | 40 | ±10% | ± 0.05mm | ±0.10mm |
| 28 | 1.2 (TY) | Half Hard | 55 | ±15% | ± 0.05mm | ±0.10mm |
Table X 28mm Copper Pipe capacity
| O/D mm | Capacity kg/m |
| 28 | 0.5308 |
Table Y 28mm Copper Pipe capacity
| O/D mm | Capacity kg/m |
| 28 | 0.5050 |
How far apart should the supports for copper pipes and tubes be placed?
The recommended intervals are set out in Table 1. Studying the table will show that fewer supports are required on vertical runs. This is because the vertical tube will not be subjected to possible sagging between supports. Excessive sagging will occur on horizontal runs of pipes made from any material if the supports are too far apart.
| Diameter of Copper Pipe (mm) | Intervals for Vertical Runs (m) | Intervals for Horizontal Runs (m) |
| 28 | 3 | 2.4 |
Frequently Asked Questions
All our copper pipes are manufactured to BS EN1057, ISO 9001, and kitemarked
1,000kgs of copper tube for FOC (approx. £6,000 ex VAT in value)
A large proportion of copper for our products, including our 12mm pipe, is mined in Chile. There are around 30 processing plants and factories around the world with a variety of capabilities; we have two drawing plants based in the UK.
