Most of our vented copper cylinders come as industry standard Part L, suitable for 10m working head, and have to be lagged.
This is our range of grade 3, grade 2 and grade 1 cylinders which can all be shipped without lagging (they can, of course, be lagged). The thickness of copper increases the lower the grade:
Grade 3 test pressure is 1.45 bar and is suitable for 10m working head
Grade 2 test pressure is 2.2 bar and is suitable for 15m working head
Grade 1 test pressure is 3.65 bar and is suitable for 25m working head
Please call us on 0113 871 5 871 or email sales@coppercylinder.co.uk if you don't see the cylinder you're looking for.
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