18
Vessels must be constructed and subjected to production checks in accordance with Parts 2, 3 or 4 of Schedule 2.
The Simple Pressure Vessels (Safety) Regulations 2016 PART 3 — Manufacturing processes
Preparation of the component parts
19
Preparation of the component parts (for example forming and chamfering) must not give rise to surface defects or cracks or changes in the mechanical characteristics likely to be detrimental to the safety of the vessels.
Welds on pressurised parts
20
The characteristics of welds and adjacent zones must be similar to those of the welded materials and must be free of any surface or internal defects detrimental to the safety of the vessels.
21
(1) Welds must be performed by qualified welders or operators possessing the appropriate level of competence, in accordance with approved welding processes. (2) In sub-paragraph (1)— (a) “ qualified ” means qualified by means of tests carried out by an approved body; and (b) “ approved ” means approved by an approved body.
22
The manufacturer must also, during manufacture, ensure consistent weld quality by conducting appropriate tests using adequate procedures. These tests must be the subject of a report.
Putting into service of the vessels
23
Vessels must be accompanied by the instructions and safety information.
Back to The Simple Pressure Vessels (Safety) Regulations 2016 — full text
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