The following Specifications are generally used as a Minimum Standard unless otherwise specified by the Client.
| Tube |
|---|
| up to and including 1200mm – BS EN 10217-1:2019 or API 5L Grade B ERW, 700mm and above - Rolled & Submerged Arc Welded from Plate to BS EN10025 minimum Grade S275. |
| Flanges |
|---|
| BS EN 1092-1:2002/BS4504 plus BS10 ASME B16.47 & B16.5 other standard available on request. |
| Welding Fittings |
|---|
| BSEN 10253:2007. |
| Bolts |
|---|
| BS 4190 Gr.4.6 Min or to customer spec (galvanized) |
| Gaskets |
|---|
| BS 2494:1990 (3mm thick EPDM) WRAS approved. |
| Welding |
|---|
| BS 2971 Class II (Up to and inc. 24 bar) ,BS 2633 Class 1 (Above 24 bar) ,other standards available. |