| 6070 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| 8027 ITEM 17 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| 8027/17 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BO2014 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BS5106 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS5106-B0596-24 | K7766 | BRITISH STANDARDS INSTITUTION |
| NC37222 ITEM 17 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| NC37222/17 | K0207 | HALE HAMILTON (VALVES) LIMITED |