| 120 | K7766 | BRITISH STANDARDS INSTITUTION |
| 6918 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BO3229 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| BS1806 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS1806-120 | K7766 | BRITISH STANDARDS INSTITUTION |
| BSM48-120 | K7766 | BRITISH STANDARDS INSTITUTION |
| NC38455/19 | K0207 | HALE HAMILTON (VALVES) LIMITED |
| DEFSTAN02-337-120-MN80 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| NES 337 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-120-MN80 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES 337-1984 | K2516 | MINISTRY OF DEFENCE NAVY SHIPS SUPPORT AGENCY |
| NES337-120-MN80-(N83B) | L6427 | MOBILE VALVE REPAIRS |
| NC38455/19 | L6427 | MOBILE VALVE REPAIRS |
| NES337-120-MN80-(N83B) | U6183 | PRECISION POLYMER ENGINEERING LIMITE |
| SA.618.MK.1 | K0207 | HALE HAMILTON (VALVES) LIMITED |