Hydrostatic Testing Guide
How to Read Hydro Test Date Markings
|
I3 6 14 70 |
6 = Month 14 = Year “I307” = Requalification ID |
How to Read Manufacture Date Markings
|
8 X 12 |
8 = Month X = Mfg. Symbol or “-” 12 = Year |
How to Read DOT Cylinder Specifications
DOT XXX
Specification or Special Permit Number
1850
Service Pressure
Hydrostatic Testing Intervals for Aviation Cylinders – Oxygen & Pneumatic
| DOT Spec | Test interval | life limit |
|---|---|---|
| DOT-3AA | 5 Years | N/A |
| DOT-3AL | 5 Years | N/A |
| DOT-3HT | 3 Years | 24 Years |
| DOT-SP 8162* | 5 Years | 15 Years |
| DOT-SP 10915* | 5 Years | 15 Years |
| DOT-SP 10945* | 5 Years | 15 Years |
| DOT-SP 11194* | 5 Years | 15 Years |
Hydrostatic Testing Intervals for Aviation Fire Bottles
| DOT Spec | Test interval | life limit |
|---|---|---|
| DOT-4D | 5 Years | N/A |
| DOT-4DA | 5 Years | N/A |
| DOT-4DS | 5 Years | N/A |
| DOT-SP 6071* | 5 Years | N/A |
| DOT-SP 7945* | 5 Years | N/A |
| DOT-SP 8495* | 5 Years | N/A |
| DOT-SP 10440* | 5 Years | N/A |
*DOT-E changed to DOT-SP after December 2005
Aircraft Cylinder & Regulator Assemblies Require More Than Just a Hydro Test
CGS can recertify, overhaul, or repair almost all fire, oxygen, and pneumatic assemblies.
Ground Support Equipment Should Be Inspected For Damage Regularly
CGS offers fill lines, regulators, fittings, and booster pumps. Popular types are in stock & custom orders available.