hydrostatic testing guide

How to Read Hydro Test Date Markings

 I3

6            14

07

                 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.