The definition of a low pressure cylinder is, "Those cylinders with a marked service pressure less than 900 psi (6210 kPa)". (CGA C-6)
A typical low pressure cylinder includes:
Low pressure cylinder types:
|43.5#||60#||100#||1/2 Ton||One Ton|
Propane recertification is due 12 years after the original manufacturer date and every 10, 7 or 5 years depending on the type of test preformed. A full hydrostatic test, by use of the direct expansion method, is 10 years. A modified hydrostatic test, by use of the water jacket method, is 7 years, and a visual test is 5 years. Other low pressure cylinders are required to be tested on a periodic basis, typically every 5 years.
The following services are provided for low pressure cylinders: