This specification covers ground type hydropneumatic pressure accumulators for use in ground support hydraulic systems at rated pressures ranging up to 5,000 psi including details pertinent to the design, fabrication, and performance of the accumulators.

Classification:

Hydropneumatic accumulators shall be of the following types and classes, as specified:

Type I - With diaphragm or bag-type separators

Type II - With piston-type separators

Class 3000 - Maximum rated pressure

Class 5000 - Maximum rated pressure