All E-series cylinders will have an operating pressure of 3442 psi (230 bar). The cylinders will have 3/4-14 NPSM. The cylinders specification will be PST 's exclusive exemption, E-9791 and all E-Series will be hot dip galvanized. All cylinders are oxygen cleaned according to CGA G-4.1 from the factory.
How does the new E8-Series compare to the LP series?
The 3AA specification, which is a 50+ year old specification, will be replaced
with the E-9791 specification. The length, and diameter will remain the same.
The tare weight will be reduced by two pounds and the buoyancy will move closer
to neutral but will remain negative when empty for even better buoyancy
characteristics. The LP-95 will be replaced by the E8-119. The LP-104 will be
replaced by the E8-130. Plus ratings are no longer needed.
| Spec. DOT | Service Pressure | Diameter (in.) | Length (in.) | Weight (lbs) | Buoyancy (lbs) | Neck Thread | Air Capacity (cubic feet) | ||||
| Part # | Empty | Full | @ 2640 psi | @3000 psi | @3442 psi | ||||||
| E7-80 | E-9791 | 3442 psi | 7.3 | 19.75 | 26.0 | -1.5 | -7.5 | 3/4-14 | 64cf | 72cf | 80cf |
| E7-100 | E-9791 | 3442 psi | 7.3 | 24.00 | 32.0 | -1.3 | -8.8 | 3/4-14 | 80cf | 90cf | 100cf |
| E7-120 | E-9791 | 3442 psi | 7.3 | 28.00 | 36.6 | -1.3 | -10.3 | 3/4-14 | 96cf | 107cf | 120cf |
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