Re: Over filling tanks


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Posted by Tivey on October 30, 2001 at 14:32:19:

In Reply to: Over filling tanks posted by Captain Tim on October 22, 2001 at 18:11:56:

Captain-

You did the right thing; the service pressure that permanently stamped in the shoulder of the tank is actually, the maximum service allowed. If the tank is a LP series 3AA-2400 psi they normally have a 10% plus fill for maximum service pressure of 2640 psi. PST makes both version LP (2400 psi) & (HP 3500 psi). The HP series is designed under a special exemption permit E-9791. The long and short of it is, the existing DOT-3AA spec will not pass all of the necessary test to be approved by DOT for a higher service pressure, hence the reason of the for our special exemption.

Federal law governs the handling, filling, transporting and retesting of all scuba cylinders under Title 49 of the Code of Federal Regulations.


Pressed Steel Tank Company has been producing quality products since 1902.

TI



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