View all text of Subpart B [§ 64.11 - § 64.55]
§ 64.11 - Design of MPTs.
An MPT must be designed—
(a) In accordance with Section VIII of the ASME BPVC (incorporated by reference; see § 64.2) and this subpart;
(b) With a maximum gross weight of 55,000 pounds;
(c) To hold a liquid cargo that has a vapor pressure of 43 pounds per square inch absolute (psia) or less at a temperature of 122 °F;
(d) With a minimum service temperature of 0 °F or higher;
(e) With a maximum allowable working pressure of not less than 20 pounds per square inch gauge (psig) but not more than 48 psig; and
(f) To withstand dynamic loading conditions applied simultaneously.