§ 33.64. Pressurized engine static parts.
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/us/cfr/t14/s§ 33.64·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Strength. The applicant must establish by test, validated analysis, or a combination of both, that all static parts subject to significant gas or liquid pressure loads for a stabilized period of one minute will not:
(1)Exhibit permanent distortion beyond serviceable limits or exhibit leakage that could create a hazardous condition when subjected to the greater of the following pressures:
(i)1.1 times the maximum working pressure;
(ii)1.33 times the normal working pressure; or
(iii)35 kPa (5 p.s.i.) above the normal working pressure.
(2)Exhibit fracture or burst when subjected to the greater of the following pressures:
(i)1.15 times the maximum possible pressure;
(ii)1.5 times the maximum working pressure; or
(iii)35 kPa (5 p.s.i.) above the maximum possible pressure.
(b)Compliance with this section must take into account:
(1)The operating temperature of the part;
(2)Any other significant static loads in addition to pressure loads;
(3)Minimum properties representative of both the material and the processes used in the construction of the part; and
(4)Any adverse geometry conditions allowed by the type design. [Amdt. 33-27; 73 FR 55437, Sept. 25, 2008; Amdt. 33-27, 73 FR 57235, Oct. 2, 2008]
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§ 33.64
Pressurized engine static parts.
Fed. Reg.×1
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