33 CFR 154.826 - Vapor compressors and blowers.

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There is 1 rule appearing in the Federal Register for 33 CFR 154. View below or at eCFR (GPOAccess)
§ 154.826 Vapor compressors and blowers.
(a) Each inlet and outlet to a compressor or blower which handles vapor that has not been inerted, enriched, or diluted in accordance with § 154.824 of this subpart must be fitted with:
(1) A detonation arrester;
(2) A flame arrester; or
(3) An explosion suppression system acceptable to the Commandant (CG-522).
(b) If a reciprocating or screw-type compressor handles vapor in the vapor collection system, it must be provided with indicators and audible and visible alarms to warn against the following conditions:
(1) Excessive discharge gas temperature at each compressor chamber or cylinder;
(2) Excessive cooling water temperature;
(3) Excessive vibration;
(4) Low lube oil level;
(5) Low lube oil pressure; and
(6) Excessive shaft bearing temperatures.
(c) If a liquid ring-type compressor handles vapor in the vapor collection system, it must be provided with indicators and audible and visible alarms to warn against the following conditions:
(1) Low level of liquid sealing medium;
(2) Lack of flow of liquid sealing medium;
(3) Excessive temperature of the liquid sealing medium;
(4) Low lube oil level;
(5) Low lube oil pressure, if pressurized lubricating system; and
(6) Excessive shaft bearing temperature.
(d) If a centrifugal compressor, fan, or lobe blower handles vapor in the vapor collection system, construction of the blades and/or housing must meet one of the following:
(1) Blades or housing of nonmetallic construction;
(2) Blades and housing of nonferrous material;
(3) Blades and housing of corrosion resistant steel;
(4) Ferrous blades and housing with one-half inch or more design tip clearance; or
(5) Blades of aluminum or magnesium alloy and a ferrous housing with a nonferrous insert sleeve at the periphery of the impeller.
[CGD 88-102, 55 FR 25429, June 21, 1990, as amended by CGD 96-026, 61 FR 33666, June 28, 1996; USCG-2010-0351, 75 FR 36284, June 25, 2010]

Title 33 published on 2014-07-01

The following are only the Rules published in the Federal Register after the published date of Title 33.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-07-07; vol. 79 # 129 - Monday, July 7, 2014
    1. 79 FR 38422 - Navigation and Navigable Waters; Technical, Organizational, and Conforming Amendments
      GPO FDSys XML | Text
      DEPARTMENT OF HOMELAND SECURITY, Coast Guard
      Final rule.
      This final rule is effective July 7, 2014.
      33 CFR Parts 1, 3, 8, 13, 19, 23, 25, 26, 27, 51, 52, 67, 80, 81, 84, 89, 96, 104, 105, 110, 114, 116, 117, 118, 120, 126, 127, 128, 135, 140, 141, 144, 148, 151, 153, 154, 155, 156, 157, 158, 159, 160, 161, 164, 165, 167, 169, 174, 179, 181, and 183

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United States Code
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Executive Order ... 12777

Title 33 published on 2014-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 33 CFR 154 after this date.

  • 2014-07-07; vol. 79 # 129 - Monday, July 7, 2014
    1. 79 FR 38422 - Navigation and Navigable Waters; Technical, Organizational, and Conforming Amendments
      GPO FDSys XML | Text
      DEPARTMENT OF HOMELAND SECURITY, Coast Guard
      Final rule.
      This final rule is effective July 7, 2014.
      33 CFR Parts 1, 3, 8, 13, 19, 23, 25, 26, 27, 51, 52, 67, 80, 81, 84, 89, 96, 104, 105, 110, 114, 116, 117, 118, 120, 126, 127, 128, 135, 140, 141, 144, 148, 151, 153, 154, 155, 156, 157, 158, 159, 160, 161, 164, 165, 167, 169, 174, 179, 181, and 183