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CFR › Title 46 › Chapter I › Subchapter F › Part 56 › Subpart 56.50 › Section 56.50-20

46 CFR 56.50-20 - Pressure relief piping.

There is 1 rule appearing in the Federal Register for 46 CFR 56. Select the tab below to view, or View eCFR (GPOAccess)
§ 56.50-20
Pressure relief piping.
(a) General. There must be no intervening stop valves between the vessel or piping system being protected and its protective device or devices, except as specifically provided for in other regulations or as specifically authorized by the Marine Safety Center.
(b) Discharge lines (reproduces 122.6.2(d)). Discharge lines from pressure-relieving safety devices shall be designed to facilitate drainage.
(c) Stop valves. Stop valves between the safety or relief valve and the point of discharge are not permitted, except as specifically provided for in other regulations or as specifically approved by the Marine Safety Center.
(d) Reference. See also § 56.07-10(a) and (b) for specific requirements.
[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGFR 69-127, 35 FR 9979, June 17, 1970; CGD 77-140, 54 FR 40607, Oct. 2, 1989]

Title 46 published on 2012-10-01

The following are only the Rules published in the Federal Register after the published date of Title 46.

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

  • 2013-02-27; vol. 78 # 39 - Wednesday, February 27, 2013
    1. 78 FR 13243 - Updates to Standards Incorporated by Reference; Reapproved ASTM Standards; Technical Amendment
      GPO FDSys XML | Text
      DEPARTMENT OF HOMELAND SECURITY, Coast Guard
      Final rule.
      This rule is effective March 29, 2013. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register on March 29, 2013.
      33 CFR Parts 126, 127, 154, and 155

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code
USC : Title 33 - NAVIGATION AND NAVIGABLE WATERS

§ 1321 - Oil and hazardous substance liability

§ 1509 - Marine environmental protection and navigational safety

USC : Title 43 - PUBLIC LANDS

§ 1333 - Laws and regulations governing lands

Presidential Documents

Executive Order ... 12777

Title 46 published on 2012-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 46 CFR 56 after this date.

  • 2013-02-27; vol. 78 # 39 - Wednesday, February 27, 2013
    1. 78 FR 13243 - Updates to Standards Incorporated by Reference; Reapproved ASTM Standards; Technical Amendment
      GPO FDSys XML | Text
      DEPARTMENT OF HOMELAND SECURITY, Coast Guard
      Final rule.
      This rule is effective March 29, 2013. The incorporation by reference of certain publications listed in the rule is approved by the Director of the Federal Register on March 29, 2013.
      33 CFR Parts 126, 127, 154, and 155