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49 CFR 178.270-8 - Protection of valves and accessories. | Regulus

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49 CFR Part 178

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titleTitle 49 — Transportation subtitleSubtitle B — Other Regulations Relating to Transportation chapterChapter I — Pipeline and Hazardous Materials Safety Administration, Department of Transportation subchapterSubchapter C — Hazardous Materials Regulations partPart 178 subpartSubpart H—Specifications for Portable Tanks

46 sections

Subpart H—Specifications for Portable Tanks24

§ 178.245-1Requirements for design and construction.§ 178.245-2Material.§ 178.245-3Design pressure.§ 178.245-4Tank mountings.§ 178.245-5Protection of valves and accessories.§ 178.245-6Name plate.§ 178.245-7Report.§ 178.270-1Specification requirements for IM 101 and IM 102 steel portable tanks.§ 178.270-2General.§ 178.270-3Materials of construction.§ 178.270-4Structural integrity.§ 178.270-5Minimum thickness of shells and heads.§ 178.270-6Tank supports, frameworks and lifting attachments.§ 178.270-7Joints in tank shells.§ 178.270-8Protection of valves and accessories.§ 178.270-9Inspection openings.§ 178.270-10External design pressure.§ 178.270-11Pressure and vacuum relief devices.§ 178.270-12Valves, nozzles, piping, and gauging devices.§ 178.270-13Testing.§ 178.270-14Marking of tanks.§ 178.271-1General requirements.§ 178.272-1General requirements.§ 178.272-2Minimum thickness of shells and heads.

Subpart K—Specifications for Packagings for Class 7 (Radioactive) Materials39

§ 178.352-1General requirements.§ 178.352-2Rated capacity.§ 178.352-3General construction requirements.§ 178.352-4Welding.§ 178.352-5Closure.§ 178.352-6Markings.§ 178.354-1General requirements.§ 178.354-2Rated capacity.§ 178.354-3General construction requirements.§ 178.354-4Closure.§ 178.354-5Markings.§ 178.356-1General requirements.§ 178.356-2Materials of construction and other requirements.§ 178.356-3Tests.§ 178.356-4Required markings.§ 178.356-5Typical assembly detail.§ 178.358-1General requirements.§ 178.358-2Materials of construction and other requirements.§ 178.358-3Modification of Specification 21PF-1 overpacks.§ 178.358-4Construction of Specification 21PF-1B overpacks.§ 178.358-5Required markings.§ 178.358-6Typical assembly detail.§ 178.360-1General requirements.§ 178.360-2Manufacture.§ 178.360-3Dimensions.§ 178.360-4Closure devices.§ 178.362-1General requirements.§ 178.362-2Materials of construction.§ 178.362-3Closure.§ 178.362-4Tests.§ 178.362-5Painting.§ 178.362-6Marking.§ 178.362-7Typical assembly sketches.§ 178.364-1General requirements.§ 178.364-2Materials of construction and other requirements.§ 178.364-3Closure.§ 178.364-4Tests.§ 178.364-5Required marking.§ 178.364-6Typical assembly detail.

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Subpart H—Specifications for Portable Tanks24

§ 178.245-1Requirements for design and construction.§ 178.245-2Material.§ 178.245-3Design pressure.§ 178.245-4Tank mountings.§ 178.245-5Protection of valves and accessories.§ 178.245-6Name plate.§ 178.245-7Report.§ 178.270-1Specification requirements for IM 101 and IM 102 steel portable tanks.§ 178.270-2General.§ 178.270-3Materials of construction.§ 178.270-4Structural integrity.§ 178.270-5Minimum thickness of shells and heads.§ 178.270-6Tank supports, frameworks and lifting attachments.§ 178.270-7Joints in tank shells.§ 178.270-8Protection of valves and accessories.§ 178.270-9Inspection openings.§ 178.270-10External design pressure.§ 178.270-11Pressure and vacuum relief devices.§ 178.270-12Valves, nozzles, piping, and gauging devices.§ 178.270-13Testing.§ 178.270-14Marking of tanks.§ 178.271-1General requirements.§ 178.272-1General requirements.§ 178.272-2Minimum thickness of shells and heads.

Subpart K—Specifications for Packagings for Class 7 (Radioactive) Materials39

§ 178.352-1General requirements.§ 178.352-2Rated capacity.§ 178.352-3General construction requirements.§ 178.352-4Welding.§ 178.352-5Closure.§ 178.352-6Markings.§ 178.354-1General requirements.§ 178.354-2Rated capacity.§ 178.354-3General construction requirements.§ 178.354-4Closure.§ 178.354-5Markings.§ 178.356-1General requirements.§ 178.356-2Materials of construction and other requirements.§ 178.356-3Tests.§ 178.356-4Required markings.§ 178.356-5Typical assembly detail.§ 178.358-1General requirements.§ 178.358-2Materials of construction and other requirements.§ 178.358-3Modification of Specification 21PF-1 overpacks.§ 178.358-4Construction of Specification 21PF-1B overpacks.§ 178.358-5Required markings.§ 178.358-6Typical assembly detail.§ 178.360-1General requirements.§ 178.360-2Manufacture.§ 178.360-3Dimensions.§ 178.360-4Closure devices.§ 178.362-1General requirements.§ 178.362-2Materials of construction.§ 178.362-3Closure.§ 178.362-4Tests.§ 178.362-5Painting.§ 178.362-6Marking.§ 178.362-7Typical assembly sketches.§ 178.364-1General requirements.§ 178.364-2Materials of construction and other requirements.§ 178.364-3Closure.§ 178.364-4Tests.§ 178.364-5Required marking.§ 178.364-6Typical assembly detail.

Related 0 Definitions History 8 Authority 8

RegulationsTitle 49Subtitle BChapter ISubchapter CPart 178Subpart H—Specifications for Portable Tanks49 CFR 178.270-8

Regulationhistorical

49 CFR 178.270-8

Protection of valves and accessories.

Current as of 2005-10-01 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

2 passages

Each valve, fitting, accessory, safety device, gauging device, and other appurtenance shall be adequately protected against mechanical damage.

[Amdt. 178-65, 46 FR 9896, Jan. 29, 1981]

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Retrieved: Aug 13, 2026
Version: 2005-10-01

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