标准编号：ISO 11117:2019
中文名称：气瓶 瓶帽和护罩 设计、结构和试验
英文名称：Gas cylinders — Valve protection caps and guards — Design, construction and tests
发布日期：2019-11
标准范围
This document specifies the requirements for valve protection caps and valve guards used on cylinders
for liquefied, dissolved or compressed gases.
Valve protection caps and valve guards are some of the options available to protect cylinder valves,
including valves with integral pressure regulators (VIPRs) during transport.
This document is applicable to valve protection caps and valve guards which inherently provide the
primary protection of a cylinder valve. It can also be used to test other equipment (e.g., handling
devices) attached to cylinder packages, even in cases where the cylinder valve is inherently able to
withstand damage without release of the content.
This document excludes protection devices for cylinders with a water capacity of 5 l or less and
cylinders whereby the protection device is fixed by means of lugs welded or brazed to the cylinder, or is
welded or brazed directly to the cylinder. This document does not cover valve protection for breathing
apparatus cylinders.
NOTE Small cylinders (e.g., medical cylinders) are commonly transported in an outer-packaging (e.g., pallet)
to meet transport regulations.
This document does not specify requirements that could be necessary to enable the valve protection
device to be used for lifting the cylinder.
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