本文件规定了焊接绝热气瓶(以下简称“气瓶”)的符号,规定了气瓶的型号命名方法、基本参数、材料、设计、制造、试验方法、检验规则、型式试验、标志、包装、运输、出厂资料、资料保存等要求。本文件适用于在正常环境温度(-40 ℃~60 ℃)下使用,贮存液氧、液氮、液氩的公称容积范围为10 L~1 000 L,液化天然气的公称容积范围为150 L~1 000 L,设计温度不高于-196 ℃,公称工作压力为0.2 MPa~3.5 MPa,可重复充装的气瓶。对于贮存液态二氧化碳、液态氧化亚氮的气瓶可参照本文件进行制造和检验。注: 本文件凡未注明的压力均指表压。
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This document defines the symbols of welded insulated cylinders (hereinafter referred to as cylinder), and specifies the designation method, general parameters, materials, design, manufacturing, test methods, inspection rule, type test, mark, packing, transportation, information, and data retention.
This document is applicable to refillable cylinders used at normal ambient temperature(-40 ℃-60 ℃),with a nominal volume range of 10 L-1 000 L for storage of liquid oxygen, liquid nitrogen, and liquid argon , and the nominal volume range of 150 L-1 000 L for storage of liquefied natural gas(LNG),the design temperature not higher than -196 ℃, the nominal working pressure of 0.2 MPa-3.5 MPa.
Cylinders storing liquid carbon dioxide and liquid nitrous oxide may be manufactured and inspected with reference to this document.
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