ANSI/ASTM A750-1996 禁闭区钢制通风格栅规范

标准号：ANSI/ASTM A750-1996
中文标准名称：禁闭区钢制通风格栅规范
英文标准名称：Specification for Steel Air Ventilating Grille Units for Detention Areas
标准类型：Q73
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Q73
国际标准分类号：91.190
适用范围： This specification applies to air ventilating grille units for detention areas, assembled in part from materials conforming to Specifications A627, A628, and A629.The assemblies described herein are intended to provide two types of security, designated Type A and Type B.Type A -A ventilation unit, utilizing homogeneous TR steel bars for the principal security component. Type B -A ventilation unit utilizing perforated tool-resisting steel plate for the principal security component.It is presumed that equipment manufacturers will fabricate and assemble the materials so as not to impair the performance characteristics specified in the applicable material specifications.The descriptions herein of certain assemblies are not intended to infer that other assemblies cannot be used to obtain similar results.