SAE J1409 Air Brake Valves Test Procedure
时间:2024-04-29 13:07:23 来源: 标准资料网 作者：标准资料网 阅读：9029
Product Code:SAE J1409
Title:Air Brake Valves Test Procedure
Issuing Committee:Truck And Bus Brake Supply And Control Components Committee
Scope:This SAE Recommended Practice establishes uniform test procedures for air brake systems pneumatic valves with respect to:a. Input-Output Characteristicsb. Leakage Measurementc. Low Temperature Evaluationd. Elevated Temperature Evaluatione. Corrosion Resistance Evaluationf. Endurance Testingg. Structural IntegrityThis document establishes uniform accelerated laboratory test procedures for evaluating comparative performance characteristics of pneumatic valves designed to operate in 862 kPa (125 psi) nominal air brake systems. These tests are based upon long standing industry practices.
【英文标准名称】:StandardSpecificationforCopper-TungstenElectricalContactMaterial
【原文标准名称】:铜钨电触点材料标准规范
【标准号】:ASTMB702-1993(2004)
【标准状态】:现行
【国别】:
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:B02.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:金属;材料;电气工程;钨;电触点;铜
【英文主题词】:contacts;powdermetallurgy;copper;copper-tungsten;tungsten;tungsten-copper
【摘要】:1.1Thisspecificationcoverselectricalcontactcomponentsmadefromcoppertungstenbypowdermetallurgicalprocedures.1.2Thisspecificationcoverscompositionswithinthecoppertungstensystemnormallyspecifiedbyusersofcontacts.
【中国标准分类号】:K10;H62
【国际标准分类号】:77_150_30
【页数】:3P.;A4
【正文语种】:
MIL-STD-1358B, MILITARY STANDARD WAVEGUIDES, RECTANGULAR, RIDGE AND CIRCULAR, SELECTION OF. This standard provides standard sizes of rigid rectangular, rigid circular, single-ridge, and double ridge waveguides considered by the Department of Defense as standard for use in military equipment and applications.