ICS23-100.30.120JB中华人民共和国机械行业标准JB/T10373-2002液压电液动换向阀和液动换向阀Hydraulicfluidpower-Solenoidactuatedpilotoperateddirectionalcontrolvalveandhydraulicpilotoperateddirectionalcontrolvalve2002-12-27发布2003-04-01实施中华人民共和国国家经济贸易委员会发布www.bzfxw.comJB/P10373-2002目次前言..⋯‘.卜...-.....⋯⋯_⋯‘..⋯,⋯⋯,..二价一‘.‘卜⋯,一1范围二,,..⋯价..,,,价一.一一一..一一.一~2规范性引用文件............⋯⋯,二,.价,...一‘..⋯⋯,二‘⋯⋯3术语和定义.一‘.,..⋯‘.二卜..⋯⋯,二价,.⋯⋯卜...⋯⋯,..⋯‘.‘.4量、符号和单位...⋯_二,....⋯⋯价二价.一一...一..一一.5标记和基本参数...,.‘...-............一,⋯,,,-....⋯‘.....-.⋯⋯5.1标记.,-..⋯‘.....-......二,..⋯卜‘..⋯卜“.................⋯⋯52基本参数.-........⋯⋯,...........⋯⋯,二‘...⋯⋯6技术要求..........-.......⋯⋯卜.....-一卜⋯‘二,.-⋯‘,⋯6.1一般要求⋯‘--一‘一,一‘-.‘...⋯⋯‘二_.~6.2性能要求.....-....⋯,...⋯⋯价.⋯‘.⋯‘,,..⋯⋯6.3装配要求.........⋯‘.......⋯⋯价⋯⋯,,.一‘..⋯,..一⋯6.4外观要求,..一,.一,.,,,..............-..-............⋯⋯,.7性能试验方法.........一‘.....⋯⋯价⋯⋯,⋯⋯‘.⋯⋯,.一7.1试验装置.‘.‘..,.......一‘⋯,⋯⋯,,.......⋯⋯‘.一卜.7.2试验条件..⋯......,...⋯,........⋯⋯,.⋯,.-⋯⋯_.7.3试验项目和试验方法.‘.....⋯‘....................-..-⋯,一_..二8装配和外观的检验,‘.‘t.,.,..⋯,二‘.⋯⋯..9检验规则........⋯⋯t.........................-.一,⋯⋯_.二9.1检验分类.....⋯⋯‘..-....,..........................二卜,....⋯⋯92抽样...⋯⋯,..-.....⋯,.⋯⋯价.,.......⋯⋯,,一‘..⋯,..⋯⋯93判定规则.................一,...一,-一_..............-.....⋯10标志、包装、运输和贮存二‘⋯⋯_..卜,...............⋯“二,,...⋯⋯,.附录A(规范性附录)试验回路和特性曲线.,........⋯⋯,...⋯⋯,.A.1试验回路.⋯,..⋯‘...-.-..............⋯⋯,......⋯⋯,.-.⋯‘.⋯A.2特性曲线._,二,⋯‘,⋯‘二,.、,价‘二t.图A.1试验回路原理图⋯,....二‘............一_......-..⋯,......-....⋯图A.2流量一压力损失曲线,...