Standard No.:	JB/T 5922-2005
English Name:	Self-propelled for harvesting machinery—Test method of noise
Chinese Name:	液压二通插装阀 图形符号
Chinese Classification:	J20    Hydraulic and pneumatic device
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	65.060.50 65.060.50    Harvesting equipment 65.060.50
Issued by:	NDRC
Issued on:	2005-9-23
Implemented on:	2006-1-1
Status:	abolished
Abolished on:	2024-07-11
Superseding:	JB/T 5922-1991
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.00
Delivery:	via email in 1~3 business day

本标准规定了自走式收获机械动态环境噪声和驾驶员耳位噪声的测定方法。
本标准适用于以液压油为工作介质的二通插装阀，采用非油介质液压液的二通插装阀可以参考本标准。本标准规定的图形符号主要用于表达和绘制采用二通插装阀控制的液压系统原理图。