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挖掘机液压系统中的螺纹插装电磁换向阀(以下简称电磁阀),通常用于控制先导油路通断及行走回路高、低速切换。由于挖掘机作业环境不同,对电磁阀的抗气温变化性、抗腐蚀性、抗振动性和抗电压波动性等要求各不相同。本文对螺纹插装电磁换向阀结构与选型影响因素分述如下。
Excavator hydraulic system in the threaded solenoid valve solenoid valve (hereinafter referred to as the solenoid valve), usually used to control the pilot oil on-off and walking circuit high and low speed switching. Due to different excavator operating environment, the electromagnetic valve resistance to temperature variability, corrosion resistance, anti-vibration and anti-voltage fluctuations and other requirements vary. This article on the threaded cartridge solenoid valve structure and type selection factors are described below.