插装阀是70年代发展起来的一种新型液压控制阀。由于它具有易集成、易于电液一体化、工作可靠、寿命长、通油能力大、压力损失小、抗污染能力强、制造成本低等许多独特的优点,所以广泛地应用在冶金机械、锻压机械、铸造机械、塑料机械等各个领域。进入90年代以来,越来越多的滑阀液压系统被插装阀系统所取代。据美国Vickers公司介绍,他们生产的插装阀系统约占全部液压 Cartridge valve is developed in the 70’s a new type of hydraulic control valve. Because of its easy integration, easy electro-hydraulic integration, reliable work, long life, oil capacity, pressure loss, anti-pollution ability, low manufacturing costs and many other unique advantages, it is widely used in metallurgical machinery, forging Machinery, casting machinery, plastic machinery and other fields. Since the 1990s, more and more spool valve hydraulic systems have been replaced by cartridge valve systems. According to the United States Vickers company, they produce plug-in valve system accounts for about all the hydraulic