可调式压力表缓冲阀刘国臣压力表是每个液压系统必不可少的，只有它准确指示压力，才能使人们掌握液压系统是否正常工作。液压系统往往都有液压冲击，液压冲击是使压力表损坏的大敌。我厂为哈尔滨铁路科研所生产的火车轴承压装机配套的液压站中，常因为压力冲击使压力表损... Adjustable pressure gauge buffer valve Liu Guochen pressure gauge is essential for each hydraulic system, and only it accurately indicates the pressure in order to enable people to master the hydraulic system is working properly. Hydraulic systems often have hydraulic impact, hydraulic impact is the enemy of the pressure gauge damage. I plant for the Harbin Railway Research Institute of train bearing pressure installed supporting the hydraulic station, often because of the pressure shock to the pressure gauge loss ...