■8．ZCA真空电磁阀前后管道上需装压力表，以便观察。ZCA型真空电磁阀主要技术参数和性能指标: 
                                                        工作介质空气等非腐蚀性气体
ZCA型真空电磁阀介质温度℃≤60 
                                                     工作压力 MPa1.0 
                                                     工作压差 MPa-0.1~0 
                                                     电源电压AC220V其余规格可作特殊订货