弹簧微启式安全阀主要零部件材料:NO零件名称材料1阀体WCB2阀座ZG2Cr133调节圈ZG2Cr134阀瓣2Cr135导向套2Cr136阀盖ZG230-4507弹簧50CrVA8阀杆2Cr139扳手ZG200-40010调整螺杆4511保护罩ZG200-400密封面材料"H"堆焊D507,"Y"堆焊Co基硬质合金弹簧微启式安全阀外形尺寸和连接尺寸:型号公称通径doDKgg1bff1Z-?dDND1K1g2gb1ff1Z1-?d1LL1≈HA47H-16C201510575551624-142010575551624-1410085270252011585651624-142511585651624-14100852703225140100781824-1832140100781824-181151003124032150110851834-1840150110851834-1812011032050401651251002034-18501651251002034-1813512039065501851451202034-18651851451202034-18140弹簧微启式安全阀订货须知:1.产品型号与名称2.公称通径DN3.额定流量系数KV4.公称压力和压差5.阀体和阀内组件材料6.流量特性7.适用温度8.电源电压和控制信号9.是否带附件)