一、性能参数:型号公称压力PN(MPa)试验压力PN(MPa)工作温度（℃）适用介质壳体密封H77XH77HH77YH77W1.01.51.1软密封：＜80硬密封：＜450水、气体、油品、硝酸等1.62.41.762.53.752.754.06.04.46.49.67.0二、主要零部件材料:零件名称材料H77X-10C、2516、40H77H-16C、4025、64H77Y-25I64I40IH77W-16C、2525C、40H77W-10P、25P16P、40P阀体、蝶板铸钢WCB铬钼钢铸钢WCB1Cr18Ni9Ti阀杆2Cr131Cr18Ni9Ti2Cr13阀体密封圈-堆焊合金焊堆焊硬质合金焊--助关弹簧1Cr18Ni9Ti耐热合金1Cr18Ni9Ti公称通径DN(mm)LD2D3公称通径DN(mm)LD2D3H77XH77HH77YH77WH77XH77HH77YH77W50431004346400140485376390806413571804501525454274271006415591.594500152608479490125701851151186001787185795881507621014114570022980067568620089265191200800241905774784关于我们|企业简介|***机构|企业文化|荣誉客户|企业荣誉地址：上海市场中路3360号邮编：200436版权所有：中石化阀门沪ICP备05028075号电话：+862151619966传真：+862166516663E-mail：zsh@)