A46F、A46Y不锈钢先导式安全阀

A46F、A46Y不锈钢先导式安全阀是一种新颖结构的安全阀。主要用于石油天然气、化工、电力、冶金和城市燃气等领域，是受压设备、容器或管路上的较佳压保护装置。其主要优点是变弹簧直接作用为导阀间接作用，提高了动作的灵敏度，而且主阀采用套筒活塞式，双重密封阀座结构，动作精度高、重复性好、回座快、不泄漏、能带高背压排放、工作等命长、工作稳定可靠，它还可在线调校，反复启跳排放后，仍然能自动回座，关闭严密，操作维护方便。

主要零部件

NO.零件名称AF46Y/F 材料A46F/Y材料

1阀体WCBWCB

2阀瓣2Cr13/2Cr13+PTFE1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE

3导向套1Cr18Ni9Ti1Cr18Ni9Ti

4弹簧50CrVA50CrVA

5O型圈氟橡胶氟橡胶

6阀盖2525

7导阀部件

外形结构图

主要外形尺寸

型号公称通径doLL1L2HDNDD1D2D6bZ-ødDD1D2D6bZ-ød

A46 F/Y -16251511095150365321158565 164-1414010078 184-18

32201151001503754014010078 184-1815011085 184-18

40251201101603905015011085 184-18165125100 204-18

503213512016041065165125100 204-18185145120 204-18

654016014017543580185145120 204-18200160135 208-18

8050170135175451100200160135 208-18220180155 228-18

10065195175195500125220180155 228-18250210185 248-18

12580210190220526150250210185 228-18285240210 248-23

150100255230265623175285240210 248-23315270240 268-23

200125300260300690250340295265 2612-23405355320 3012-26

A46 F/Y -25251511095150365321158565 164-1414010078 184-18

32201151001503754014010078 184-1815011085 184-18

40251201101603905015011085 184-18165125100 204-18

503213512016041065165125100 204-18185145120 204-18

654016014017543580185145120 228-18200160135 208-18

8050170135175451100200160135 228-18220180155 228-18

10065195175195500125230190160 248-23250210185 228-18

12580210190220526150270220188 288-26285240210 248-23

150100255230265623175300250218 308-26310270240 268-23

200125300260300690250360310278 3412-26405355320 3012-26

A46 F/Y -4025151109515036532115856558164-1414010078 184-18

3220115100150375401401007866184-1815011085 184-18

4025120110160390501501108576184-18165125100 204-18

50321351201604106516512510088204-18185145120 204-18

654016014017543580185145120110228-18200160135 208-18

8050170135175451100200160135121228-18220180155 228-18

10065195175195500125235190160150248-23250210185 228-18

12580210190220526150270220188176288-26285240210 248-23

150100255230265623175300250218204308-26310270240 268-23

2001253002603006902503753202822603812-30405355320 3012-26