止回阀阀芯

400H44H-PN100-0法兰连接止回阀CAD图纸

H43H-35-65止回阀cad加工图纸装配图+零件图

升降式止回阀国标型400H44H64CAD图纸

旋启式止回阀DN80-DH44Y-25P设计CAD图纸

旋启式止回阀美标型2&0422039;H44H-300LbCAD图纸

角式止回阀H63Y-450I_DN50CAD图纸

DN25-DH61Y-25BW低温止回阀设计CAD图纸+检查卡

12H41F46-150Lb美标全衬氟止回阀设计CAD图纸

10H41F46-150Lb美标全衬氟止回阀设计CAD图纸

1.5H41H-150Lb美标全衬氟止回阀设计CAD图纸

止回阀WCB H44H-300LB 12”RF英文图设计CAD图纸

4H44W16旋启式止回阀（装配图及明细表)

低温止回阀DN150-DH61Y-25P设计CAD图纸+加工工艺+检查卡

DN25-DH61Y-25SW低温止回阀设计CAD图纸+检查卡+加工工艺

1.25H41F46-150lb美标全衬氟止回阀设计CAD图纸

低温止回阀DN50-DH61F-25P、DN50-DH61Y-25P设计CAD图纸

止回组件三维模型设计

机械扣止回片组件

叉升机前后交叉止回杆

低温止回阀DN25-DH61Y-25P、DN80-DH61Y-25P、DN150-DH61Y-25P设计CAD图纸