沟槽止回阀
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5款Y系列锻钢止回阀800Lb.PN14模型 -
7款1500Lb.PN25-Y系列锻钢止回阀模型 -
升降式止回阀设计cad图纸+说明书+工艺卡 -
旋启式止回阀美标型6H44Y-600LbEXB图纸 -
旋启式止回阀美标型6H41H-600LbEXB图纸 -
20CQH664H-150LB抽气止回阀CAD图纸 -
立式止回阀H82Y-350_DN100CAD图纸 -
立式止回阀H62Y-350_DN200CAD图纸 -
立式止回阀H62Y-350_DN100CAD图纸 -
立式止回阀H62Y-350_DN80CAD图纸 -
立式止回阀H62Y-350_DN65CAD图纸 -
立式止回阀H62Y-350_DN50CAD图纸 -
450HH44X-10C型微阻缓闭止回阀 -
500H44W16旋启式止回阀(套图） -
立式止回阀H82Y-350_DN80CAD图纸 -
立式止回阀H62Y-350_DN40CAD图纸 -
旋启式止回阀国标型H44Y-2150CAD图纸 -
锻钢止回阀总装配图H41H-40 DN20 -
Swing_Check_Valve旋启式止回阀CAD图纸 -
5款H44H-40法兰连接旋启式止回阀
