WJ41H-150Lb-DN1/2,WJ41H-150Lb-DN3/4,WJ41H-150Lb-DN1,WJ41H-150Lb-DN1 1/2,美标波纹管截止阀|产品总汇|无锡市昌林自动化科技有限公司手机版

WJ41H-150Lb-DN1/2,WJ41H-150Lb-DN3/4,WJ41H-150Lb-DN1,WJ41H-150Lb-DN1 1/2,美标波纹管截止阀
双头螺栓bolt
ASTMA193 B7、A193-B8、A193-B8M

15
垫片gasket
柔性石墨+不锈钢
flexible graphite+stainless steel、PTFE

16
阀杆stem
2Cr13、F304、F316