针型阀J23SA-320P-DN6,J23SA-160P-DN6,
Gasket


手轮Handwheel




J23SA-320


铬镍不锈钢
Cr. Ni Stainless steel


不锈钢
Stainless steel


聚四氟乙稀，柔性石墨
PTFE，Soft graphite


橡胶石棉板 Latex asbestos

01/21 06:22