外螺纹截止阀 J23W-16,J23W-40P,J23W-160,J23W-320P,


铬镍不锈钢
Cr.Ni Stainless steel


聚四氟乙稀、柔性石墨PTEF,Soft graphite




J23W-40、J23W-160


优质碳钢
High grade carbon steel


铬不锈钢
Cr. Stainless steel




外螺纹截止阀主要性能规范Chief property and specifieat

01/26 09:03