不锈钢针型阀主要零件材料Materials for main parts 零件名称Part name 阀杆、阀盖Stem,Bonnet 阀杆、阀瓣Stem,Disc 填料Packing J23W-16P 铬镍不锈钢 Cr.Ni Stainless steel 铬镍不锈钢 Cr.Ni Stainless steel 聚四...
不锈钢针型阀主要零件材料Materials for main parts 零件名称Part name 阀杆、阀盖Stem,Bonnet 阀杆、阀瓣Stem,Disc 填料Packing J23W-16P 铬镍不锈钢 Cr.Ni Stainless steel 铬镍不锈钢 Cr.Ni Stainless steel 聚四...