不锈钢外螺纹截止阀主要零件材料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