J61H-160P J61H-320P J63H-160P J63H-320P焊接针型阀 ¥45.00 J61Y-160P J63Y-160P J61Y-320P J63Y-320P对焊式针型阀 ¥45.00 J61Y-160V J61Y-P54 170V J61Y-320V 铬钼钒钢对焊式针型阀门 ¥58.00 J61H-160C J61H-320C J63H-160C J63H-320C碳钢对焊式针型阀门 ¥30.00 J63Y-160C J63Y-160C J63Y-320C J63Y-320C碳钢焊接式针型阀 ¥35.00 304SS不锈钢卡套式直通直角弯通三通终端中间接头 ¥5.80