波紋管截止閥 (ARI、斯派莎克SPIRAXSARCO) ,J941電動截止閥,液壓截止閥,高溫截止閥,高壓截止閥,高溫高壓截止閥,耐高壓截止閥,耐高溫截止閥,耐酸截止閥,耐酸堿截止閥,中壓截止閥,高壓電動截止閥,日標截止閥,美標截止閥,日標不銹鋼截止閥,美標不銹鋼截止閥,黃銅截止閥,鑄鐵截止閥,J41碳鋼截止閥,鑄鋼截止閥,鍛鋼截止閥,不銹鋼截止閥,鉻鉬鋼截止閥, ,J41不銹鋼絲口截止閥,J41法蘭截止閥,氧氣截止閥JY41W,真空截止閥NKJ41H,API磅級截止閥,高壓對焊截止閥,傘齒輪截止閥,氨用截止閥J41B,角式截止閥J42,Y型截止閥,J45-J65Y,保溫高壓截止閥,保溫高溫截止閥,保溫截止閥BJ41H,襯氟塑料截止閥,美標波紋管截止閥,液化氣截止閥J41N,天然氣截止閥J41N,低溫截止閥,防盜截止閥,撞擊式大公稱通經(jīng)截止閥等。公稱壓力:PN16-40,溫度:-40-600℃,公稱通經(jīng):DN15-DN570,連接方式:法蘭,螺紋,焊接,材質: