DJ41低温截止阀产品详情主要连接尺寸型号温度(℃)-46℃-101℃-196℃规格Size(mm)尺寸(mm)inchDN颈部长度HDJ41H/W/Y-16/25/40/641/2″15901101303/4″201001101401″2510012015011/4″3211013016011/2″401101301602″5011013017021/2″651101301703″801201501904″1001301602005″1251301602006″1501401702208″20014017022010″25015018024012″30015018024014″35016019025016″40016019025018″45016019025020″50017020026024″600170200260)