液化气升降式止回阀介绍H41N-25/H41N-40液化气升降式止回阀特点：升降式止回阀利用流体压差和自身重力实现升降，适用燃气管道控制接通和裁断管路介质的启闭装置，阻止介质逆流。主要零件材料：阀体、阀盖阀瓣阀杆密封面碳钢不锈钢铬不锈钢不锈钢与尼龙H41N-25/40止回阀通径(DN):25∽200（mm）压力（PN）：2.5,4.0MPa主要外型尺寸和连接尺寸：PNDNLHDD1D2bfZ-φd2.5MPa4.0MPa2516011511585651624-1432190120135100781834-1840200140145110851834-18502301501601251002034-18803101751951601352238-181003502002301901602438-231504802653002502183038-2520060030036031027834412-25本公司还供应:CQA-25P车用紧急切断阀CQA-25槽车球阀H41N-25液化气止回阀J41N-25C液化气截止阀Q41F-25C液化气球阀QDQ421F-25气动紧急切断阀QDY421F-25液动切断阀SB-02手摇油泵快速接头)