J61Y-1.6-DN10,J61Y-1.6-DN15,J61Y-1.6-DN20,J61Y-1.6-DN25,J61Y-1.6-DN32,J61Y-1.6-DN40,J61Y-1.6-DN50,J61Y-2.5-DN10,J61Y-2.5-DN15,J61Y-2.5-DN20,J61Y-2.5-DN25,J61Y-2.5-DN32,J61Y-2.5-DN40,J61Y-2.5-DN50,

J61Y-4.0-DN10,J61Y-4.0-DN15,J61Y-4.0-DN20,J61Y-4.0-DN25,J61Y-4.0-DN32,J61Y-4.0-DN40,J61Y-4.0-DN50,J61Y-6.4-DN10,J61Y-6.4-DN15,

J61Y-6.4-DN20,J61Y-6.4-DN25,J61Y-6.4-DN32,J61Y-6.4-DN40,J61Y-6.4-DN50,J61Y-10.0-DN10,J61Y-10.0-DN15,J61Y-10.0-DN20,J61Y-10.0-DN25,

J61Y-10.0-DN32,J61Y-10.0-DN40,J61Y-10.0-DN50,J61Y-16.0-DN10,J61Y-16.0-DN15,J61Y-16.0-DN20,J61Y-16.0-DN25,J61Y-16.0-DN32,J61Y-16.0-DN40,J61Y-16.0-DN50,北京式焊接截止阀

产品特点

1、结构简单，制造和维修比较方便
2、工作行程小，启闭时间短
3、密封性好，密封面间磨擦力小，寿命较长执行标准

设计规范：GB/T 12235
结构长度：GB/T 12221
法兰连接：JB/T 79
试验与检验：JB/T 9002
产品标识：GB/T 12220
供货规范：JB/T 7928