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,北京式焊接截止閥

產(chǎn)品特點(diǎn)

1、結(jié)構(gòu)簡單，制造和維修比較方便
2、工作行程小，啟閉時間短
3、密封性好，密封面間磨擦力小，壽命較長執(zhí)行標(biāo)準(zhǔn)

設(shè)計(jì)規(guī)范：GB/T 12235
結(jié)構(gòu)長度：GB/T 12221
法蘭連接：JB/T 79
試驗(yàn)與檢驗(yàn)：JB/T 9002
產(chǎn)品標(biāo)識：GB/T 12220
供貨規(guī)范：JB/T 7928