欧美a级黄片,中文字幕精品久久久久人妻红杏1,福利久久,亚洲AV无码片一区二区三区_

1、結構緊湊、設計合理、閥門剛性好；　　

2、無安裝方向要求，雙向密封，流阻小，使用壽命長；　　　

3、采用ZB、ZL系列礦用閥門電動裝置，安全可靠；

4、用于有甲烷爆炸性氣體的煤礦井中。

 Z9B41H-10C DN32/Z9B41H-10C DN40/Z9B41H-10C DN50/Z9B41H-10C DN65/Z9B41H-10C DN80/Z9B41H-10C DN100/Z9B41H-10C DN125/Z9B41H-10C DN150/Z9B41H-10C DN200/Z9B41H-10C DN250/Z9B41H-10C DN300/Z9B41H-10C DN350/Z9B41H-10C DN400/Z9B41H-10C DN450/Z9B41H-10C DN500/Z9B41H-10C DN600/Z9B41H-10C DN700/Z9B41H-10C DN800/Z9B41H-10C DN900/Z9B41H-10C DN1000/Z9B41H-16C DN32/Z9B41H-16C DN40/Z9B41H-16C DN50/Z9B41H-16C DN65/Z9B41H-16C DN80/Z9B41H-16C DN100/Z9B41H-16C DN125/Z9B41H-16C DN150/Z9B41H-16C DN200/Z9B41H-16C DN250/Z9B41H-16C DN300/Z9B41H-16C DN350/Z9B41H-16C DN400/Z9B41H-16C DN450/Z9B41H-16C DN500/Z9B41H-16C DN600/Z9B41H-16C DN700/Z9B41H-16C DN800/Z9B41H-16C DN900/Z9B41H-16C DN1000/Z9B41H-25C DN32/Z941H-25C DN40/Z941H-25C DN50/Z941H-25C DN65/Z941H-25C DN80/Z941H-25C DN100/Z941H-25C DN125/Z9B41H-25C DN150/Z9B41H-25C DN200/Z9B41H-25C DN250/Z9B41H-25C DN300/Z9B41H-25C DN350/Z9B41H-25C DN400/Z9B41H-25C DN450/Z9B41H-25C DN500/Z9B41H-25C DN600/Z9B41H-25C DN700/Z9B41H-25C DN800/Z9B41H-25C DN900/Z9B41H-25C DN1000/Z9B41H-40C DN32/Z9B41H-40C DN40/Z9B41H-40C DN50/Z9B41H-40C DN65/Z9B41H-40C DN80/Z9B41H-40C DN100/Z9B41H-40C DN125/Z9B41H-40C DN150/Z9B41H-40C DN200/Z9B41H-40C DN250/Z9B41H-40C DN300/Z9B41H-40C DN350/Z9B41H-40C DN400/Z9B41H-40C DN450/Z9B41H-40C DN500/Z9B41H-40C DN600/Z9B41H-40C DN700/Z9B41H-40C DN800/Z9B41H-40C DN900/Z9B41H-40C DN1000/Z9B41H-64C DN32/Z9B41H-64C DN40/Z9B41H-64C DN50/Z9B41H-64C DN65/Z9B41H-64C DN80/Z9B41H-64C DN100/Z9B41H-64C DN125/Z9B41H-64C DN150/Z9B41H-64C DN200/Z9B41H-64C DN250/Z9B41H-64C DN300/ Z9B41H-64C DN350/Z9B41H-64C DN400/Z9B41H-64C DN450/Z9B41H-64C DN500/Z9B41H-64C DN600/Z9B41H-64C DN700/Z9B41H-64C DN800/Z9B41H-64C DN900/Z9B41H-64C DN1000/Z9B41H-100C DN32/Z9B41H-100C DN40/Z9B41H-100C DN50/Z9B41H-100C DN65/Z9B41H-100C DN80/Z9B41H-100C DN100/Z9B41H-100C DN125/Z9B41H-100C DN150/Z9B41H-100C DN200/Z9B41H-100C DN250/Z9B41H-100C DN300/Z9B41H-100C DN350/Z9B41H-100C DN400/Z9B41H-100C DN450/Z9B41H-100C DN500/Z9B41H-100C DN600/Z9B41H-100C DN700/Z9B41H-100C DN800/Z9B41H-100C DN900/Z9B41H-100C  DN1000

 礦用帶煤安證電動閘閥——上海湖泉電動閥門廠專業(yè)生產(chǎn)