德特森电动法兰球阀Q941F-16-DN50 电动软密封球阀

开关型电动球阀Q941F-16P/Q941F-25P

内螺纹电动球阀Q911F-16R

精小型电动球阀Q941F-25R

薄型电动球阀Q971F-16P

电动硬密封球阀Q941H-16C

电动衬氟球阀Q941F46-16

锻钢电动球阀Q947Y-40P

电动保温球阀BQ941H-16P

对夹式电动球阀Q971F-16P

电动丝扣球阀Q911F-16P

德特森牌电动球阀Q941W-16P

T型电动三通球阀Q945F-16P

不锈钢电动三通球阀Q944F-25P

电动三通球阀Q944F-16C

电动硬密封球阀Q941H-25

不锈钢衬氟球阀Q941F46-16P

电动软密封球阀Q941F-16P

Q941F-16C-DN150

Q941F-16C

QJ941M-16C电动高温球阀

Q911F-64P内螺纹电动球阀