2 、 DS/Z 型系列采用双闸板双向弹性密封、启闭灵活、迅速、密封可靠。
3 、产品结构简单、紧凑合理、检修方便，使用寿命长
4 、在管路上坐启闭装置用，必须处于全开或半开状态，不得用于调节流量。
5 、阀门连接形式分法兰、焊接两种，驱动方式为手动、电动两种。
6 、 DS 系列水封阀门适用于公称压力 ?10.0MPa ，工作温度 ? 425℃ ，工作介质为水、蒸汽、 油田和非腐蚀性气体的管路上作启闭装置用，尤其适用于火电厂汽机真空冷凝系统。
| 公称 压力 (Mpa) | 试验压力(Mpa) | 适用介质 | 适用温度℃ | ||
| 壳体 | 密封 (液体) | 低压密封(气) | |||
| 1.6 | 2.4 | 1.76 | 0.6 | 水、蒸汽、油品 | ≤425 |
| 2.5 | 3.75 | 2.75 | |||
| 4.0 | 6.00 | 4.4 | |||
| 6.4 | 9.60 | 7.04 | |||
Z41H-10C DN32 Z41H-10C DN40 Z41H-10C DN50 Z41H-10C DN65
Z41H-10C DN80 Z41H-10C DN100 Z41H-10C DN125 Z41H-10C DN150
Z41H-10C DN200 Z41H-10C DN250 Z41H-10C DN300 Z41H-10C DN350
Z41H-10C DN400 Z41H-10C DN450 Z41H-10C DN500 Z41H-10C DN600
Z41H-10C DN700 Z41H-10C DN800 Z41H-10C DN900 Z41H-10C DN1000
Z41H-16C DN32 Z41H-16C DN40 Z41H-16C DN50 Z41H-16C DN65
Z41H-16C DN80 Z41H-16C DN100 Z41H-16C DN125 Z41H-16C DN150
Z41H-16C DN200 Z41H-16C DN250 Z41H-16C DN300 Z41H-16C DN350
Z41H-16C DN400 Z41H-16C DN450 Z41H-16C DN500 Z41H-16C DN600
Z41H-16C DN700 Z41H-16C DN800 Z41H-16C DN900 Z941H
Z41H-25C DN32 Z41H-25C DN40 Z41H-25C DN50 Z41H-25C DN65
Z41H-25C DN80 Z941H-25C DN100 Z41H-25C DN125 Z41H-25C DN150
Z41H-25C DN200 Z41H-25C DN250 Z41H-25C DN300 Z41H-25C DN350
Z41H-25C DN400 Z41H-25C DN450 Z41H-25C DN500 Z41H-25C DN600
Z41H-25C DN700 Z41H-25C DN800 Z41H-25C DN900 Z41H-25C DN1000
Z41H-40C DN32 Z41H-40C DN40 Z41H-40C DN50 Z41H-40C DN65
Z41H-40C DN80 Z41H-40C DN100 Z41H-40C DN125 Z41H-40C DN150
Z41H-40C DN200 Z41H-40C DN250 Z41H-40C DN300 Z41H-40C DN350
Z41H-40C DN400 Z41H-40C DN450 Z41H-40C DN500 Z41H-40C DN600
Z41H-40C DN700 Z41H-40C DN800 Z41H-40C DN900 Z41H-40C DN1000
Z41H-64C DN32 Z41H-64C DN40 Z41H-64C DN50 Z41H-64C DN65
Z41H-64C DN80 Z41H-64C DN100 Z941H-64C DN125 Z41H-64C DN150
Z41H-64C DN200 Z41H-64C DN250/ Z41H-64C DN300 Z41H-64C DN350
Z41H-64C DN400 Z41H-64C DN450 Z41H-64C DN500 Z41H-64C DN600
Z41H-64C DN700 Z41H-64C DN800 Z41H-64C DN900 Z41H-64C DN1000
Z41H-100C DN32 Z41H-100C DN40 Z41H-100C DN50 Z41H-100C DN65
Z41H-100C DN80 Z41H-100C DN100 Z41H-100C DN125 Z41H-100C DN150
Z41H-100C DN200 Z41H-100C DN250 Z41H-100C DN300 Z41H-100C DN350
Z41H-100C DN400 Z41H-100C DN450 Z941H-100C DN500 Z41H-100C DN600
Z41H-100C DN700 Z41H-100C DN800 Z41H-100C DN900 Z41H-100C DN100