用于装配到圆形管道上。由预制镀锌钢板制成,并配有装有弹簧的铝叶片。可将RSK止回阀安装到管道的任何位置上,可提供的直径有Ø 100, 125, 160, 200, 250,315 , 400 560 630毫米。
Backdraught shutter RSK 100
Backdraught shutter RSK 125
Backdraught shutter RSK 150
Backdraught shutter RSK 160
Backdraught shutter RSK 200
Backdraught shutter RSK 250
Backdraught shutter RSK 315
Backdraught shutter RSK 355
Backdraught shutter RSK 400
Back draught shutter RSK 450
Backdraught shutter RSK 500
Backdraught shutter RSK 560
Backdraught shutter RSK 630