1、螺旋通風管道卷箍式連接各管道兩端冷軋成鼓筋，并使其一端縮成開口.設備時，按氣旋方位將口子插入小口內，在外邊緣用鋼質拖箍將2個管端鼓緊抱在一起，然后將2個管端鼓緊固在耳片上，緊固在固定不動的情況下，用鋼質拖箍將2個管端鼓緊固在耳片上。
1. Spiral ventilation pipes are connected by hoops. Both ends of each pipe are cold rolled into drum bars, and one end is shrunk into an opening When installing the equipment, insert the opening into the small opening according to the cyclone direction, tightly hold the two pipe end drums together with steel drag hoops at the outer edge, and then fasten the two pipe end drums on the ear piece. When they are fixed, fasten the two pipe end drums on the ear piece with steel drag hoops.
2、螺旋通風管道的插接式連接關鍵用在矩形框或環形風管的連接上，先制好連接管再插入兩側的風管，再用自攻螺釘或拉柳釘將與密不可分。
2. The plug-in connection of spiral ventilation duct is mainly used for the connection of rectangular frame or annular air duct. First make the connecting pipe, then insert the air duct on both sides, and then use self tapping screw or pull willow nail to connect it with the air duct.
螺旋通風管道插入式連接插條式連接在矩形框風管的兩側分別插入不同方式的插條，然后壓實。
Spiral ventilation duct plug-in connection plug-in connection plug-in connection inserts in different ways are inserted on both sides of the rectangular frame air duct, and then compacted.
螺旋通風管道塑料軟管式連接塑料軟管式連接關鍵用于螺旋通風管道和部件(如散流器靜壓箱側正壓送風口等)相接設備時，軟臂兩側套在連接管外，然后用特制軟卡將塑料軟管夾緊
Plastic hose connection of spiral ventilation pipe plastic hose connection is the key. When the spiral ventilation pipe and components (such as positive pressure air supply outlet on the side of diffuser static pressure box, etc.) are connected, both sides of the soft arm are sleeved outside the connecting pipe, and then the plastic hose is clamped with a special soft clamp
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