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. 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.
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.
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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