15 Stations Duct Flange Machine Closure Ring Machine Round Air Duct Connection System

Brand Name:Jack-Aiva
Certification:CE SGS
Minimum Order Quantity:Negotiable
Delivery Time:60 working days
Payment Terms:T/T L/C
Product Name:Closure Ring Machine for Round Air Duct Connection System
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Address: No.44 Lidu city garden, Jiangyin City, Jiangsu, China
Supplier`s last login times: within 23 hours
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Closure Ring Machine for Round Air Duct Connection System


Closure Ring Machine for Round Air Duct Connection System

This line is special designed for production the heavy steel closure ring, The Closure ring roll forming, bending and cutting rings can be finished by one line at the same time.

The whole line frame adopts high quality steel profile, and the important machine parts are all purchased from world famous companies to guarantee the good quality and performance. With CNC automatic measurement control and special design, the higher precision perimeter diameter can be obtained by this Circle Machine and Winding Machine, and cutting without profile distortion

The ring profile roll forming line is consist of De-coiler, main roll forming machine, straightening part, bending device, cut-to length part, run-out table, PLC electrical control system and hydraulic station, etc.

Main parameters - Machine for production spiral duct fittings

Line structurePortal-type frame style, A3 steel
Forming Roller Stations:15 Stations
Forming Roller shaft:Φ42mm
Forming rollersCr12Mov, Quenching, hardness HR58-60º,
Forming Speed:6 -7 meters / min
Main motor:5.5kw,
Material of Sheet:Soft Quality (Annealed) Galvanized Sheet
Sheet Thickness:1.8mm-1.5mm (can be designed according to the requirements)
Cutter DeviceHydraulic cutter
Control systemPLC automatic system

Application- HVAC duct fittings for spiral duct

Marine Ventilation: widely used in offshore and ships

land ventilation: Industry and commercial building

Modular ventilation: For exhaust system in different environment

Home Ventilation: Take fresh air to the home living environment

This Closure Ring style flanges are easy to install, and they are airtight without the need for additional sealants. The joint allows perfect alignment, and is attractive when exposed.

There have four components included in this connection system, two flanges with an integral mastic injected into the duct receiving pocket, a neoprene gasket to seal the mating surface of the flanges, and a one bolt closure ring. Installed properly, there is virtually no leakage up to 18″ WG positive pressure, or down to 10″ negative pressure. The following installation for your reference.


With Our manufacturer more than 25 years experience, we have full ability to design and supply different kinds of steel circle rings according to client’s request. Custom steel circle hoop profile of locking ring is welcome!

TAG: Closure Ring Machine for Round Air Duct Connection System, Circle Machine and Winding Machine Series, locking ring machine, clamping ring,


China 15 Stations Duct Flange Machine Closure Ring Machine Round Air Duct Connection System supplier

15 Stations Duct Flange Machine Closure Ring Machine Round Air Duct Connection System

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