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spiral duct ovalizer machine

The GZHCH Ovalizer(Oval Ducter) transforms the round spiral ducts into flat-oval ducts, which gives the duct a better air flow with a modern design than spiral or rectangual duct .

  • Product Description

Advantages of GZHCH Product :

★ Profound experience in HVAC Ducting Machinery (Since 1986).

★ Profound experience in Automatic Spiral Duct Forming (Since 2004).

★ Profound experience in Automatic Duct Production Line (Since 2006).

★ Have the largest inventory for HVAC Duct Making machines in the industry.

★ The real manufacturer with the most complete varieties of HVAC Ducting Machinery in China.


It is used for the oval straight duct and oval elbow production. Combine with the molds unit, The ovalizer machine expands the air ducts into diffenent oval size.  

★ Control is by PLC and HMI system.

★ Equipped with superior hydraulic unit to ensure the required force.

★ With the character of good shape, high efficiency, easy operation.

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★★★Hydraulic Flattening Machine★★★

The supplement for ovalizer duct making. It is used before the working proce dure of round duct turns into oval duct. 

The principle is to press a part of spiral round pipe into oval shape before using the spiral pipe ovalizer.

Spiral Duct Ovalizer Machine On Worksite

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★Data Sheet Of Spiral Duct Ovalizer Machine★

ModelSpiral DiameterTube LengthWeightDimension(mm)
  Tips: For detailed parameters, please   contact our sales representative.

Processing Range

Semicircular mold diameter: φ150/200/250/300/350/400/450/500mm 

Column mold: 100/200/300/400/500mm

(Molds customized available)

★★★GZHCH company can give you both CNC duct production line machine which can manufacture air duct automatically. We will suggest a whole machines series in accordance with different customers needs★★★

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