Anhui Preda Machinery Manufacturing Co.,Ltd.

--- Auto duct line, spiral tubeformer and relavant duct machines.

Super Auto Duct Line 5Auto Duct Line 5 UAuto Duct Line 5Auto Duct Line 4Auto Duct Line 3Auto Duct Line 2Cut to Length LineDuplex Flange FormerTDF Flange FormerTDC flange forming machinePittsburgh lock formerS cleat lock formerSnap lock formerRound duct lock formerLock forming machineDecoilerDuct Beading machineDuct slitter and beaderElectrical ShearerManual FolderPneumatic FolderAir seam lockerPortable seam lockerPower FastenerHydraulic seam lockerHydraulic GuillotinePneumatic Corner MaticsCNC Press BrakeDrive cleat benderSpiral tube former PD1602Spiral Tubeformer Mould Type PD1500Spiral Tubeformer Band TypeOvalizer Oval MachineHydraulic elbow making machineSpiral Duct LineHydraulic gorelockerElectric GorelockerPlasma Cutting MachineElectrical Rolling MachineElectric Rotary GrooverRound duct welderAngle iron Flange LineAngle Iron RollingTiltable Power PressHeavy Rolling MachineSuper Auto Duct Line 5Duct Line U 5Duct Line 5Duct Line 4Duct Line 3Duct Line 2Cut to length LineAutomatic Duct LineDuplex TDF Flange MachineTDF Flange MachineTDC flange forming machineLock FormerDecoilerTDF Folding MachinePneumatic TDF Folding MachineBeading MachineSlitting MachineElectric Shearing MachineLock Seaming MachineElectric Lock SeamerCorner MaticsHydraulic CNC GuillotineHydraulic CNC Press BrakeSquare Duct MachinesMould Spiral TubeformerBand Spiral TubeformerOvalizerSpiral TubeformerHydraulic gorelockerElectric GorelockerElectric Rotary Beading MachinePunching MachinePlate Rolling MachineAngle Iron Rolling MachinePlasma Cutting MachineRound Duct MachinesPittsburgh Seam CloserElbow gorelockerMessage & Free QuoteAbout UsAgents Wanted by PredaPreda Machine FactoryMachine Working VideoShipment VideosCompany NewsIndustrial News
Catalog download
auto duct lines.pdf
Prev 1 Next
square duct making machines.pdf
Prev 1 Next
round duct making machines.pdf
Prev 1 Next
Portable Duct Machines.pdf
Prev 1 Next
Round duct machine

Round duct machine

To make round duct machines, we need not only spiral tuebformer, but also need machines like Gorelocker( or Elbow making machine), Electric Rotary Beading machine, Punching machine, Electric plate rolling machine, Angle iron rolling machine, Plasma cutting machine and etc.


Gorelocker is specially designed for elbow tube forming in both

Elbow Pittsburgh and seaming.

This advanced gorelocker is 100% gear driven without belts at all!

It ensures good quality and much better durability!

Currently this has been the most advanced electric elbow gorelock version

in the world already.

Plasma cutting machinePlasma cutting machine

Plasma cutting machine

Rigid frame built with thick concrete plate steel to ensure

function stability and durability.

High speed cutting with great precision.

Panasonic NC system makes operating easy,effective and precise.

Large variety of cutting material: steel,copper, iron, aluminum,

galvanized sheet…

Wide use for cutting operation on traditional plate shearing,

duct manufacture line…

Rotary beading machineRotary beading machine

Electric Rotary Beading machine

Electric rotary grooving machine---  Capable of 0.5mm-1.8mm      

Three groove shapes capable with three sets of moulds.  

Electric rolling machineElectric rolling machine

Electric plate rolling machine

This bending/rolling machine is designed for bending thin steal plate

with max. thickness of 2mm.

Plate rolling machine is very basic machine for round duct forming!

Angle iron rolling machineAngle iron rolling machine

Angle iron rolling machine

It is specially designed for common flanges which use angle iron material.

Rolling/bending angle iron into round air duct.

The rollers can be changed according different needs. Such as flat iron、pipe、channel iron、rectangular tube,etc.

Preda Machine-The only govenment approved Canton Fair factory in HVAC duct machines field in 2023!
Meet Preda Machine in 135th Canton Fair on April 15th 2024!
leave a message
back to the top