Forming Heads

Forming Heads

Original Spiro® forming heads are made out of high quality aluminium and vitally contribute to consistently produce premium ducts.

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Technical Data
Forming Heads
Forming Heads
Forming Heads

DINØ /SMACNA

Inside Diameter (mm)

Outside Diameter(inch)

Diameter 80 / 90 / 100 / 125 / 160 / 180 / 200 3 / 4 / 5 / 6 / 7 / 8
Diameter 224 / 250 / 280 / 300 / 315 / 355 / 400 9 / 10 / 11 / 12 / 14 / 16
Diameter 450 / 500 / 560 / 600 18 / 20 / 22 / 24
Diameter 630 / 710 / 800 26 / 28 / 30 / 32
Diameter 900 / 1000 / 1120 / 1250 34 - 50
Diameter 1400 / 1500 / 1600 56 - 62
Diameter 1800 / 1900 / 2000 70 - 78
Diameter 2100 / 2300 / 2500 82 - 100