Oval Duct

Designed for roof cavities with limited space, Spiroduct’s high strength oval duct tubing not only provides comparable rates of airflow, but can also be used as an architectural feature.

When space is at a premium, Oval Duct from Spiroduct Australia is the preferred choice for HVAC installations.

Used in multi-story buildings, flat roofed buildings, car parks and many other applications, all our Oval Duct is manufactured using only Spiro® machinery and techniques.

All Spiroduct Australia duct is made using Australian made steel.

Spiroduct Australia Oval Duct is available in the following sizes (in millimetres) in any length up to 3 metres:

Spiroduct Australia Oval Duct Catalogue

Nominal Size (all in mm)		Source Tube	Round Duct
Height x	Width	Diameter	Equivalent
200 x	535	406	337
200 x	610	457	363
200 x	685	508	383
200 x	760	559	403
200 x	840	610	421
200 x	925	660	439
200 x	1000	711	454
200 x	1170	813	485
200 x	1320	914	513

250 x	585	457	398
250 x	660	508	426
250 x	735	559	449
250 x	810	610	469
250 x	890	660	492
250 x	965	711	510
250 x	1145	813	546
250 x	1295	914	579
250 x	1450	1016	607
250 x	1610	1118	635

300 x	635	508	457
300 x	710	559	485
300 x	790	610	510
300 x	865	660	533
300 x	940	711	556
300 x	1100	813	596
300 x	1270	914	637
300 x	1420	1016	668
300 x	1580	1118	698
300 x	1750	1219	728
350 x	685	559	513
350 x	760	610	541
350 x	840	660	568
350 x	915	711	594
350 x	1070	813	640
350 x	1245	914	683
350 x	1400	1016	721
350 x	1550	1118	746
350 x	1700	1219	790

400 x	645	559	533
400 x	740	610	566
400 x	815	660	597
400 x	890	711	627
400 x	1040	813	680
400 x	1200	914	726
400 x	1370	1016	769
400 x	1525	1118	807
400 x	1680	1219	845

450 x	700	610	586
450 x	790	660	622
450 x	865	711	652
450 x	1015	813	711
450 x	1175	914	764
450 x	1345	1016	813
450 x	1500	1118	853
450 x	1650	1219	896

Oval Duct

Spiroduct Australia Oval Duct Catalogue

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