Factory Price Ventilation Air Duct Spiral Pipe Round Spiral Duct for HVAC

• Material: Galvanized Sheet
• Usage: for Air Conditioner
• Application: HVAC
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: SD
• Shape: Round
• Performance: Connection
• Certification: CE
• Function: Ventilation
• Feature: Air Conditioning
• Keyword: Spiral Duct
• Model: SD
• Delivery Time: 30 Days
• Transport Package: Carton
• Specification: 80mm~1500mm
• Trademark: Airandus
• Origin: China
• HS Code: 7326909000
• Production Capacity: 50000/Month

Product Description

Spiral Duct, SD

1. It is formed from a coil of metal into a rigid steel tube with a 4-ply spiral lockseam.
2. It has a smooth interior for low friction loss with the grooved seam entirely on the outside. 

φD mm	T mm	φD mm	T mm	φD mm	T mm	φD mm	T mm
80	0.6	280	0.6	550	0.8	1100	1.0
100	0.6	300	0.6	600	0.8	1200	1.0
125	0.6	315	0.6	630	0.8	1250	1.0
150	0.6	350	0.6	650	0.8	1300	1.0
160	0.6	355	0.6	700	0.8	1350	1.2
180	0.6	400	0.8	800	0.8	1400	1.2
200	0.6	450	0.8	900	1.0	1450	1.2
250	0.6	500	0.8	1000	1.0	1500	1.2