Rectangular Ventilation Duct

Rectangular Ventilation Duct

1. Application
Rectangular Air Duct is widely used in the market. The air duct is mainly used to connect the air circulation between two places and play the role of ventilation.
2. Dimension Table

Length
120	320	800	2000	40000
160	400	100	2500
200	500	1250	3000
250	630	1600	3500

Note: Materials can be galvanized sheet or stainless sheet.

Duct sheet thickness

Length	Rectangular Air Duct		Dust pelletizing system
Length	Medium/low pressure system	High-pressure system	Dust pelletizing system
80-320	0.5	0.75	1.5
320-450	0.6	0.75	1.5
450-630	0.6	0.75	2.0
630-1000	0.75	1.0	2.0
1000-1250	1.0	1.0	2.0
1250-2000	1.0	1.2	DTOS
2000-4000	1.2	DTOS	DTOS

(1). The thickness of the steel plate in the air duct of the smoke exhaust system can be in accordance with the high pressure system.
(2). The thickness of wind pipe steel plate in special dust removal system should meet the design requirements.
(3). The rectangular pipe used for Marine mechanical ventilation can be determined according to the user's requirements.

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