China None Power Stainless Steel Roof Exhaust Fan for Poultry Farm Workshop

ZDWF Non Power Stainless Steel Roof Exhaust Fan
ZDWF non power stainless steel roof exhaust fan, no electricity, no noise, small size, light weight, corrosion resistance, high exhaust efficiency.Easy installation, widely used in commercial buildings and breeding enterprises (more suitable for light steel structure roof) exhaust ventilation.
Installation Order
In order to maximize the efficiency of the exhaust fan, the installation must be located high up on the roof, away from parapets or places where wind may be blocked by nearby tall trees.
Parameter List

No.Exhaust diameter
(mm)
Height
(mm)Fan Blades
(piece)
Blade Area
(/piece)Average wind speed of the vent(m/s)
Volume
(m³/min)
Texture14"360300200.00563.4(three-level)23Stainless steel20"500390250.00833.4(three-level)42Stainless steel27"680640360.01123.4(three-level)65Stainless steel

Other Pictures

Please noteGenerally, the average wind speed is 3.4m/s (third-grade wind), and if the indoor and outdoor temperature difference is 5°C,the installation quantity can be appropriately added.The best use effect is under 6mm building height.
FREQUENTLY ASKED QUESTIONS
Q1:Could you assure your quality?
A1: All our products with CE certificate.,and units will be tested before package and the Qualified rate is up to 99.9%.
Q2:How long is your delivery date?
A2:15 days after receiving the advance payment.(Custom products excluded)
Q3:How long is the warranty?
A3:1 year warranty for free if confirmed by both side damage in the quality reason.
Q4:Are you a manufacture or trade company?
A4:We are a manufacture with more than 35years production experience.
Q5: How can I place an order?
A5: Contact us via Made In China or send us an email.