JULI^®Flexible Oval Ventilation Duct

owing to excellent assistance, a variety of high quality products and solutions, aggressive costs and efficient delivery, we take pleasure in an excellent popularity amongst our customers. We are an energetic business with wide market for High Quality for China Ceiling-Mounted Fan / Axial / Fume Exhaust / Ventilation, We believe we’ll become a leader in building and producing top quality merchandise in the two Chinese and international markets. We hope to cooperate with much more close friends for mutual gains.
owing to excellent assistance, a variety of high quality products and solutions, aggressive costs and efficient delivery, we take pleasure in an excellent popularity amongst our customers. We are an energetic business with wide market for Ceiling-Mounted Fan, China Jet Fan, During in 11 years, We have participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that “customer first” and committed to helping customers expand their business, so that they become the Big Boss !

Product Informations

JULI^® oval ventilation duct is made of PVC flexible fabric with polyester fiber as the base fabric and is coated with a PVC membrane on both sides. Polyester fiber can be chosen for different user requirements and environments. The PVC membrane is fire resistant with DIN4102 B1, NFPA701, EN13501, DIN75200, and antistatic properties; all are accompanied by an SGS test result.

JULI^® oval ventilation duct is made with two suspension fins outside. The angle can be customized according to the customer’s requirement. There are also two suspension fins connected with carabiner hooks and steel rope inside the duct to keep the oval shape.

suspension system

Single suspension fin

Double suspension fins

Single suspension patch

Double suspension patches

Coupling system

Zipper Coupling

Velcro Coupling

Eyelet Coupling

End ring Coupling

 Product Parameters

JULI® Oval Ventilation Ducting Technical Specification
Item	Unit
Diameter	mm	450-1650
Section length	m	5, 10, 20, 30, 50, 100, 200, 300
Color	-	Yellow, Orange, Black
Suspension	-	Double susopenison fins/patches
Sealing face sleeve	mm	150-250
Grommet spacing	mm	750
Coupling	-	Zipper/Velcro/Steel ring/Eyelet
Fire resistance	-	DIN4102 B1/EN13501/NFPA701/DIN75200
Antistatic	Ω	≤3 x 108
Packing	-	Pallet
Diameter(mm)	Dimension(mm)
	A	B
450	650	350
600	850	450
750	1100	550
800	1150	600
900	1300	700
1000	1400	750
1050	1500	800
1200	1700	900
1350	1950	1050
1500	2150	1150
1650	2300	1200
The above values are average for reference, allowing 10% tolerance. Customization is acceptable for all given values.

 Product Feature

◈ Used for low headroom or small mine tunnels with a limited height.
◈ All ducting and fittings are available in both layflat and spiral.
◈ Increased airflow by maximizing duct space.
◈ Welding inside suspension fins reduce air leakage rates.
◈ Polyester woven or knit fabric with a PVC coating on both sides.
◈ The flame resistance meets DIN4102 B1/EN13501/NFPA701/DIN75200 standards.
◈ Diameters ranging from 450 to 1650mm, other dimensions are amenable to customization.

Product Advantages

owing to excellent assistance, a variety of high quality products and solutions, aggressive costs and efficient delivery, we take pleasure in an excellent popularity amongst our customers. We are an energetic business with wide market for High Quality for China Ceiling-Mounted Fan / Axial / Fume Exhaust / Ventilation, We believe we’ll become a leader in building and producing top quality merchandise in the two Chinese and international markets. We hope to cooperate with much more close friends for mutual gains.
High Quality for China Jet Fan, Ceiling-Mounted Fan, During in 11 years, We have participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that “customer first” and committed to helping customers expand their business, so that they become the Big Boss !