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JULI® flexible ventilation duct

Flexible Wind Bag for TBM

Flexible Wind Bag for TBM

Material: PVC fabric Diameter: 300-3000mm(customized) Length: 100-300m Feature: fire resistance, antistatic(optional) Coupling: zipper or metal ring Wind pressure: ≥5000Pa Temperature range:-25~60 ℃
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Description

JULI® Flexible Wind Bag for TBM Parameter:

 

Item

Unit

Test Method

SD1515

SD1015

Customized

Fabric

Base fabric

-

-

High tensile low shrinkage polyester fiber

Scrim

Denier

-

1500*1500

1000*1500

Customized

Scrim count

Warp

yarn/

inch

-

13

15

weft

-

13

13

Coating

-

-

PVC

Color

-

-

Yellow/orange

Customized

Total weight

g/m2

DIN EN ISO2286-2

620±30

550±30

Tensile strength

Warp

N/5cm

DIN53354

2600

2300

Weft

N/5cm

2500

2200

Tear strength

Warp

N

DIN53363

600

400

Weft

N

600

450

Adhesion strength

N/5cm

DIN53357

80±10

80±10

Fire resistance

-

NFPA701/DIN75200/UL94/Chinese standardMT113, MT182

Qualified

Temperature range

GB/T20105-2006

-25~60

Duct

Diameter

mm

 

1000 1200 1600 1800 2400 3000

Customized

Length

m

 

100 200 300

Sealing flap extend

cm

 

15-25

Suspension space

cm

 

50

Suspension

 

 

Suspension rib or suspension ring

Coupling

 

 

Zipper

Max pressure in 6 safety factor

Diameter

Kpa

Kpa

Kpa

400mm

36.0

30.7

Customized

 

500mm

28.8

24.5

600mm

24.0

20.4

800mm

18.0

15.3

1000mm

14.4

12.3

1200mm

12.0

10.2

1400mm

10.3

8.8

1500mm

9.6

8.2

1600mm

9.0

7.7

1800mm

8.0

6.8

2000mm

7.2

6.1

2200mm

6.5

5.6

2400mm

6.0

5.1

 

JULI® Flexible Wind Bag for TBM Advantages:

 

1. Since 2006, Foresight has more than 10 years experience of manufacturing ventilation duct and ventilation duct fabric, and owns a strong R&D team which consists of over 10 engineers graduated from professional school,  exceeds 30 high-speed rapier looms, 3 laminated production lines, several automatic production lines for pvc ventilation duct, which ensures annual production of rolled film over 10,000 tons, pvc ventilation duct fabric 15,000,000 square meters, pvc ventilation duct 2,000,000 meters (refer to DUNS Certification No.: 526498416). Foresight continues to supply the all kinds of ventilation ducts for ventilation fan company at home and abroad.

 

 

2. HF/hot air welding the suspension rib and duct automatically, uniform and stable seam to avoid the effect of welding stability due to man-made operation, so the efficiency is 2-3 times of traditional welding machine.

 

 

3. Grommet is done by automatic machine to avoid falling off.

 

 

4. The ducts are coupled with 10# engineering plastic zipper. Sewing the zipper on one piece of fabric, then welding the fabric with zipper on the duct, which ensure no any needle eye on the duct, minimized of air leakage, and protection zipper from breakage.

 

 

5. Two repair methods: repair fabric with zipper and Velcro.

 

 

 

6. Several automatic production lines, duct monthly production 20,000 meters, which ensures the short delivery time for large order.

 

 

7. Tracking and inspection in all manufacturing processes, like welding strength, wind pressure of finished duct.

 

 

8. Packing: pallet, woven bags or wooden case, low cost and applicable to long distance transportation.  

 

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Office address:
No. 11-12, 13 Floors, 3 Units,

Vanke Glamorous City, 
Chenghua District, Chengdu,
Sichuan, China

Chengdu Foresight Composite Co., Ltd.

Factory address:
No.4 Group, Longtan Township,

Guangming Village, 
Chenghua District, Chengdu, 
Sichuan, China

 

Tel: +86 28 84211071
Fax:+86 28-84298625
E-mail:
carina@cdfhcl.com

Tel: +86 28 84211071
Fax:+86 28 84298625
E-mail:
carina@cdfhcl.com