Heavy duty reinforced flexible suction spiral ventilation ducting for subway tunnel
Heavy duty reinforced flexible suction spiral ventilation ducting for subway tunnel
| Item | Unit | Result | ||
| Fabric | Color | - | black, yellow, orange or customized | |
| Base Fabric | - | knitted/woven polyester fabric with both sides pvc coated | ||
| Weight | g/m2 | 400-900 or customized | ||
| Length | m | 5-100 or customized | ||
| Seam strength | N/50mm | 500-2000 or customized | ||
| Tensile strength (warp/weft) | N/50mm | 600-3000 or customized | ||
| Tear strength(warp/weft) | N | 80-600 or customized | ||
| Adhesion strength | N/50mm | 60-100 or customized | ||
| Antistatic | Ω | <3*108 or optional | ||
| Wind pressure resistance | Pa | 3000-5000 | ||
| Flame retardant | - | EN13501/DIN4102 B1/NFPA701/DIN75200 or customized | ||
| Duct | Diameter | mm | 400-1500 or customized | |
| Longitudinal seam(related to length) | pcs | 1-3 | ||
| Circumferential seam(related to diameter) | pcs | 1-4 | ||
| Sealing flap extend | mm | 100-200 | ||
| Non-perpendicularity with duct axes | ° | 3 | ||
| Steel ring material | - | spring manganese steel or cold drawn steel | ||
| Diameter of steel ring | mm | 5-10 or customized | ||
| Standard pitch | mm | 100-200 or customized | ||
| Suspension way | - | suspension tag or customized | ||
| Connection way | - | steel ring or zipper coupling | ||
| Torsional capacity | Duct length (≤5m) | mm | 1/24 of circumference | |
| Duct length (>5m) | 1/16 of circumference | |||
| PS: All of the above data can be customized, please e-mail to carina at cdfhcl dot com to specificy requirements. | ||||
Foresight JULI® flexible spiral ventilation ducting advantages:
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Heavy duty woven/knitted polyester fabric both sides PVC coated.
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Spiral reinforced by spring steel wire/individual steel ring.
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Seams and profile welded airtight.
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Low friction loss due to smooth inner surface.
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Suitable for high negative and positive pressure.
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Connection way: spring steel end rings or zipper.
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Galvanized suspension hooks.
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High wear resistance and tear strength.
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Flame resistance according to EN13501/DIN4102 B1/NFPA701/DIN75200.
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Ready for fast and easy installation.
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Anti-static feature(<3*108) optional.
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Adaptable to all fittings.
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Diameter range 400mm to 1500mm.
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Standard length 5m, custom lengths available.
Trade Info:
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Delivery detail: The production cycle is 7-15 days after ordering, according to your orders.
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MOQ: 5 meters
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Supply ability: 150,000 meters/month
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Trade port: Shanghai, Shenzhen, Chengdu
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Payment term: T/T, L/C
Chengdu Foresight Composite Co., Ltd. was established in 2006, is an all-around major composite material enterprise. Our products are widely used in PVC inflatable fabric for recreational toys, mining ventilation duct, tunnel air duct, flexible biogas engineering fabric, textile architecture membranes, tent fabric, PVC tarpaulin for vehicle and boat, pond liner, PVC geomembrane, air tightness fabric for water&gas tank etc.
We obtained more than 10 national patents, unique anti-static technology has won the National Security Science and Technology Achievement Award. Besides, we are the drafter of national and industrial standards of coal mine ventilation materials.
We are looking forward to a long term business relationship and getting a win-win situation with you!
Q1. Are you a factory or trading company?
A: We are a factory with four workshops.
Q2. What is goods lead time?
A: According to clients' requirements, generally the lead time is 5 to 15 days.
Q3. How can I get some samples?
A: We are honored to offer you samples. New clients are expected to pay for the courier cost, the samples are free for you, this charge will be deducted from your formal order.
Q4. How does your factory do regarding quality control?
A: All the raw materials from international famous brand are detected by 4-6 tests before entering factory, and there is a special team who designs the product according to clients' requirement in our company, the QC department is responsible for detecting dozens of indexes during the processing, so our products will be tested many times before leaving factory, and they accord with standard and other third party certifier services.
Q5. What is your payment?
A: T/T and L/C.
Q6. Can your factory print my LOGO on the goods?
A: Yes, but printing logo will increase the cost, you need to pay in advance, and when the order quantity reaches a certain level, we will return the cost. If it is low, we can afford it.
Q7. How long is the warranty period ?
A: 1 year under normal conditions.
Q8. Where is your factory and how can we go ?
A: We are located in southwest of China, Chengdu, Sichuan, the hometown of panda. About two hours of aircraft from Shenzhen.
Contact Name: Carina Lim
E-mail: carina @ cdfhcl.com
Skype: carina.1218
Whatsapp/Wechat: +86 15828151260
Facebook: carina.lin1218 @ hotmail.com
Telephone number: +86 15828151260
Call number: +86-28-84211071
Address: Longtan Industrial Park of Chenghua District , Chengdu,China
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