spiral Flexible Ventilation Ducting for Tunnel

China spiral Flexible Ventilation Ducting for Tunnel, Find details about China Municipal Engineering, Tunnel Project PVC Fabric from spiral Flexible Ventilation Ducting for Tunnel

HS Code
39199000
HS Code
39199000
SPECIFICATION
1. Foresight antistatic flexible high tensile pvc air duct hose for mining high pressure positive ventilation
ItemUnitResult
Color-black, yellow, orange or customized
Base Fabric -knitted/woven polyester fabric  with both sides PVC coated
Weightg/m2400-900 or customized
Lengthm1-300 or customized
Diameter of Ductmm300-3000 or customized
 Joint of Duct Longitudinal Joint ( Related to Diameter)pcs1-4
Circumferential jointpcs1
Sealing flap extendmm10-20
DuctNon-perpendicularity with Duct Axes°3
Steel Ring Material-spring manganese steel or cold 
drawn steel
Diameter of Steel Ringmm5-10 or customized
Distance Between Grommentmm50-80  or customized
Suspension Way-suspension fin/patch or customized
Connection Way -steel ring or zipper connection
Torsional CapacityDuct Length (≤5m)mm1/24
Duct Length (>5m)1/6
Tensile Strength of Welding JointN/50mm1000-2500 or customized
Tensile Strength (Warp/Weft)N/50mm1500-3000 or customized
Tear Strength(Warp/Weft)N400-600  or customized
Adhesion StrengthN/50mm60-100 or customized
AntistaticΩ<3*108  or optional
Wind Pressure ResistancePa3000-10000
Flame Retardant-EN-71/UL94/DIN4102  or customized

2. PVC Knife Coated Tarpaulin
Item NamePVC Knife Coated Tarpaulin
PortShanghai, China
Specification500D/1000D/1300D/1500D/2000D
Length50m-200m
Width1-3.2m
MaterialPVC
Flame ResistanceB1,B2,M2,NFPA701
Life time5-15 years under normal usage
FinishSurface: glossy/matte +surfacetreatment
Back: glossy/matte +surfacetreatment
Minimum Order Quantity2000m (40rolls)
Delivery Detail25 days after receiving deposit by T/T
 1.high strength,good tensile strength ,tearing strength,peeling strength
2.Anti-flame,Anti-UV,Anti-mildewy
3.long weather resistant
4.self-cleaning
5.good smoothness
6.waterproof

7.all colors available
spiral Flexible Ventilation Ducting for Tunnel



APPLICATIONS
1) Rain and sunshine shelter, playground;
2) Army tent, carriage tent and house building;
3) Amusement device;
4) Construction structure;
5) Truck cover, Top roof and side curtain;
6) Our door event tent (blockout).
...
spiral Flexible Ventilation Ducting for Tunnel
spiral Flexible Ventilation Ducting for Tunnel

WHY CHOOSE US
1. Effective Factory

Over view of DERFLEX: 
Established in 1998, Shanghai DER New Material Co., Ltd has production area 60,000 square meter, registered with 2,5 million US dollars. 5 calendars, 3 coating machines and 5 lamination machines, 25 senior engineers and 450 workers make our factory more competitive among the banner vinyl supplies.

2. Quality Control
DERFLEX has a very strict quality control system on its digital printing materials.
Some of our testing method of our products:
    2.1.)Weight and thickness testing on flexible materials:
Every production of PVC tarpaulin and PVC flex banner, we would test 1 roll out from 3 rolls, the weight and thickness.
 
   2.2.)Tearing and breaking strength testing
For PVC tarpaulin rolls and PVC banner frontlit, the fabric strength would be very important index during the installation
 
    2.3.)Aging testing
The PVC tarps material, mostly requires long term outdoor durance.
 
    2.4.)Printing testing
Most of our products are for digital printing. We would test our PVC banner rolls by eco-solvent, latex, UV printing, according to the customers' requirements.
 
    2.5.)Color testing
For PVC tarpaulin, continuous color is very important fact.
For digital printing materials, different area all over the world, the different white is more popular, milky white, yellowish, blueish, etc…
spiral Flexible Ventilation Ducting for Tunnel
 
3. express delivery
We usually supply our clients shipment by sea as they requires.
15 working days since deposit payment received.

spiral Flexible Ventilation Ducting for Tunnel

4. Technology support
  4.1. )For PVC Mesh Fabric, we can supply professional and customized product design according clients' needs, such as Fermentation volume, compression resistance, applied condition, and durable years ect.


   4.2. )For Biogas project, we are pleased to supply clients professional biogas bags design, engineering construction guidance, and Matching facilities suggestions.

FAQ

1. Can you produce according to the samples or drawings? 
Yes, we can produce by your samples or technical drawings. 

2.Can you send sample for reference?
Yes, we are pleased to provide samples for you.


3. How does your factory do regarding quality control? 
A. All raw material we used are passed the strength test. 
B. Skillful workers care every detail in sewing, printing, stitching, packing process; 
C. Quality control department specially responsible for quality checking in each process.


CONTACT US
Demi
  
 
Shanghai DER New Material Co.,Ltd.
WebSite: http://derflex.en.made-in-china.com
         http://derflex.en.made-in-china.com
 Tel : (+86 21) 54361792/54361798;
Fax: (+86 21) 54361795/54361798;
Office Address:
Room 411, Building A, No.1500 Longwu Road , Xuhui District, Shanghai , 200231, China.
Factory Address:
No 28, Lianding Rd, Haining City, Zhejiang Province, China
spiral Flexible Ventilation Ducting for Tunnel