CNM 70X20mm Prestressed Flat Ducts
1. Materials: Q195 steel strip(Galvanized or Non-glavanized).
2. Shape: Flat and Round.
3. Diameter: 35/40/45/50/55/65/70/75/80/90/100/110/120/135/140/160mm inner diameter.
4. Features: Less friction loss during tension course, perfect sealed, no rusty.
5. Applications: It has been widely adopted by modern construction, especially used in pre-tension or post-tension for concrete constructions as building materials, such as bridge construction, railway and highway construction, underground structures,buildings and channel construction, ect.
6. Technical Data of Round Metal Ducts:
| Inner Diameter |
35 |
40 |
45 |
50 |
55 |
60 |
65 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
105 |
110 |
115 |
120 |
125 |
130 |
| allowable deviation |
0.5 |
1 |
|
| Standard steel broadband |
0.25±0.01 |
0.3±0.02 |
0.35±0.02 |
| Gross Weight(Kg/m) |
0.4 |
0.41 |
0 |
0.6 |
0.63 |
0.7 |
1 |
0.8 |
0.95 |
1.03 |
1.12 |
1.26 |
1.36 |
1.46 |
1.56 |
1.66 |
1.8 |
2.02 |
2.3 |
2.55 |
7. Technical Data of Flat Metal Ducts:
| Mini Axis |
Length(Diameter) |
19 |
19 |
19 |
19 |
22 |
22 |
22 |
22 |
25 |
25 |
25 |
25 |
| Allowable Deviation |
±3 |
±3 |
±3 |
| 0 |
0 |
0 |
| Long Axis |
Length(Diameter) |
47 |
52 |
67 |
76 |
|
|
|
|
1 |
| Allowable Deviation |
±1 |
±2 |
±2 |
| Gross Weight(kg/m) |
0.37 |
0.43 |
0.56 |
0.63 |
0.43 |
0.56 |
0.63 |
0.77 |
0.18 |
0.56 |
1 |
1 |
8. Our Advantages:
We are PT Manufacturer from China, our full products range for post tensioning and pre-strssing construction:
1). Materials: pc strand, YJM anchor system(monostrand anchor, multistrands anchor), ducts(metal ducts, HDPE plastic ducts).
2). Equipment: Hydraulic Jack(QYC mono jack, YDC multi-strand tensioning jack), electric oil pump, YH30 embossing machie(onion jack), GYJ500 extrusion machine, ZG130 ducts making machine, grouting pump and mixer for post tensioning).
3). Bridge Equipment: Bridge Crane, Bridge Girder Launching Machine, Bridge Girder Transporting Vehicle, etc.
9. FAQ:
1): Q: Do you supply OEM Service or Customized-made Sheathing Ducts?
A Yes, we do. Actually, we have cooperated with many famous PT Supplier in whole world.Just send us your drawings when need to be customized.
2) Q: Do you provide free samples?
A: Yes, sure, we provide free samles for your testing.
3). Q: What information should provide before placing order?
We are appreciated you provide us detail information about your requirement:
1. What diameter of Galvanized Ducts do you need, round or flat shape?
2. How many quantity for order?
3. What is your required Destination Port?
4) Q: How is the delivery lead time:
A: Goods in stock: within 3 days, Goods out of stock(7 days), Goods need to be customized(10-15 days).
5) What is your Minimum Order?
A: MOQ: 100 pieces.
6) Q: Payment Terms?
A TT, LC, Western Union, Paypal, etc.
7) Q: How to transport the goods:
A: by shipping, airflight, express.
Welcome to your inquiry:
Mobile No.: +8613673713569
Jason Wang
Audited Supplier 
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