Wound from one galvanised coil batch, gasketed fittings, seams spot-checked against EN 12237 class C.
Response within one business day. Include duty point or application details for a faster match.
| Dimensions | Diameters 100–800 mm, lengths to 3 m |
|---|---|
| Airflow | Sized per project duty |
| Power | No electrical connection |
| Noise Level | Low-turbulence seam profile |
| Certification | EN 12237 tightness class basis |
| Warranty | 10 years against seam failure |
The TV-D310 range covers machine-wound spiral duct with matched reducers, bends and take-offs — all rolled from the same galvanized coil stock, so gauge and seam quality stay consistent across an order. Gasketed self-sealing fittings cut sealant work on site.
Standard lengths and diameters ship from stock; project-specific fittings run on the same tooling with short lead times. Every batch is spot-checked for seam tightness on a pressure rig.
Square multi-cone for the open floor, round jet nozzle for the long throw, spun…
View & InquireTell us about your application and required quantity. Our engineers reply within one business day.
Scan with WeChat to start a chat.
Please share your requirements, quantity and building details. We will reply promptly.
