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| Customization: | Available |
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| Material: | Plastic |
| Usage: | Marine, Mining, for Firefighting, for Air Conditioner, Industrial, for Environment Protection |
Suppliers with verified business licenses
HSD specializes in the design and manufacture of both positive and negative pressure ventilation systems, with a diverse product portfolio comprising over 100 models across three core series. Our solutions are widely applied in bridge and tunnel construction, highways, light rail and high-speed rail systems, mining, and other critical sectors.
Through continuous refinement and rigorous testing, HSD products deliver proven performance, exceptional stability, and high reliability. We maintain strong technical capabilities, supported by comprehensive processing equipment and quality assurance systems.
HSD serves a global client base, including internationally recognized partners such as Siemens, GE, and VEM, as well as leading domestic enterprises like Weichai Power and Sinotruk. Our products and services have reached over 100 countries and regions, including the UK, France, Italy, Japan, and South Africa.
Guided by our commitment to excellence, we strive to provide advanced products, professional technical support, and dependable after-sales service. We look forward to collaborating with partners worldwide to achieve new milestones together.
| Material | Knitted/woven polyester fabric with both sides PVC coated |
| Diameter | 200--3000mm or customized |
| Thickness | 0.45-0.9mm or customized |
| Weight | 470g/m2 or customized |
| Length | 1--300m or customized |
| Wind pressure resistance | ≥5000 Pa |
| Temperature | -20--200ºC |
| Steel ring material | Spring manganese steel or cold drawn steel |
| Steel ring thickness | 5--10mm or customized |
| Standard steel ring pitch | 100mm or customized |
| Suspension clasp spacing | 500mm or customized |
| Color | black,yellow,orange or customized |
| Item | Specification |
| Zippered PVC-Coated Positive Pressure Ventilation Duct | FTZSS(c300*10m) |
| FTZSS(c400*10m) | |
| FTZSS(c500*10m) | |
| FTZSS(c600*10m) | |
| FTZSS(c800*10m) | |
| FTZSS(c1000*10m) | |
| FTZSS(c1200*10m) | |
| FTZSS(c1300*10m) | |
| FTZSS(c1400*10m) | |
| FTZSS(c1500*10m) | |
| FTZSS(c1600*10m) | |
| FTZSS(c1800*10m) | |
| FTZSS(c2000*10m) | |
| FTZSS(c2200*10m) | |
| FTZSS(c2200*10m) | |
| FTZSS(c2400*10m) | |
| FTZSS(c2600*10m) | |
| FTZSS(c3000*10m) |
Material |
Knitted/woven polyester fabric with both sides PVC coated |
Diameter |
300-3000mm or customized |
Thickness |
0.45-0.9mm or customized |
Weight |
350--700g/m²or customized |
Length |
1--300m or customized |
Wind pressure |
3000--10000 Pa |
Temperature |
-20--200ºC |
Color |
black,yellow,orange or customized |
| Elasticity Index | 3000Pa--5000Pa |
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