silicone duct hose
Silicone
Hoses
Thermosetting Plastic Pipe
Color
Solid
Round
Drainpipe, Wire and Cable Pipe, Corrugated Pipe
Vulcanized Duct Red
High Temperature Oven, Oven, Porcelain Kiln Hot Ai
-60degrees Celsius to +300 Degrees Celsius
Two-Layer of Silicone Coated Fiberglass
Silicone Coated Fiberglass
Carton Box
4 Meters/Roll
High Temp Silicone Flexible Hose Fiberglass Duct
19mm to 400mm
100 Root
-70 Degrees Celsiusp to 310 Degrees Celsius
for Transmission Hot and Cold Air
High Tensile Steel Wire&Fiberglass Cord
1"-12"
0.6mm-0.8mm
HJ
in Rolls
120mm x 120mm x60mm
Hebei, China
39173900
Product Description
High-Temperature Vulcanized Silicone Ventilation Hose
Specifications
- Inner Diameter: 25mm-400mm
- Length: 4 meters/piece
- Color: Red/Black
Technical Parameters
- Working Pressure: 450mmWG
- Working Air Velocity: 38 m/s
- Temperature Range: -70ºC to +300ºC (with short-term resistance up to 350ºC)
- Maximum Pressure Resistance: 5000Pa

Product Features
- Material Composition:
- Double-layer wall made of fiberglass (2 layers, customizable for multiple layers)
- High-strength elastic steel wire
- Reinforced high-temperature nylon thread
- Silicone rubber
- Durability Tests:
- Withstands continuous testing at 300ºC for 12 hours without damage
- No leakage under 0.6MPA nitrogen pressure for 1 minute
- Craftsmanship:
- High-temperature vulcanization for enhanced stability
- Smooth inner wall, leak-proof, extremely flexible, with a bending radius approximately equal to the diameter
- Can withstand 10,000 cycles of bending and stretching without damage
Applications
- Machinery and Industrial Use: Heat and cold air guidance, mechanical fan exhaust and air delivery
- Plastic Industry: Granular material drying, dust removal, and exhaust systems
- Exhaust Equipment: Heaters, blower furnaces, welding exhaust systems
- Specialized Equipment: Exhaust equipment, engine structures, chemical fiber production devices, hot and cold air delivery systems
- Special Applications: Protection and usage in aerospace and mili-tary equipment
Construction (From outside to inside) | Glass Fiber Cord +Silicon Coated+ Glass Fabric+ Steel Wire+ Glass Fabric |
Color | Red/black |
Inner Diameter | 40mm-300mm(1.5"-12") |
Thickness | 0.6mm |
Length | 4m(Max) |
Helix Spacing | 15mm,16mm,18mm,19mm(customized) |
Bending Property | Good |
Helix Wire Diameter | 1.2mm,1.5mm |
Fiber Braiding Wire Thickness | 1mm |
Fire Resistance | Non-Flammable |
Compression Ratio | Cannot Been Compressed |
Temperature Range | -70ºC/+300ºC(short time to +350ºC) |
Operating Pressure | 5000Pa |
Maximum Air Velocity | 38m/s |
Item Code | Size Inch | ID mm | Pressure Bar | Vacuum Pressure bar | Bending Radius mm | Length m |
DVH-601 | 3/4 | 19 | 3 | 0.8 | 25 | 4 |
DVH-602 | 1 | 25 | 3 | 0.76 | 29 | 4 |
DVH-603 | 1-1/4 | 32 | 2.8 | 0.65 | 36 | 4 |
DVH-604 | 1-1/2 | 38 | 2.6 | 0.6 | 43 | 4 |
DVH-605 | 2-3/4 | 44 | 2.6 | 0.58 | 49 | 4 |
DVH-606 | 2 | 50 | 2.6 | 0.55 | 56 | 4 |
DVH-607 | 2-1/2 | 63 | 2.4 | 0.46 | 68 | 4 |
DVH-608 | 3 | 75 | 2.1 | 0.43 | 81 | 4 |
DVH-609 | 3-1/4 | 80 | 2.1 | 0.4 | 90 | 4 |
DVH-610 | 3-1/2 | 89 | 2.0 | 0.35 | 100 | 4 |
DVH-611 | 4 | 102 | 1.9 | 0.35 | 105 | 4 |
DVH-612 | 5 | 127 | 1.5 | 0.28 | 133 | 4 |
DVH-613 | 6 | 152 | 1.4 | 0.28 | 156 | 4 |
DVH-614 | 6.2 | 160 | 1.2 | 0.17 | 175 | 4 |
DVH-615 | 7 | 180 | 1 | 0.15 | 190 | 4 |
DVH-616 | 8 | 200 | 0.8 | 0.1 | 210 | 4 |
DVH-617 | 10 | 250 | 0.6 | 0.08 | 260 | 4 |
DVH-618 | 12 | 300 | 0.5 | 0.07 | 310 | 4 |
DVH-619 | 14 | 350 | 0.4 | 0.06 | 370 | 4 |
DVH-620 | 16 | 400 | 0.3 | 0.05 | 420 | 4 |



