Twin Welding Hose Type: QB20
Request a Quote
Application:
This twin welding hose is designed to deliver gas during metal welding, cutting, and other processes. Gasses delivered include air, oxygen, ethyne, propane, butane, CO2, LPG (liquid petroleum gas) and more.
Temperature Range:
-20℃ ~ +70℃
Production Standard:
ISO3821
Construction:
- Tube: Black composite rubber
- Reinforcement: High strength multi-layer synthetic fiber cord
- Cover: Composite rubber with a smooth surface, abrasion resistance, thermal and oil resistance, and aging resistance
Technical Parameters:
Code No. | Size (inch) | I.D. (mm) | O.D. (mm) | W.P. (bar) (psi) | B.P. (bar) (psi) | Safety Factor | MBR (mm) | Weight (Kg/m) | Max. Length (m) | ||
QB20-6+6 | 15/64+15/64 | 6+6 | 12.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 36 | 0.33 | 100 |
QB20-6.4+6.4 | 1/4+1/4 | 6.4+6.4 | 12.5 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 40 | 0.33 | 100 |
QB20-8+8 | 5/16+5/16 | 8+8 | 15.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 48 | 0.42 | 100 |
QB20-6+8 | 15/64+5/16 | 6+8 | 15.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 48 | 0.46 | 100 |
QB20-6.4+8 | 1/4+5/16 | 6.4+8 | 15.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 48 | 0.51 | 100 |
QB20-6+9 | 15/64+23/64 | 6+9 | 16.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 55 | 0.54 | 100 |
QB20-8+9 | 5/16+23/64 | 8+9 | 16.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 55 | 0.50 | 100 |
QB20-9+9 | 23/64+23/64 | 9+9 | 16.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 55 | 0.48 | 100 |
QB20-8+9.5 | 5/16+3/8 | 8+9.5 | 16.5 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 57 | 0.54 | 100 |
QB20-9.5+9.5 | 3/8+3/8 | 9.5+9.5 | 16.5 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 57 | 0.51 | 100 |
QB20-8+10 | 5/16+13/32 | 8+10 | 17.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 60 | 0.57 | 100 |
QB20-10+10 | 13/32+13/32 | 10+10 | 17.0 | 15~21 | 214~300 | 45~63 | 642~900 | 3 | 60 | 0.52 | 100 |
Related products
Send Message
Other Products
Most Recent
More
Other Products
Videos