Twin Welding Hose Type: QB20

Twin Welding Hose
Twin Welding Hose
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
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