Parker Industrial Hose
7120 / 7121 / 7031R Series Grade R Single Line Welding Hose ARPM IP-7

Series 7120/7121 is a single line acetylene/oxygen welding hose. Red Series 7120 is only for fuel service and is compatible only with acetylene. Green Series 7121 is only for oxygen service. The non-blooming tube minimizes the migration of combustible waxes or plasticizers to the surface of the rubber, and the multiple plies of textile reinforcement provide flexibility. Single line welding hose is available in long continuous lengths, providing maximum versatility and ease of handling in a variety of applications where only single line hose is needed or where the fuel gas and oxygen sources are separated, and twin line hose is not practical. The cover is resistant to abrasion, heat, mild chemicals and ozone. 

Applications

  • Bending, brazing, cutting, fabricating, gouging, joining, piercing, pre-heating, post-heating, severing, soldering, straightening, surfacing, trimming
  • Assembly and fabrication shops, construction, factories, foundries, mines, oil rigs, plumbing, rail yards, salvage, scrapyards, shipyards, steel mills
Model Series
  • 7120-19200, 7120-25200, 7120-31200, 7120-38200, 7120-50200
  • 7121-19200, 7121-25200, 7121-31200, 7121-38200, 7121-50200, 7030-75304R, 7031-7530450R
Click to Enlarge


Tube:Black EPDM
Reinforcement:Multiple textile plies
Cover:Series 7120: Red (acetylene) EPDM; ribbed finish 
Series 7121: Green (oxygen) EPDM; ribbed finish
(7031R Green EPDM; smooth finish)
Temp. Range:-40°F to +200°F (-40°C to +93°C)
Brand Method:Series 7120: White ink 
Series 7121/7031R: Black ink
Brand Example:Series 7120: PARKER 7120 WELDING WARNING ACETYLENE ONLY (ID) MAX WP 200 PSI ARPM IP-7-(YEAR) STD DUTY GRADE R COUPLE WITH ONE INCH FERRULES MADE IN USA (DATE CODE)
Series 7121: PARKER 7121 WELDING WARNING OXYGEN (ID) MAX WP 200 PSI ARPM IP-7-(YEAR) STD DUTY GRADE R COUPLE WITH ONE INCH FERRULES MADE IN USA (DATE CODE)
Series 7031R: PARKER 7031 GST® II/OXYGEN (ID) MAX WP 300 PSI (200 PSI OXYGEN) ARPM IP-7-(YEAR) STD DUTY GRADE R MADE IN USA (DATE CODE)
Design Factor:4:1
Industry Standards:ARPM IP-7
Vacuum:Not recommended
Compare to:Thermoid Green GP/Oxygen
Packaging:Reels