• Availability & Price
  • Search SKU
Filter by attributes
  • Hose I.D. (inch)
  • Maximum Working Pressure (psi)
More Filters...
Filter by manufacturer
Manufacturers

Grade R Single Line Oxygen Welding Hose, Series 7121

Picture for category Grade R Single Line Oxygen Welding Hose, Series 7121

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker's Series 7121 Grade R Single Line Oxygen Welding Hose provides excellent service across a wide variety of industrial and commercial applications. The hose is available in long continuous lengths for efficient inventory management and maximum utility at cramped or hard to reach job sites where the gas sources are separated and a twin line is not practical. The green cover is ribbed for easy visual and tactile identification. Series 7121 is a versatile hose for many common industrial welding applications.

Markets:
• Construction
• General Industrial
• Oil & Gas

Features/Benefits:
• Tube: Black EPDM for oxygen compatibility.
• Tube: Non-blooming to minimize the migration of combustible plasticizers and waxes to the surface of the hoses.
• Reinforcement: Multiple textile plies for strength and kink resistance.
• Cover: Green EPDM for abrasion and weathering resistance.

Applications:
- media
• Oxygen
- usage
• Bending
• Brazing
• Cutting
• Fabricating
• Gouging
• Joining
• Piercing
• Preheating
• Post-heating
• Severing
• Soldering
• Straightening
• Surfacing
• Trimming
- setting
• Auto body shops
• Craft shops
• Garages
• Mines
• Oilfield
• Plumber shops
• Railyards
• Salvage
• Scrapyards
• Shipyards
• Steel mills

Industry Standards:
• ARPM IP-7

Safety/Technical:
• Grade R is also suitable for use with inert gas.
Read More...
View as Grid List
Sort by
Display per page
ActionPart No.AvailabilityPartner AvailablePriceUOMDivisionMinimum Operating TemperatureInside DiameterCover MaterialMinimum Bend RadiusCover ColorMaximum Operating TemperatureWeightHose Reinforcement MaterialPackage TypeHose Inner Tube MaterialCover StructureOutside DiameterMaximum Operating PressureApplicationSpecifications MetMediaLength per PackageHose I.D. (inch)Maximum Working Pressure (psi)
7121-38200
Quote Required
TBD
FTHose Products Division-40 °C3/8 inchEthylene Propylene Diene Monomer (EPDM)4 inchGreen200 °F0.21 kg/m2 Plies of TextileReelBlackLongitudinal Ribs0.660 inch13.8 barWeldingARPM IP-7Industrial Gases (Oxygen)700 ft3/8200
7121-50200
Quote Required
392 In Stock
TBD
FTHose Products Division-40 °C1/2 inchEthylene Propylene Diene Monomer (EPDM)5 inchGreen200 °F0.26 lb/ft4 Plies of TextileReelEthylene Propylene Diene Monomer (EPDM)Longitudinal Ribs22.2 mm13.8 barWeldingARPM IP-7Industrial Gases (Oxygen)500 ft1/2200