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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.
| Action | Part No. | Availability | Partner Available | Price | UOM | Division | Minimum Operating Temperature | Cover Material | Minimum Bend Radius | Cover Color | Hose Reinforcement Material | Maximum Operating Pressure | Weight | Package Type | Maximum Operating Temperature | Cover Structure | Hose Inner Tube Material | Inside Diameter | Application | Specifications Met | Media | Outside Diameter | Length per Package | Hose I.D. (inch) | Maximum Working Pressure (psi) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7121-19200 | Quote Required | TBD | Hose Products Division | -40 | Ethylene Propylene Diene Monomer (EPDM) | 2 | Green | 2 Plies of Textile | 200 | 0.08 | Reel | 200 | Longitudinal Ribs | Ethylene Propylene Diene Monomer (EPDM) | 3/16 | Welding | ARPM IP-7 | Industrial Gases (Oxygen) | 0.440 | 800 | 3/16 | 200 | |||
| 7121-25200 | Quote Required | TBD | Hose Products Division | -40 °C | Ethylene Propylene Diene Monomer (EPDM) | 63.5 mm | Green | 2 Plies of Textile | 200 psi | 0.1 lb/ft | Reel | 93 °C | Longitudinal Ribs | Ethylene Propylene Diene Monomer (EPDM) | 1/4 inch | Welding | ARPM IP-7 | Industrial Gases (Oxygen) | 13.5 mm | 800 ft | 1/4 | 200 | |||
| 7121-31200 | Quote Required | TBD | Hose Products Division | -40 °C | Ethylene Propylene Diene Monomer (EPDM) | 3 inch | Green | 2 Plies of Textile | 200 psi | 0.06 kg | Reel | 93 °C | Longitudinal Ribs | Black | 7.9 mm | Welding | ARPM IP-7 | Industrial Gases (Oxygen) | 0.590 inch | 750 ft | 5/16 | 200 | |||
| 7121-38200 | Quote Required | TBD | FT | Hose Products Division | -40 °C | Ethylene Propylene Diene Monomer (EPDM) | 4 inch | Green | 2 Plies of Textile | 13.8 bar | 0.21 kg/m | Reel | 200 °F | Longitudinal Ribs | Black | 3/8 inch | Welding | ARPM IP-7 | Industrial Gases (Oxygen) | 0.660 inch | 700 ft | 3/8 | 200 | ||
| 7121-50200 | Quote Required | 392 In Stock | TBD | FT | Hose Products Division | -40 °C | Ethylene Propylene Diene Monomer (EPDM) | 5 inch | Green | 4 Plies of Textile | 13.8 bar | 0.26 lb/ft | Reel | 200 °F | Longitudinal Ribs | Ethylene Propylene Diene Monomer (EPDM) | 1/2 inch | Welding | ARPM IP-7 | Industrial Gases (Oxygen) | 22.2 mm | 500 ft | 1/2 | 200 |