Grade R Single Line Oxygen Welding Hose, Series 7121 | Product Series

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Grade R Single Line Oxygen Welding Hose, Series 7121 OBSOLETE

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Technical Specifications

Minimum Operating Temperature: -40 °C, -40 °F
Hose Inner Tube Material: Ethylene Propylene Diene Monomer (EPDM), Black
Cover Material: Ethylene Propylene Diene Monomer (EPDM)
Media: Fuels - Check fuel type with our catalogue chart.
Application: Compressed Gas
Maximum Operating Pressure: 1.4 MPa, 200 psi, 13.8 bar
Inside Diameter: 3/16 to 1/2 inch, 4.8 to 12.7 mm
Specifications Met: ARPM IP-7
Cover Structure: Longitudinal Ribs
Package Type: Reel
Hose Reinforcement Material: 2 Plies of Textile
Minimum Bend Radius: 2 to 5 inch, 50.8 to 127 mm
Nominal Hose Inside Diameter: 5 to 15 mm
Size: -3 to -8
Outside Diameter: 0.438 to 0.875 inch, 11.1 to 22.2 mm
Cover Color: Red
Maximum Operating Temperature: 200 °F, 93 °C
Weight: 0.08 to 0.26 lb/ft, 0.12 to 0.39 kg/m
Length per Package: 500 to 800 ft

chemicalComposition California Residents: Prop-65 Warning

Safety Warning

Full Product Description

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.

Products	Hose I.D. (inch)	Maximum Working Pressure (psi)	Hose I.D. (inch)	Maximum Working Pressure (psi)
7121-19200	3/16	200	1__3/16 __1	2__200 __2
7121-25200	1/4	200	1__1/4 __1	2__200 __2
7121-31200	5/16	200	1__5/16 __1	2__200 __2
7121-38200	3/8	200	1__3/8 __1	2__200 __2
7121-50200	1/2	200	1__1/2 __1	2__200 __2

Grade R Single Line Oxygen Welding Hose, Series 7121 | Product Series

Hose I.D. (inch)

Maximum Working Pressure (psi)

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Grade R Single Line Oxygen Welding Hose, Series 7121 OBSOLETE

Technical Specifications

Full Product Description

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