Welding Hose
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Welding
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Page |
Oxygen (Green) |
Acetylene (Red) |
Fuel Gases* (Red) |
Flame-and Oil-Resistant Tube |
Flame-and Oil-Resistant Cover |
| Single Line Welding Grade R | 316 | Yes | Yes | No | No | No
| | Single Line Welding Grade RM | 315 | Yes | Yes | No | No | Yes
| | Single Line Welding Grade T | 314 | Yes | Yes | Yes | Yes | Yes
| | Twin-Line Welding Grade R | 313 | Yes | Yes | No | No | No
| | Twin-Line Welding Grade RM | 312 | Yes | Yes | No | No | Yes
| | Twin-Line Welding Grade T | 311 | Yes | Yes | Yes | Yes | Yes |
*Fuel Gases are defined in ARPM IP-7 welding hose standard. Flammable compressed gases commonly used in the
welding and cutting industry including, but not limited to, acetylene, hydrogen, methane/natural gas, LP gas, propylene
and methylacetylene-propadiene stabilized.
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Twin–Line Welding Grade T – Type VD

Product Specifications
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Application
Use for welding service This hose meets ARPM IP-7
and CGA E-1 standards for Grade T welding hose and
is non-conductive
Construction
> Tube
Wingprene® synthetic rubber, compatible with all common
welding fuel gases
> Cover
Chemivic synthetic rubber with a smooth cover
> Reinforcement
Spiral synthetic yarn
Temperature Range
-40°F to 120°F (-40°C to 49°C)
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Packaging
500' reels
Branding
Example: Twin-Line 1/4" Grade T Fuel Gas Std Duty Max WP
200 psi Meets ARPM IP-7/CGA E-1 Made In USA Continental
ContiTech
Couplings
Refer to the ContiTech Industrial Hose Assembly Manual for
crimp specifications
Coupled assemblies available
Order Codes
569-618
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Twin-Line Welding Grade T
| SAP # |
ID |
Nom. OD |
Max. WP |
Weight |
|
in. |
mm |
in. |
mm |
psi |
MPa |
lb./ft. |
kg/m |
| 20027443 |
3/16 |
4 8 |
0 44 |
11 2 |
200 |
1 38 |
0 13 |
0 19 |
| 20027465 |
1/4 |
6 4 |
0 53 |
13 5 |
200 |
1 38 |
0 18 |
0 27 |
| 20027480 |
5/16 |
7 9 |
0 59 |
15 0 |
200 |
1 38 |
0 22 |
0 33 |
| 20027498 |
3/8 |
9 5 |
0 66 |
16 8 |
200 |
1 38 |
0 26 |
0 39 |
Hose design ratio (burst pressure) 4:1
Note: For welding hose precautions, see Appendix C
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Twin–Line Welding Grade RM – Type VD

Product Specifications
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Application
Use for welding service. This hose meets the
ARPM IP-7 standard for Grade RM welding hose
and is non-conductive.
Construction
> Tube
SBR synthetic rubber, compatible with oxygen and
acetylene gases
> Cover
Chemivic synthetic rubber with a smooth cover
> Reinforcement
Spiral synthetic yarn
Temperature Range
-40°F to 120°F (-40°C to 49°C)
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Packaging
500' reels
Branding
Example: Twin-Line 1/4" Grade RM Acetylene Only Std
Duty Max WP 200 psi Meets ARPM IP-7 Made in USA
Continental ContiTech
Couplings
Refer to the ContiTech Industrial Hose Assembly Manual
for crimp specifications.
Order Codes
569-598
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Twin-Line Welding Grade RM
| SAP # |
ID |
Nom. OD |
Max. WP |
Weight |
|
in. |
mm |
in. |
mm |
psi |
MPa |
lb./ft. |
kg/m |
| 20027317 |
3/16 |
4 8 |
0 44 |
11 2 |
200 |
1 38 |
0 15 |
0 22 |
| 20027342 |
1/4 |
6 4 |
0 53 |
13 5 |
200 |
1 38 |
0 21 |
0 31 |
| 20027356 |
5/16 |
7 9 |
0 59 |
15 0 |
200 |
1 38 |
0 25 |
0 37 |
| 20189609 |
3/8 |
9 5 |
0 66 |
16 8 |
200 |
1 38 |
0 29 |
0 34 |
Hose design ratio (burst pressure) 4:1.
Note: For welding hose precautions, see Appendix C.
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Add to Quote Cart
Applications
Welding Hose is used in industrial transfer, handling, and support operations where reliable product performance and practical sourcing support are required.
Materials Overview
Material selection varies by media, environment, fitting interface, and service conditions. Existing product details above remain the primary source for specifications.
Selection Guidance
Match product configuration to your operating media, routing constraints, connection standards, and maintenance expectations. Use the quote cart to submit project requirements.
Installation and Maintenance Notes
Follow manufacturer handling practices, inspect components before installation, verify connection compatibility, and schedule routine inspections based on your service cycle.
Industries Served
Industrial manufacturing, processing, utilities, construction, transportation, and maintenance operations.
Technical Specifications
| Existing Technical Claim (Verbatim) |
| 569-618 Twin-Line Welding Grade T SAP # ID Nom. |
| 40°F to 120°F (-40°C to 49°C) Packaging 500' reels Branding Example: Twin-Line 1/4" Grade RM Acetylene Only Std Duty Max WP 20 |
| 569-598 Twin-Line Welding Grade RM SAP # ID Nom. |
Related Products
FAQ
- How do I select the right Welding Hose?
- Selection depends on your operating conditions, media, fittings, routing, and service goals. Submit a quote request for application-specific guidance.
- Can I request custom options for Welding Hose?
- Custom manufacturing and configuration support are available on request. Include project details with your quote cart submission.
- Do you provide volume pricing?
- Bulk and volume pricing are available upon request. Add required quantities to the quote cart for review.
- How quickly can I receive a quote?
- Our team provides fast quote turnaround for standard and custom industrial product requests.
Trust and Support
- Fast quote turnaround
- Custom manufacturing available
- Bulk and volume pricing upon request
- Sales engineer assistance
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