WELDING
Air &
Multipurpose
General Purpose
Heavy Duty
Push-on
Chemical
Transfer
Cleaning
Equipment
Food
Transfer
Washdown
Marine
Material
Handling
Abrasives
Bulk Transfer
Cement & Concrete
Mining
Petroleum
Aircraft Fueling
Dispensing
Dock
Transfer
Spray
Steam
Vacuum
Veyance
Water
Discharge
Suction &
Discharge
Washdown
Welding
Coupling
Systems
APPENDIX
241
WELDING
Gemini
®
Twin Line Welding (Grade R)
242
Yes
Yes
No
No
No
Gemini
®
Twin Line Welding (Grade RM) 243
Yes
Yes
No
No
Yes
Gemini
®
Twin Line Welding (Grade T)
244
Yes
Yes
Yes
Yes
Yes
Single Line
Welding (Grade R)
245
Yes
Yes
No
No
No
Single Line
Welding (Grade RM)
246
Yes
Yes
No
No
Yes
Single Line
Welding (Grade T)
247
Yes
Yes
Yes
Yes
Yes
*Fuel Gases are defined in RMA 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.
RMA IP-7 and CGA E-1
Oxygen
Acetylene
Fuel Gases* Flame and Oil
Flame and Oil
Page
(Green)
(Red)
(Red)
Resistant Tube
Resistant Cover