OXYTWIN WELDING- GRADE R
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Application
Acetylene use only where cover must resist abrasion, weather and ozone.
Construction
Tube- EPDM black
Cover- EPDM pin pricked- one line red, one line green
Branding- "Size, Grade R Acetylene Only Std. Duty kx W.P. RMA IP-7-99 Date Code"
Standard Lengths
Multiples of 25ft, 700ft reels or coupled assemblies
Notes
Coupled Assembly- Female welding stem and nut type "B" each end.
Coupled assemblies part numbers are TW-SIZE-LENGTH i.e. for 1/4" Oxytwin Grade R Assembly x 25ft long part number= TW-.25-25
Working pressures are calculated at 70 degrees F (20 degrees C). Maximum working pressure decreases as temperature increases. Pressure ratings can only be achieved using proper coupling procedures. Bend radius is calculated at 70 degrees F (20 degrees C). Flexibility may vary at different temperatures. Please contact IRP if you have concerns regarding your application.
Parts No. |
I.D. Inches |
O.D. Inches |
Max W.P. @ 70°F/20°C |
Approx. Wt. Per. Ft. Lbs. |
| TW-.188 | 3/16 | 0.44 | 200 | 0.150 |
| TW-.25 | 1/4 | 0.53 | 200 | 0.210 |
| TW-.313 | 5/16 | 0.59 | 200 | 0.250 |
| TW-.375 | 3/8 | 0.66 | 200 | 0.270 |