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Parker SIAMEEZ® Grade T Twin Line Welding Hose (Series 7109)

Red – Fuel Gas Line; Green – Oxygen Line CGA E-1, ARPM IP-7

SIAMEEZ Grade T Twin Line Welding Hose Series 7109

Series 7109 is a premium twin line welding hose featuring a flame resistant and oil resistant tube and cover. The red line is compatible with commonly used fuel gases, including acetylene, hydrogen, natural gas, propane and propylene, and the green line is compatible with oxygen. The non-blooming tube minimizes the migration of combustible waxes or plasticizers to the surface of the rubber, and the multiple plies of textile reinforcement provide flexibility. The cover is resistant to abrasion, flame, mild chemicals, oil and ozone. Series 7109 is also available in factory-fabricated and tested hose assemblies in popular configurations. Grade T is the only grade of welding hose recognized by the Compressed Gas Association (CGA) for oxy-fuel gas welding applications.

Part Number Hose I.D. Reinf Piles Hose O.D. Approx
Weight
Min Bend Rad Max Rec WP Std Pack Qty
# inch mm in mm lbs/ft kg/ft in mm psi bar ft
7109-191 3/16 4.8 2 0.438 11.1 0.16 0.07 2.0 50.8 200 13.8 800
7109-251 1/4 6.4 2 0.531 13.5 0.21 0.10 2.5 63.5 200 13.8 800
7109-311 5/16 7.9 2 0.594 15.1 0.28 0.13 3.0 76.2 200 13.8 750
7109-381 3/8 9.5 2 0.656 16.7 0.32 0.15 4.0 101.6 200 13.8 700
Performance Characteristics
Tube Black chloroprene
Reinforcement Multiple textile plies
Cover Green (oxygen) or Red (fuel gas) chloroprene; smooth finish
Temp. Range -40°F to +200°F (-40°C to +93°C)
Brand Method White ink (red hose line)
Brand Example PARKER 7109 WELDING WARNING FUEL GAS (ID) MAX WP 200 PSI ARPM/CGA IP-7-(YEAR) STD DUTY GRADE T COUPLE WITH ONE INCH FERRULES MADE IN USA (DATE CODE)
Design Factor 4:1
Industry Standards CGA E-1, ARPM IP-7
Applications Red: Acetylene, hydrogen, natural gas, propane, propylene. Green: Oxygen. Bending, brazing, cutting, fabricating, gouging, joining, piercing, pre-heating, post-heating, severing, soldering, straightening, surfacing, trimming. Assembly and fabrication shops, construction, factories, foundries, mines, oil rigs, plumbing, railyards, salvage, scrapyards, shipyards, steel mills
Vacuum Not recommended
Compare to Thermoid Tuline Grade T; Veyance Gemini Twinline Grade T
Packaging Reels; fitted hose assemblies shrink-wrapped and labeled in master cartons