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Houseneeds.com    Home / Solar Water Heating / Caleffi SolarFlex Pipe / SolarFlex Buy
Caleffi SolarFlex Techs and Specs
Flexible Stainless Steel Insulated Piping for Solar Hot Water Heating Systems

Caleffi SolarFlex Technical Specifications:
  • Pipe: two corrugated stainless steel 316L
  • Insulation: two closed cell elastomer UV resistance EPDM
  • Outer Cover: UV resistant polyolefin coploymer foil
  • Insulation thickness = 5/8"
  • Thermal conductivity at 105°F = R-3.6
  • 150 psi maximum working pressure
  • 350°F maximum fluid temperature
  • -60°F minimum surface temperature
  • 50 feet per coil
  • 0.0346 gallons fluid capacity per foot
  • 5 inch minimum bending radius
Model A B C D Weight
(lb/ft)
NA3540-15 3/4" 15/16" 4" 2 1/8" 0.5
NA3520-15 1/2" 11/16" 4" 2 1/8" 0.5


Caleffi SolarFlex flexible stainless steel insulated piping


Caleffi SolarFlex flexible stainless steel insulated piping



Caleffi SolarFlex Pressure Loss Specifications:

Caleffi SolarFlex Pressure Loss for 1/2 Inch Pipe

Caleffi SolarFlex Pressure Loss for 3/4 Inch Pipe

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