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Black cylindrical foam pipe insulation with smooth matte finish

Nomaco Kflex

Nomaco Kflex 6RX100358 Drain Trap

SKU CH-8B5D-M4DXJ MPN 6RX100358

3" pipe insulation with 1" wall thickness and R-value 5.5, operating from -297°F to 220°F

  • TypeDrain Components
  • MaterialHAWA
  • ColorBlack
  • NBR/PVC elastomeric material resists extreme cold down to -297 °F
  • Operates reliably up to 220 °F for high-temperature drainage
  • Approximate R-value 5.5 reduces heat loss through pipe walls
  • Fits 3 5/8 in nominal ID tubes with 1 in wall thickness
  • Black finish suits concealed and exposed plumbing installations

Product identity

Nomaco Kflex 6RX100358 is a 3 5/8 in nominal ID pipe insulation made from NBR/PVC based elastomeric material. It suits installers and maintenance teams who need thermal protection on copper or steel lines.

Pre-installation checks

Verify the tube outside diameter matches 3 5/8 in so the unslit bore fits without modification. Confirm the service temperature stays between -297 °F and 220 °F and that the 1 in wall thickness satisfies the required R value of 5.5.

Build integration

The 6 ft length covers straight runs and can be cut for bends or tees without additional fittings. Black finish blends with existing pipework while the closed-cell structure resists moisture ingress and reduces condensation on chilled water or refrigerant lines.

Highlights

  • NBR/PVC elastomeric material resists extreme cold down to -297 °F
  • Operates reliably up to 220 °F for high-temperature drainage
  • Approximate R-value 5.5 reduces heat loss through pipe walls
  • Fits 3 5/8 in nominal ID tubes with 1 in wall thickness
  • Black finish suits concealed and exposed plumbing installations

Specifications

TypeDrain Components
MaterialHAWA
ColorBlack
BrandNomaco Kflex
Model6RX100358

Questions about this item

What insulation material and wall thickness come with the 6RX100358 drain trap?

The trap uses NBR/PVC based elastomeric foam with a 1 in wall thickness for thermal protection.

How do I choose between the available length options for this pipe insulation?

This model is supplied as a single 6 ft length sized for 3 5/8 in nominal I.D. tubing.

What does the R 5.5 rating mean for condensation control on a 3 5/8 in pipe?

An R 5.5 rating indicates the insulation resists heat flow well enough to keep the pipe surface above dew point in typical HVAC conditions.

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