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Black cylindrical foam pipe insulation with smooth matte finish

Nomaco Kflex

Nomaco Kflex 6RX100200 1-1/2" x 6 ft Pipe Insulation 1" Wall

SKU CH-AMSC-JJYB3 MPN 6RX100200

Closed-cell NBR/PVC elastomeric tube insulates 1-1/2 inch pipe with a 1 inch wall, rated from -297 °F to 220 °F and an R-value of 6.3

  • Product typeDrain Components
  • Main materialHAWA
  • Product colorBlack
  • Operates from -297 °F to 220 °F for extreme temperature resilience
  • R-value 6.3 reduces heat loss and saves energy
  • 6 ft length covers long runs with fewer joints
  • NBR/PVC elastomeric material resists moisture and condensation
  • Fits 1-1/2 in pipe with 1 in wall for secure coverage

Pipe insulation for 1-1/2" pipe

This closed-cell elastomeric tube fits 1-1/2 in. iron pipe size and runs six feet in length. The one-inch wall is made from NBR/PVC based material rated from -297 °F to 220 °F. It carries an approximate R-value of 6.3 and arrives unslit for custom fitting. The black finish resists moisture and UV exposure in plumbing and HVAC runs.

Suited for hot and cold piping

Installers insulating domestic hot-water lines, chilled-water loops or refrigerant suction lines will find the temperature span and R-value appropriate. The product is not slit, so jobs requiring pre-slit or self-sealing wrap should look elsewhere. It is sold as a single six-foot length, so projects needing continuous rolls or adhesive-backed sheets are not covered.

One-inch wall thickness

The 1 in. wall delivers the listed R-value of 6.3 and determines whether the insulation meets your energy-code or condensation-control target. Thinner or thicker wall options are not included in this listing.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $25.99
Cheaper than about 57% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameNomaco Kflex
Model name6RX100200
Product typeDrain Components
Product colorBlack
Size & build
Main materialHAWA

Questions about this item

Will the NBR/PVC elastomeric material degrade or off-gas when the pipe runs at 220 °F all day?

The insulation is rated for continuous service up to 220 °F, so the NBR/PVC body remains stable at that temperature.

Do I need adhesive or tape to seal the unslit 1" wall around a 1-1/2" pipe?

Yes, the unslit tube must be slit on site and sealed with compatible contact adhesive or vapour-barrier tape.

Can this 6 ft length butt up to existing fiberglass wrap without creating a thermal bridge?

The nominal R-value of 6.3 matches typical fiberglass, so butting the ends maintains continuous insulation performance.

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