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Black NBR/PVC elastomeric tee pipe fitting insulation

Nomaco Kflex

Nomaco Kflex 801-T-100418 elastomeric tee trap

SKU CH-W6AS-YNF18 MPN 801-T-100418

Elastomeric tee fitting insulates 4-1/8 inch tubing from -297 °F to 220 °F with R-5.9 thermal resistance

  • TypeDrain Components
  • ColorBlack
  • Withstands extreme cold down to -297 °F for cryogenic piping
  • Handles continuous heat up to 220 °F on hot lines
  • NBR/PVC elastomer resists oil, ozone and weathering
  • R-value 5.9 cuts thermal loss on 4-1/8" tube
  • Pre-formed tee fits 1-1/8" wall without field cutting

Elastomeric Tee for 4-1/8" Tube

The Nomaco Kflex 801-T-100418 is a pre-formed black tee fitting made from NBR/PVC based elastomeric insulation. It is designed to maintain thermal protection at a branch connection on 4 inch iron pipe size tubing. The fitting covers the joint in a single piece without the need for cutting and mitering straight lengths.

Suited for closed-cell pipe insulation systems

This tee suits installers working with 1 inch wall thickness insulation on 4-1/8 inch outer diameter tubes carrying fluids between -297 and 220 degrees F. It is not intended for pipe sizes outside the 3-1/2 inch nominal bore or for applications requiring a different insulation thickness or material composition.

Wall thickness of 1 inch

The insulation wall is 1 inch thick and carries an approximate R-value of 5.9. This single figure determines whether the fitting matches the thermal resistance specified for the rest of the pipe run.

Highlights

  • Withstands extreme cold down to -297 °F for cryogenic piping
  • Handles continuous heat up to 220 °F on hot lines
  • NBR/PVC elastomer resists oil, ozone and weathering
  • R-value 5.9 cuts thermal loss on 4-1/8" tube
  • Pre-formed tee fits 1-1/8" wall without field cutting

Specifications

TypeDrain Components
ColorBlack
BrandNomaco Kflex
Model801-T-100418

Questions about this item

How often does the NBR/PVC elastomeric material on this tee trap need replacement under normal conditions?

The NBR/PVC elastomeric body is rated for continuous service from -297 °F to 220 °F and does not have a scheduled replacement interval; inspect periodically for physical damage or compression set.

What temperature limit is reached first during sustained high-temperature operation?

The upper service limit is 220 °F; sustained exposure above this temperature will degrade the NBR/PVC insulation before any other limit is encountered.

How much heat does the fitting radiate when the system runs all day at design temperature?

With an approximate R-value of 5.9, the 1-inch thick NBR/PVC wall limits surface heat loss to a low level during continuous operation at up to 220 °F.

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