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Black Schedule 40 nipple trap, 3 by 4-1/2 inches, matte finish

Legend Valve

Legend Valve 355-207E 3" x 4-1/2" Schedule 40 Black Nipple trap

SKU CH-SFQR-E846P

A Schedule 40 black nipple trap measuring 3 by 4-1/2 inches for drain connections

  • ColorTransparent
  • Schedule 40 wall thickness handles high-pressure drainage
  • 3-inch by 4-1/2-inch size fits standard plumbing connections
  • Black finish resists corrosion in wet environments
  • Legend Valve brand delivers reliable trap performance
  • California Proposition 65 warning discloses chemical content

Product Identity

The Legend Valve 355-207E is a Schedule 40 black nipple trap sized at 3 inches by 4-1/2 inches. It serves plumbers and maintenance teams who need a standard drain component for pipe connections. The transparent colour allows visual inspection of flow. This item is not for buyers who require a different diameter or length than the one specified.

Thermal Noise Power

As a passive plumbing fitting, the trap generates no heat, noise or electrical draw during normal operation. It relies on gravity and water seal principles rather than powered mechanisms. The Schedule 40 construction provides structural integrity for typical drainage pressure. Installers who need active pumping or heated traps must select a different product type.

Sustained Load Behaviour

Under continuous drainage flow the nipple trap maintains its seal without degradation, provided the piping system remains within standard design limits. The black finish resists corrosion from common waste fluids over extended service periods. California Proposition 65 warnings indicate the presence of listed chemicals. Users who need certified lead-free or chemical-free materials should verify compliance before installation.

Highlights

  • Schedule 40 wall thickness handles high-pressure drainage
  • 3-inch by 4-1/2-inch size fits standard plumbing connections
  • Black finish resists corrosion in wet environments
  • Legend Valve brand delivers reliable trap performance
  • California Proposition 65 warning discloses chemical content

Specifications

ColorTransparent
BrandLEGEND VALVE

Questions about this item

How is the 3" x 4-1/2" Schedule 40 black nipple installed, and what step is commonly missed?

Thread the nipple into the matching Schedule 40 fitting using PTFE tape on the male threads, then tighten with a pipe wrench; the step often missed is cleaning both thread surfaces before applying tape to prevent leaks.

What maintenance or replacement will the Schedule 40 black nipple need over time?

Inspect the threads and surface annually for corrosion or mineral build-up; replace the nipple if the black coating wears through or if seepage appears at the joint.

What limit appears first on the Schedule 40 black nipple under sustained pressure and temperature cycling?

The Schedule 40 pressure rating is the first constraint; repeated thermal expansion can stress the threads beyond the rated working pressure, leading to weeping at the joint.

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