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Malleable iron reducing tee with three female NPT ports

Anvil

Anvil 0310039409 trap reducing tee 3/4 1/4 3/4 malleable iron class 150 schedule 40 300 psi

SKU CH-0MS9-XG50X MPN 0310039409

Malleable iron reducing tee connects 3/4" and 1/4" NPT female threads at 300 psi working pressure

  • TypeDrain Components
  • MaterialHAWA
  • Malleable iron body resists corrosion and mechanical stress
  • Class 150 rating suits standard Schedule 40 piping systems
  • Three female NPT ports simplify threaded pipe connections
  • Reducing layout joins 3/4 in, 1/4 in and 3/4 in lines
  • 300 psi at 150 °F handles demanding pressure service

Anvil 3/4 x 1/4 x 3/4 Reducing Tee

This Anvil reducing tee connects three pipe sections with female NPT threads in a 3/4 inch, 1/4 inch, 3/4 inch configuration. It is designed for plumbing and drainage systems where a branch line needs a smaller diameter than the main run. The malleable iron construction suits residential and commercial installations requiring a durable, pressure-rated fitting.

Class 150 schedule 40 pressure rating

Rated at 300 psi at 150 degrees Fahrenheit, this Class 150 fitting handles standard hot and cold water distribution pressures. Malleable iron provides mechanical strength without the brittleness of cast iron, reducing the risk of cracking under thermal cycling or mechanical stress. The schedule 40 compatibility ensures proper wall-thickness matching with standard weight pipe.

Three female NPT ports in reducing layout

The tee presents three female National Pipe Taper threads sized 3/4 inch, 1/4 inch, and 3/4 inch respectively. This specific reducing arrangement allows a direct transition from a 3/4 inch main to a 1/4 inch branch without additional bushings or couplings. Verify that your piping design calls for this exact port sequence before ordering.

Highlights

  • Malleable iron body resists corrosion and mechanical stress
  • Class 150 rating suits standard Schedule 40 piping systems
  • Three female NPT ports simplify threaded pipe connections
  • Reducing layout joins 3/4 in, 1/4 in and 3/4 in lines
  • 300 psi at 150 °F handles demanding pressure service

Specifications

TypeDrain Components
MaterialHAWA
BrandAnvil
Model0310039409

Questions about this item

How do I install the Anvil 0310039409 reducing tee, and what threading step is often missed?

Wrap PTFE tape clockwise on the male threads of each pipe, then thread the tee’s three female NPT ports — 3/4 in, 1/4 in, and 3/4 in — hand-tight plus one to two turns with a wrench; the step often missed is cleaning old sealant from the pipe threads before taping.

What maintenance or replacement will the malleable iron reducing tee need later?

Inspect the Class 150 Schedule 40 body annually for corrosion, mineral build-up, or cracked threads; replace the tee if leaks appear at any of the three female NPT connections or if the iron shows pitting.

What is the first limit that appears under sustained use of this 300 psi rated tee?

The 300 psi maximum operating pressure is rated at 150 °F; if the system temperature rises above that point the allowable pressure drops, making temperature the first limiting factor during sustained operation.

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