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Malleable iron tee fitting with three female NPT connections

Anvil

Anvil 0310031208 Malleable Iron Tee Class 150 Trap

SKU CH-Q672-KEJPS MPN 0310031208

Malleable iron tee connects three 3-inch NPT pipes at 300 psi and 150 °F

  • TypeDrain Components
  • MaterialHAWA
  • Malleable iron construction provides corrosion-resistant durability
  • Class 150 rating supports 300 psi at 150 °F
  • Schedule 40 pipe compatibility ensures secure fit
  • Three 3-inch female NPT ports simplify branching
  • Tee design directs flow efficiently in drainage systems

Anvil Malleable Iron Tee Class 150

The Anvil 0310031208 is a malleable iron tee fitting rated Class 150 for Schedule 40 pipe systems. It features three 3-inch female NPT connections for branching fluid lines. The fitting handles a maximum operating pressure of 300 psi at 150 degrees Fahrenheit. It suits plumbing and industrial piping installations requiring a durable three-way junction.

Installation uses standard NPT threading

Thread sealant or tape on the 3-inch female NPT ports creates a pressure-tight seal with male pipe ends. Malleable iron requires careful tightening to avoid cracking the casting. Misaligned pipes stress the joints and cause leaks at the threads. The Class 150 rating matches Schedule 40 pipe dimensions for proper engagement.

Class 150 limits pressure and temperature

The 300 psi rating applies only at the 150 degrees Fahrenheit maximum; higher temperatures reduce the allowable pressure. Schedule 40 pipe walls determine the flow capacity and mechanical strength of the assembly. The three-way female NPT layout fixes the connection geometry and cannot adapt to other sizes or flange types. Galvanic corrosion may occur if joined with dissimilar metals without isolation.

Highlights

  • Malleable iron construction provides corrosion-resistant durability
  • Class 150 rating supports 300 psi at 150 °F
  • Schedule 40 pipe compatibility ensures secure fit
  • Three 3-inch female NPT ports simplify branching
  • Tee design directs flow efficiently in drainage systems

Specifications

TypeDrain Components
MaterialHAWA
BrandAnvil
Model0310031208

Questions about this item

How can I verify the tee is holding pressure correctly after installation?

Pressurise the system up to the 300 psi rating and inspect all three NPT joints for leaks; a tight, dry joint at the rated pressure confirms the Class 150 malleable iron fitting is working as intended.

What components are included and what must I supply separately?

The box contains only the 3-inch female NPT malleable iron tee; you must provide Schedule 40 pipe, thread sealant or tape, and any additional fittings required for your drainage layout.

Which version suits a 3-inch Schedule 40 system rated for 300 psi at 150 °F?

Model 0310031208 is the correct choice — it is a Class 150 malleable iron tee with three 3-inch female NPT ports designed for exactly that pressure and temperature rating.

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