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Hexagonal steel pipe bushing with male and female threaded ends

Anvil

Anvil 0318905726 Hex Bushing 3/4 x 1/8 FNPT x MNPT

SKU CH-4774-3CKEJ MPN 0318905726

Connects 3/4" male and 1/8" female NPT threads in Class 300 steel piping rated for 2,000 psi at 150°F

  • TypeDrain Components
  • MaterialHAWA
  • Hex design allows quick wrench tightening on 3/4" MNPT threads
  • Class 300 steel construction handles 2,000 psi at 150°F
  • Schedule 80 rating suits heavy-duty plumbing systems
  • FNPT x MNPT configuration connects different pipe sizes directly
  • Anvil brand delivers reliable drain-component performance

Application Scope

This hex bushing connects a 3/4 inch male threaded pipe to a 1/8 inch female threaded port in plumbing and hydraulic systems. It is intended for installers who need a straight, pressure-rated reducer for Schedule 80 piping. It does not suit applications requiring a larger female outlet or a different thread standard.

Build Quality & Connection Implications

The fitting is manufactured from steel rated to Class 300 for durability under high-pressure conditions. Male NPT threads on one end and female NPT threads on the other allow direct assembly without additional adapters. The straight profile keeps the flow path compact in tight pipe runs.

Thermals, Noise & Power Draw

As a passive metal component, the bushing generates no heat, noise or electrical draw during operation. It is rated for a maximum operating pressure of 2,000 psi at 150 degrees Fahrenheit, maintaining structural integrity within that envelope. Performance depends on correct thread engagement and system pressure management.

Highlights

  • Hex design allows quick wrench tightening on 3/4" MNPT threads
  • Class 300 steel construction handles 2,000 psi at 150°F
  • Schedule 80 rating suits heavy-duty plumbing systems
  • FNPT x MNPT configuration connects different pipe sizes directly
  • Anvil brand delivers reliable drain-component performance

Specifications

TypeDrain Components
MaterialHAWA
BrandAnvil
Model0318905726

Questions about this item

What pressure does the Class 300 rating allow at 150 Degrees F?

The fitting is rated for 2,000 psi at 150 Degrees F under the Class 300 designation.

Which pipe schedule must the mating threads follow?

The bushing is made for Schedule 80 pipe threads on both the 3/4 in male and 1/8 in female ends.

What thread sealant works with the FNPT x MNPT threads?

Apply PTFE tape or pipe dope to the male NPT threads only, then tighten to the recommended torque without over-tightening.

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