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Galvanized malleable iron union, 1-1/2 inch FNPT, silver-grey finish

Value Brand

Value Brand 1-1/2" FNPT Galvanized Union Class 150

SKU CH-SEFD-BAMTN

Galvanised malleable-iron union with FNPT threads rated to 300 psi at 150 °F

  • Galvanized malleable iron resists corrosion for long service life
  • FNPT threads create a tight seal without welding tools
  • Class 150 rating handles 300 psi at 150 °F WOG
  • Meets ASME B16.39 and ASTM A197 standards for reliable joints
  • Union design allows quick disassembly for maintenance or repairs

1-1/2" FNPT Galvanized Union Class 150

This galvanized malleable iron union connects two sections of 1-1/2 inch FNPT pipe. It meets ASME B16.39 and ASTM A197 standards for plumbing and piping installations. The fitting is rated for 300 psi at 150 degrees Fahrenheit WOG. Suitable for water, oil, and gas service lines.

Class 150 pressure rating and 300 psi WOG

The union carries a Class 150 designation with a maximum working pressure of 300 psi at 150 degrees Fahrenheit WOG. Saturated steam pressure is rated at 150 psi. This single specification determines if the fitting matches your system pressure requirements. Verify your application pressure before purchase.

Installers needing a 1-1/2 inch FNPT threaded union

This product suits plumbers and maintenance crews joining 1-1/2 inch FNPT threaded pipe in Class 150 service. It is not for systems exceeding 300 psi WOG or 150 psi saturated steam. Buyers who need a different pipe size, connection type, or higher pressure class should look at other fittings.

Highlights

  • Galvanized malleable iron resists corrosion for long service life
  • FNPT threads create a tight seal without welding tools
  • Class 150 rating handles 300 psi at 150 °F WOG
  • Meets ASME B16.39 and ASTM A197 standards for reliable joints
  • Union design allows quick disassembly for maintenance or repairs

Specifications

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Questions about this item

What does the 300 psi rating mean when this union is installed in a water, oil or gas line?

The 300 psi rating is the maximum non-shock working pressure at 150 °F for water, oil or gas service.

How does the ASME B 16.39 standard affect the threads on this FNPT union?

ASME B 16.39 governs the thread dimensions and tolerances so the female NPT threads will mate with matching male NPT pipe to the Class 150 pressure class.

What clearance is needed to install a 1-1/2 inch galvanised malleable iron union?

The union body is sized for 1-1/2 inch pipe and its nut-and-tail design requires enough space to slide the nut over the pipe end and tighten it with a wrench.

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