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Malleable iron union fitting, Class 150, 1 1/2 inch threaded ends

Value Brand

Value Brand Malleable Iron Union Class 150 1 1/2 in x 1 1/2 in Fitting

SKU CH-55GT-ESFXH

Malleable iron union rated Class 150 connects two 1 1/2 inch female threaded pipes

  • Malleable iron construction withstands demanding plumbing applications
  • Class 150 rating suits standard pressure piping systems
  • Female threaded ends enable quick pipe connections
  • 1 1/2 inch size fits common residential and commercial lines
  • Zoro Select brand delivers reliable fitting performance

Malleable Iron Union Class 150

This Value Brand fitting joins two 1 1/2 inch female threaded pipes in a straight line. The malleable iron construction provides mechanical strength for standard plumbing installations. Rated for Class 150 service, it suits typical residential and light commercial water, air or gas lines. The union design allows quick disconnection without cutting pipe.

Installers needing a reusable threaded joint

The union suits plumbers who require a separable connection for maintenance or equipment changes. It is not intended for high-pressure hydraulic systems exceeding the Class 150 rating. Builders needing a permanent soldered or welded joint should use a different fitting type. The item is restricted from sale in certain states, so local code compliance must be verified.

Threaded ends and malleable iron body

Both ends feature 1 1/2 inch female threads at 11 1/2 threads per inch for compatibility with standard NPT pipe. The malleable iron material resists cracking under mechanical stress better than cast iron. No gaskets, sealant or additional hardware are included in the package. The Zoro Select branding identifies the manufacturer supply line.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 55% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameZoro Select

Questions about this item

What thread standard must the mating pipe already have for this union to seal?

Both ends require 1 1/2 in female threads cut to 11 1/2 threads per inch so the connecting pipe must carry matching 1 1/2 in male threads at 11 1/2 TPI.

Can I join this union to an older malleable iron fitting that is also rated Class 150?

Yes, a second Class 150 malleable iron fitting with 1 1/2 in female 11 1/2 TPI threads will mate directly without adapters.

How do I confirm the joint is tight enough after assembly?

Pressurise the system to its working limit and inspect the union faces; no visible leakage means the metal-to-metal seat has sealed correctly.

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