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Galvanised malleable iron pipe union with female NPT threads

Value Brand

Value Brand Malleable Iron Union 1/2" NPT x 1/2" NPT Class 150

SKU CH-FK4A-VCE7N

Connects two 1/2-inch NPT pipes with a galvanised malleable iron Class 150 union for easy disassembly

  • Malleable iron construction withstands 150 psi service pressure
  • Galvanised coating resists corrosion in water and gas lines
  • Union design allows quick disassembly for maintenance
  • 1/2" NPT female threads connect directly to standard pipe
  • Complies with California Proposition 65 chemical disclosure requirements

Zoro Select Malleable Iron Union

This Zoro Select union joins two half inch NPT female threads in a straight line. The malleable iron body is galvanised for corrosion resistance and rated to Class 150 service. It suits water, air and oil lines in commercial and industrial piping systems.

Suitable for standard NPT piping

Installers needing a detachable joint on half inch NPT pipe will find this union fits directly. It is not intended for metric threads, flare ends or press fit connections, so systems using those standards require a different fitting type.

Class 150 pressure rating

The Class 150 designation defines the maximum allowable working pressure for this fitting. Verify that your system design pressure falls within this rating before installation to ensure safe operation.

How it compares

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

Price $8.99
Cheaper than about 73% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameZoro Select

Questions about this item

Does the malleable iron union generate heat or noise during continuous operation?

The union is a passive fitting with no moving parts, so it produces no heat or noise when installed in a piping system.

What pipe size and thread type must already be in place for this union to connect?

Both ends require 1/2 inch female NPT threads, so the existing pipe or fittings must match that size and thread standard.

Will this Class 150 galvanized union work with older black iron pipe already in the system?

Yes, the 1/2 inch NPT threads are compatible with existing black iron pipe of the same size, allowing a direct connection.

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