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Black malleable iron union coupling, 1-1/4 inch NPT female threads

Anvil

Anvil 463 Black Malleable Iron Union coupling 1-1/4

SKU CH-HAY7-0701X

A black malleable iron union coupling rated Class 150 for Schedule 40 pipe with 300 psi maximum operating pressure at 150 degrees F

  • Black malleable iron resists corrosion in water lines
  • Class 150 rating handles 300 psi at 150 °F
  • Female NPT threads on both ends for Schedule 40 pipe
  • Union design allows quick disassembly without cutting pipe

Anvil 463 Union for Schedule 40 Pipe

The Anvil 463 is a black malleable iron union coupling built for Schedule 40 piping systems. It provides a reliable connection point for plumbing installations that require occasional disassembly. Rated for 300 psi at 150 degrees F, it suits standard water, oil or gas lines within Class 150 service limits. The 1-1/4 inch female NPT threads on both ends accept matching male pipe threads directly.

Fits 1-1/4 Inch NPT Threaded Systems

This union joins two lengths of 1-1/4 inch male NPT pipe without the need to rotate either pipe run. The three-piece design allows the centre nut to be loosened for quick separation during maintenance or reconfiguration. It requires compatible Schedule 40 pipe and thread sealant rated for the same pressure and temperature class. It does not suit push-fit, compression or flanged connections.

How it compares

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

Price $22.99
Pricier than about 58% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameAnvil

Questions about this item

How long will the Class 150 rating hold up under constant 300 psi pressure at 150 °F?

The malleable iron body is rated for 300 psi at 150 °F, so sustained operation at that pressure and temperature stays within the Class 150 design limit.

Does the black iron finish radiate enough heat to keep the joint cool during all-day steam service?

Black malleable iron dissipates heat effectively, and the union is built for continuous 150 °F service without overheating the connection.

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