Service Metal
150# Galvanized Malleable Reducing Couplings
- SKU:
- SGR
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
150# Galvanized Malleable Iron Reducing Coupling
Our 150# Galvanized Malleable Iron Reducing Couplings are designed to connect two threaded pipes of different diameters, allowing for a smooth transition between pipe sizes. Manufactured from durable malleable iron with a hot-dip galvanized finish, these couplings provide long-lasting corrosion resistance in industrial, commercial, and mechanical applications including plumbing, water systems, and outdoor installations.
Reducing couplings are commonly used where pipe size changes are required within a straight run, maintaining system efficiency while minimizing additional fittings.
- Malleable castings conform to ASTM A197
- Hot-dipped galvanized fittings conform to ASTM A153
- Malleable fitting dimensions conform to ASME B16.3
- Malleable bushings, plugs, and locknuts conform to ASME B16.14
- Malleable unions conform to ASME B16.39
- NPT threads on all fittings conform to ASME B1.20.1
- Class 150# fittings are UL listed and FM approved at 300 PSI
- Class 300# fittings are UL listed
- Designed for reducing pipe size within threaded piping systems
- Galvanized fittings meet ANSI/NSF 61-4 Annex G and CA AB1953 (<0.25% lead)
- Manufacturing facility is ISO certified
- Country of origin: Thailand & China

Use our common pipe diameters and wall thickness chart to confirm sizing before ordering galvanized fittings.
View Pipe Size Chart PDF Download Spec Sheet PDF View Certificate of Conformance PDFNeed more galvanized malleable iron fittings? Shop our full 150# galvanized malleable iron fittings category for tees, elbows, couplings, bushings, and more.