Service Metal
300# Black Malleable Unions
- SKU:
- XBU
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
300# Black Malleable Iron Union
Our 300# Black Malleable Iron Unions are designed to connect two threaded pipes while allowing for easy disassembly and maintenance in higher-pressure piping systems. Manufactured from durable malleable iron, these unions provide strong, reliable performance in industrial, commercial, and mechanical applications including plumbing, gas, air, and fluid systems.
Unlike standard couplings, unions allow sections of piping to be removed or serviced without cutting or disturbing adjacent connections, making them ideal for systems requiring frequent maintenance or equipment access.
- Malleable castings conform to ASTM A197
- Malleable fitting dimensions conform to ASME B16.3
- Malleable unions conform to ASME B16.39
- Malleable bushings, plugs, and locknuts conform to ASME B16.14
- NPT threads on all fittings conform to ASME B1.20.1
- Class 300# fittings are UL listed
- Three-piece union design for easy installation and removal
- Allows maintenance without cutting or disassembling pipe runs
- Designed for secure, leak-resistant connections
- Suitable for gas, oil, air, and fluid applications
- Manufacturing facility is ISO certified
- Country of origin: Thailand & China
Use our common pipe diameters and wall thickness chart to confirm sizing before ordering malleable iron fittings.
View Pipe Size Chart PDF Download Spec Sheet PDF View Certificate of Conformance PDFBrowse our full selection of 300# black malleable iron fittings including tees, elbows, couplings, bushings, and more.
