Midland Black Malleable Iron Coupling
- ✔ In Stock — Ships Same Day or Next Business Day
- ✔ Trusted by contractors and industrial buyers
- ✔ Bulk pricing available — Request a Quote
Contact us for contractor pricing or large quantity discounts →
Couldn't load pickup availability
✔ Contractor-Grade Black Malleable Iron – Threaded NPT
✔ Bulk Pricing Available – Multiple Sizes In Stock
High Demand Item – Frequently Reordered by Plumbing and Gas Contractors
The Midland Black Malleable Iron Coupling is a standard threaded fitting used to join two sections of pipe in a straight run in gas, air, and plumbing piping systems. Available in multiple sizes — select from the dropdown above.
Black malleable iron construction with female NPT threads on both ends. Standard equal coupling. Conforms to ASTM A197 and ASME B16.3.
Applications
- Joining two sections of pipe in a straight run
- Gas piping system extensions
- Compressed air distribution piping
- General plumbing and mechanical piping
- Industrial and commercial piping systems
- For low-pressure applications only — not rated for high-pressure service
- Black iron finish — not suitable for outdoor or corrosive environments without additional protection
- Always verify local code compliance before installation
Key Features
- Black malleable iron — ASTM A197
- Female NPT threads both ends — ASME B16.3
- Equal coupling — same size both ends
- Multiple sizes available
Frequently Asked Questions
What is a pipe coupling used for?
Joining two sections of pipe in a straight run — same size both ends.
What thread type?
Female NPT threads on both ends.
Are these galvanized?
No — black iron finish.
What standards?
ASTM A197 and ASME B16.3.
Why Contractors Choose This Product
- Joins two pipe sections in a straight run
- Female NPT both ends for standard compatibility
- One of the most common fittings stocked
- ASTM A197 and ASME B16.3 conforming
✔ Bulk Pricing Available
✔ Fast Shipping from Multiple U.S. Warehouses
✔ Built for Contractors, Not DIY