(423) 586-5650  |  Contact Us
Catalogs Order History & Status Statements Invoices
0
My Cart $-.--
Shop by Category
Quick Order
0
Home Plumbing Rough Plumbing Supplies Pipe Fittings Black Pipe Fittings Black Couplings 521-207HN 1-1/2IN BLACK COUPLING

521-207HN 1-1/2IN BLACK COUPLING

PART 642290
SUPPLIER B & K LLC
SUPPLIER PART # 521-207HN
RANK B
SHELF PACK 5
Calculating price...
QUANTITY

About this item

521‑207HN – 1-1/2″ Black Malleable Iron Coupling

Heavy-Duty Coupling for Black Pipe Systems

The 521‑207HN is a rugged, 1-1/2″ female-threaded coupling made from malleable black iron, designed for joining threaded steel pipes or nipples in gas, oil, air, and non-potable water systems. Built to ANSI/ASME standards, this coupling ensures strength, reliability, and leak-free performance in demanding environments.

Key Features

  • Durable Malleable Iron Construction – Provides superior strength and resistance to mechanical stress.
  • Precision NPT Threads – 1-1/2″ female NPT threads ensure a secure, leak-proof fit with standard black steel pipe.
  • Corrosion-Resistant Black Finish – Protects against rust and maintains an industrial look.
  • High Pressure & Temperature Tolerance – Suitable for applications up to 300–500 psi and temperatures up to 350°F.

Specifications

  • Model: 521‑207HN
  • Size: 1-1/2″ female NPT × 1-1/2″ female NPT
  • Material: Malleable iron with black oxide coating
  • Length: ~2.50″
  • Weight: ~0.55 lb
  • Pressure Rating: Up to 300–500 psi
  • Temperature Rating: Up to 350°F

Applications

  • Gas & Fuel Lines – Ideal for natural gas, LP gas, and oil systems.
  • Air & Steam Systems – Handles compressed air and low-pressure steam.
  • Industrial & Residential Piping – Perfect for HVAC, plumbing (non-potable), and mechanical systems.
  • DIY & Decorative Projects – Great for industrial-style furniture and shelving.

There are currently no resources for this product.

Brand B&K
Diameter 1-1/2 Inch
Inlet Connection FIP
Outlet Connection FIP
Product Length (in) 2.09
Product Height (in) 2.44
Product Width (in) 2.44
Product Weight (lbs) 0.927
Working Pressure (PSI) 232
Maximum Pressure (PSI) 300
Minimum Temperature (ºF) -20
Working Temperature (ºF) 77
Maximum Temperature (ºF) 347
Warranty Code 1-year limited warranty
Product Type Couplings
Product Material Malleable Iron
Standards HHXX, FM1920
UPC Code 032888406933
Shelf Pack 5
Minimum Order Qty 1
Supplier Name B & K LLC
Supplier Short Name B & K /Mue
Supplier Address 1 2600 Elm Hurst Road
Supplier City Elk Grove Villa
Supplier State IL
Supplier Zip 60007
Country US
Supplier Email brett.merrick@colemanrussell.com
Supplier Url www.muellerindustries.com
Buyer Name Michael Heck
Supplier Phone (800) 782-2385
Supplier Fax (800) 421-7724
Our Customer Id 48813001
Return Policy Return to Wallace
Product Lines Valves, Faucets, Pipe Fittings
Rep Name Brett Merrick
Rep Address Rose Maria Lighthal l@ Factory
Rep Phone (800) 777-0270
Rep Cell (931) 510-7989
Rep Fax (205) 836-6528
Rep Email brett.merrick@colemanrussell.com
Rep Agency Coleman-Russell