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Home Plumbing Rough Plumbing Supplies Pipe Fittings Black Pipe Fittings Black Reducing Couplings 521-383 2IN X 1/2IN REDUCING COUPLING BLACK

521-383 2IN X 1/2IN REDUCING COUPLING BLACK

PART 870757
SUPPLIER B & K LLC
SUPPLIER PART # 521-383
RANK D
SHELF PACK 20
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About this item

The B&K 521-383 is a high-quality galvanized steel pipe nipple designed for use in a wide range of residential, commercial, and industrial plumbing applications. Manufactured to meet rigorous ASTM and ASME standards, this Schedule 40 nipple features a 3/8-inch nominal diameter and a 3-inch length, making it ideal for short pipe extensions, repairs, and custom installations.

Its galvanized coating provides enhanced corrosion resistance, making it suitable for both indoor and outdoor use, especially in environments where moisture or exposure to the elements is a concern. The pipe is threaded on both ends to ANSI/ASME B1.20.1 standards, ensuring a secure and leak-resistant fit with compatible galvanized fittings.

This product is part of B&K’s trusted line of galvanized steel nipples, known for their durability, reliability, and performance in demanding conditions.

Key Features

  • Size: 3/8 inch diameter x 3 inch length
  • Material: Galvanized steel for superior corrosion resistance
  • Pipe Schedule: Schedule 40
  • Threading: Precision-machined threads to ANSI/ASME B1.20.1 standards
  • Finish: Hot-dipped galvanized coating for long-lasting protection
  • Compliance: Meets ASTM and ASME specifications
  • Connection Type: Male threaded ends for easy installation

Applications

  • Water supply systems
  • Air and gas lines
  • Industrial piping systems
  • Outdoor plumbing installations
  • DIY and custom pipe projects
  • Pipe repair and extension tasks
  • Use with galvanized malleable iron fittings

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Brand LDR Malleables
Color Black
Model 521-383
Product Type Reducing Coupling
Material Black Malleable Iron
Connection Type 2 in FIP x 1/2 in FIP
Thread Standards ANSI/ASME B1.20.1
Finish Black Coating
Class 150 lb
Working Pressure 232 PSI
Maximum Pressure 300 PSI
Steam Pressure Rating 150 PSI
Working Temperature 77 °F
Maximum Temperature 347 °F
Minimum Temperature -20 °F
Product Length 2.98 in
Product Height 2.95 in
Product Width 2.98 in
Product Weight 1.1416 lb
Applications Lubricant, Oil, Grease, LP Gas, Natural Gas, Steam, Diesel
Certifications NSF/ANSI 61, NSF/ANSI 372, ASME B16.3, FM Approved
Country of Origin Imported
UPC Code 032888366275
Shelf Pack 20
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