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Home Plumbing Rough Plumbing Supplies Pipe Fittings Black Pipe Fittings Black Reducing Couplings 501478 2 X 1/2 BLACK REDUCING COUPLING

501478 2 X 1/2 BLACK REDUCING COUPLING

PART 870757
SUPPLIER CODA RESOURCES DBA STZ IND
SUPPLIER PART # 501478
RANK D
SHELF PACK 5
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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 019442176969
Shelf Pack 5
Minimum Order Qty 1
Supplier Name CODA RESOURCES DBA STZ INDUSTRIES
Supplier Short Name Coda Reso
Supplier Address 1 P.O. Box 6631
Supplier City 990 East North Ave Glendale Heights
Supplier State IL
Supplier Zip 60148
Country US
Supplier Email info@codaresources.com
Supplier Url www.codaresources.com
Buyer Name Michael Heck
Supplier Phone 718-485-4403
Supplier Fax (773) 265-3130
Also Known As STZ Ind
Drop Ship Order Min $2500
Return Policy Contact Factory for RGA
Rep Name Jimmy Tubbs
Rep Address 1420 Donelson Pike B6 Nashville, TN 37217
Rep Phone 615-331-8611
Rep Fax 615-832-8669
Rep Email jimmytubbs@gmail.com