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Home Plumbing Rough Plumbing Supplies Pipe Fittings Black Pipe Fittings Black Reducing Couplings 501468 1-1/4 X 1/2 BLACK REDUCING COUPLING

501468 1-1/4 X 1/2 BLACK REDUCING COUPLING

PART 683656
SUPPLIER CODA RESOURCES DBA STZ IND
SUPPLIER PART # 501468
RANK C
SHELF PACK 5
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About this item

The B&K 521-365HN is a 1-1/4-inch x 1/2-inch black iron reducing coupling, engineered to connect two male-threaded pipes of different diameters in non-potable fluid and gas systems. As part of the ProLine Series, this coupling is built from 150-lb class malleable iron, offering exceptional strength, durability, and a secure seal in demanding industrial and mechanical applications.

This reducing coupling features female iron pipe (FIP) threaded ends that comply with ANSI/ASME B1.20.1 standards, ensuring compatibility with standard pipe threads. The black finish provides corrosion resistance in non-potable systems, while the malleable iron body allows for a tight seal due to its relative softness.

Rated for up to 500 PSI at 150°F, this coupling is ideal for use in systems transporting lubricants, oils, greases, LP gases, natural gases (e.g., nitrogen, oxygen), steam, and diesel. It is not intended for potable water applications.

Key Features:

  • Material: 150-lb class malleable black iron for industrial-grade strength
  • Finish: Black coating for corrosion resistance in non-potable systems
  • Connection Type: 1-1/4" FIP x 1/2" FIP threaded ends
  • Design: Reducing coupling for connecting pipes of different diameters
  • Seal Integrity: Malleable iron provides a tight, secure seal due to its relative softness
  • Thread Standard: ANSI/ASME B1.20.1 compliant
  • Pressure Rating: Up to 500 PSI at 150°F
  • Compliance: Meets ASTM and ASME standards
  • Use Environment: Suitable for indoor and outdoor applications

Applications:

  • Fuel Systems: Ideal for LP gas and natural gas distribution
  • Industrial Piping: Used in systems transporting lubricants, oils, greases, and diesel
  • Steam Lines: Compatible with low-pressure steam applications
  • Compressed Air Systems: Provides reliable connections in pneumatic systems
  • DIY & Fabrication Projects: Great for custom pipe furniture, shelving, and structural builds

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Color Black
Brand B&K
Nominal Size 1 1-1/4 in
Nominal Size 2 1/2 in
Material Steel
Finish Black
Connection Type Female Threaded
Thread Type NPT
Fitting Type Reducing Coupling
Application Water, Gas, Oil, and Air Lines
Standards ASTM A53, ANSI B1.20.1
Brand Name Southland
Series 521
Weight (lb.) 0.45
UPC Code 019442176907
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