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Home Plumbing Rough Plumbing Supplies Pipe Fittings Black Pipe Fittings Black Reducing Couplings 521-365HNC 1-1/4IN X 1IN BLACK COUPLING

521-365HNC 1-1/4IN X 1IN BLACK COUPLING

PART 641766
SUPPLIER B & K LLC
SUPPLIER PART # 521-365HNC
RANK A
SHELF PACK 5
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About this item

The B&K 1-1/4-in x 1-in FIP Black Iron Reducing Coupling is a dependable fitting designed to connect two male-ended pipes of differing diameters. Made from black malleable iron, this coupling is engineered for durability and performance in demanding environments. It is ideal for industrial and residential applications involving non-potable fluids such as grease, oil, lubricants, liquefied petroleum (LP) gas, natural gases, steam, and diesel.

This coupling is part of B&K’s extensive line of black iron fittings, which are rigorously tested to meet the highest standards of trade professionals. The malleable iron construction allows for a secure seal due to the relative softness of the metal, and the threaded ends conform to ANSI B1.20.1 standards. Dimensions meet ASME B16.3 specifications, ensuring compatibility and reliability in various piping systems.

Whether used in mechanical systems, fuel transport, or custom plumbing projects, this reducing coupling offers a robust solution for adapting pipe sizes while maintaining system integrity.

Key Features & Applications

  • Connects two male-ended pipes of differing diameters
  • Black malleable iron construction for strength and durability
  • Ideal for:
    • Grease
    • Oil
    • Lubricants
    • Liquefied petroleum (LP) gas
    • Natural gases (e.g., nitrogen, oxygen)
    • Steam
    • Diesel
  • Provides a secure seal due to metal softness
  • Threaded ends meet ANSI B1.20.1 standards
  • Dimensions conform to ASME B16.3
  • Suitable for industrial and residential use

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Color Black
Brand LDR Malleables
Size 1-1/4-in x 1-in
Connection Type FIP (Female Iron Pipe)
Material Black Malleable Iron
Fitting Type Reducing Coupling
Pressure Rating 500 PSI
Temperature Rating 150°F
Class 150-lb malleable fittings
Thread Standard ANSI B1.20.1
Compliance ASME B16.3
UPC Code 03288840700
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