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Home Plumbing Rough Plumbing Supplies Pipe Fittings Black Pipe Fittings Black Pipe Bushings 521-931HP 1/2IN X 1/4IN BLACK BUSHING

521-931HP 1/2IN X 1/4IN BLACK BUSHING

PART 642932
SUPPLIER B & K LLC
SUPPLIER PART # 521-931HP
RANK A
SHELF PACK 10
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About this item

The B&K Products 521-931HP Black Iron Hex Bushing is a compact and durable fitting designed to reduce pipe size while maintaining a secure threaded connection. It features a 3/8-inch male iron pipe (MIP) inlet and a 1/4-inch female iron pipe (FIP) outlet, making it ideal for industrial, mechanical, and non-potable fluid transport applications. This fitting belongs to the 150-lb class malleable fittings and ensures a tight seal due to the inherent softness of the metal.

Compliant with ANSI/ASME B1.20.1 threading standards and ASTM/ASME specifications, this hex bushing offers durability and reliability. Its hexagonal shape allows for easy installation and tightening using standard tools.

Key Features:

  • Connects pipes of different sizes and thread types
  • Made from durable malleable iron
  • Threaded ends comply with ANSI/ASME B1.20.1
  • Works up to 500 PSI at 150°F
  • Meets ASTM and ASME standards
  • Hex design for easy installation

Applications:

  • Lubricant, oil, and grease transport
  • LP gases and fuel systems
  • Steam and diesel systems
  • Natural gases (e.g., nitrogen, oxygen)
  • DIY plumbing and mechanical projects

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Brand LDR Malleables
Color Black
Inlet Diameter (in) 8-Mar
Inlet Connection MIP
Outlet Diameter (in) 4-Jan
Outlet Connection FIP
Product Length (in) 1.02
Product Height (in) 0.67
Product Width (in) 0.79
Product Weight (lbs) 0.033
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 Hex Bushings
Product Material Malleable Iron
Standards HHXX,FM1920
UPC Code 032888210530
Shelf Pack 10
Minimum Order Qty 1