The 501851 Galvanized Reducing Coupling is a durable malleable iron pipe fitting designed to join two female threaded pipe sections while reducing the connection size from 1/2 inch to 3/8 inch. Manufactured with a corrosion-resistant galvanized finish, this fitting provides dependable performance in water, air, and other non-corrosive piping systems. Its threaded design allows for simple installation and a secure connection in residential, commercial, and light industrial applications.
Key Features
Reduces threaded pipe size from 1/2 in. to 3/8 in.
Constructed from durable malleable iron for strength and long service life
Hot-dipped galvanized finish helps resist rust and corrosion
Female threaded connections on both ends
Suitable for use with galvanized steel pipe and compatible threaded fittings
Precision-machined threads help provide a secure, leak-resistant connection
Pressure-tested construction for reliable operation
Designed for water supply, compressed air, and general utility piping systems
Easy installation using standard threaded connections
Specifications
Model Number: 501851
Product Type: Reducing Coupling
Size: 1/2 in. x 3/8 in.
Connection Type: Female Iron Pipe (FIP) x Female Iron Pipe (FIP)
Material: Malleable Iron
Finish: Galvanized
Installation Method: Threaded
Lead Content: Lead-Free
Compatible Pipe Material: Galvanized Steel Pipe
Fitting Shape: Straight Reducing Coupling
Applications
Residential plumbing installations
Potable water distribution systems
Compressed air piping networks
Pipe size reduction and transition applications
Repair and maintenance of threaded galvanized piping systems
Commercial utility piping projects
Mechanical and maintenance installations
General-purpose water and air line connections
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BrandLDR Malleables
Inlet ConnectionFIP
Outlet ConnectionFIP
Product Length (in)1.46
Product Height (in)1.5
Product Width (in)1.5
Product Weight (lbs)0.244
Working Pressure (PSI)232
Maximum Pressure (PSI)300
Minimum Temperature (ºF)-20
Working Temperature (ºF)77
Maximum Temperature (ºF)347
Warranty Code1-year limited warranty
Product TypeReducing Couplings
Product MaterialMalleable Iron
StandardsNSF/ANSI 61, HHXX, FM1920, NSF/ANSI 372, AB 1953