The 501788 Galvanized Coupling is a durable malleable iron pipe fitting designed to connect two sections of 3/8 inch threaded galvanized steel pipe in a straight-line configuration. Featuring a corrosion-resistant hot-dip galvanized finish, this coupling provides a secure female-threaded connection for water, air, and utility piping systems. Its pressure-tested construction and rugged design make it suitable for residential, commercial, and light industrial applications requiring dependable pipe connections and long service life.
Key Features
Connects two 3/8 in threaded pipes of the same diameter
Female threaded connections on both ends
Durable malleable iron construction
Hot-dip galvanized finish helps resist rust and corrosion
Precision-machined threads for a secure, leak-resistant connection
Pressure-tested for dependable performance
Compatible with standard galvanized steel pipe and fittings
Suitable for water, air, and utility piping applications
Ideal for pipe extensions, repairs, and system modifications
Specifications
Model Number: 501788
Product Type: Pipe Coupling
Size: 3/8 in
Connection Type: Female Pipe Thread x Female Pipe Thread
Material: Malleable Iron
Finish: Galvanized
Thread Type: FIP/FNPT
Color: Silver
Pressure Tested: Yes
Corrosion Resistant: Yes
Compatible Pipe Material: Galvanized Steel Pipe
Application: Water, air, and utility piping systems
Applications
Residential water supply systems
Light commercial plumbing installations
Compressed air systems
Utility and mechanical piping projects
Pipe repairs and extensions
Galvanized steel pipe systems
Maintenance and retrofit applications
Indoor and protected outdoor piping installations
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Length (Inch)3 Inch
BrandCoda Resources
Inlet Diameter (in)8-Mar
Inlet ConnectionFIP
Outlet Diameter (in)8-Mar
Outlet ConnectionFIP
Product Length (in)1
Product Height (in)1
Product Width (in)1
Product Weight (lbs)0.15
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 TypeCouplings
Product MaterialMalleable Iron
StandardsNSF/ANSI 61, HHXX, FM1920, NSF/ANSI 372, AB 1953