The 501557 1-1/4 in Black Pipe Tee is a heavy-duty black malleable iron fitting designed to connect three sections of threaded pipe in gas, oil, and air distribution systems. This equal tee creates a 90-degree branch connection, allowing efficient routing of flow while maintaining the strength and reliability of the piping network. Its durable iron construction and pressure-tested design make it a dependable choice for residential, commercial, and light industrial applications.
Key Features
Durable black malleable iron construction for long-lasting performance
Equal tee design creates a three-way branch connection
Female threaded connections provide secure installation with standard black pipe
Suitable for natural gas, LP gas, compressed air, and oil applications
Pressure tested to help ensure dependable operation
Designed for residential, commercial, and light industrial piping systems
Black finish offers durability in mechanical piping installations
Manufactured to industry-recognized quality standards
Compatible with standard threaded steel pipe systems
Not intended for potable water applications
Specifications
Model Number: 501557
Product Type: Black Pipe Tee
Nominal Size: 1-1/4 in
Connection Type: Female Iron Pipe (FIP) threaded
Material: Black malleable iron
Finish: Black
Configuration: Equal tee
Pressure Rating: 300 PSI at 150°F
Pressure Rating: 150 PSI at 300°F
Standards: ASME compliant
Listings: UL listed, FM approved
Applications
Natural gas distribution systems
LP gas piping installations
Compressed air systems
Fuel oil transfer piping
Mechanical and utility piping networks
Commercial and industrial branch line installations
Equipment and appliance supply connections
Maintenance, repair, and retrofit projects
General-purpose threaded pipe system modifications
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ColorBlack
BrandLDR Malleables
Nominal Size1-1/4 in
Connection TypeFIP x FIP x FIP
MaterialBlack Malleable Iron
Maximum Working Pressure (PSI)300
Maximum Working Temperature (°F)350
Thread TypeNPT
Fitting TypeTee
ColorBlack
Compatible Pipe MaterialSteel
Product Height (in)3.3
Product Width (in)3.3
Product Weight (lb)1.6
Warranty1 year limited
CertificationsUL, FM, ANSI/ASME B1.20.1
FeaturesThreaded ends comply with ANSI/ASME standards; corrosion-resistant finish