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Grooved Pipe Fittings

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  • Rigid Angle Pad CouplingRigid Angle Pad Coupling
    RIGID ANGLE PAD COUPLING, 300psi, sizes 1"-12", UL/FM Listed
    Material: Ductile Iron Available Sizes: 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4", 5", 6", 8", 10",12" Finish: Non-leaded orange paint Maximum Operating Pressure: 300psi Connection: Grooved/Grooved This Grooved Rigid Coupling is used in fire suppression systems, thus allowing water to flow easier and allowing...
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  • FLEXIBLE COUPLING 300 PSI 1’’-10’’ UL/FM Listed - 3’’ - Fire Sprinkler Systems
    FLEXIBLE COUPLING, 300 PSI, 1"-12", UL/FM Listed
    Material: Ductile Iron Sizes Available: 1" up to 12" Finish: Non-leaded orange paint Maximum Operating Pressure: 300psi Fitting: Grooved/Grooved This Grooved Flexible Coupling is used in fire suppression systems, thus allowing water to flow easier and allowing for inflexibility in the joint. A pad...
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  • SPLIT FLANGE ANSI 125/150 Sizes 2’’-12’’ UL/FM Listed - 2’’ - Fire Sprinkler Systems
    SPLIT FLANGE, ANSI 125/150, Sizes 2"-12", UL/FM Listed
    Material: Ductile Iron Available Sizes: 2", 2 1/2", 3", 4", 5", 6", 8", 10" and 12" Finish: Non-leaded orange paint. Connection: Grooved/Grooved ANSI Minimum and Maximum Pressure: 125psi/150psi This Grooved Flange Adapter is used in fire suppression systems, thus allowing water to flow easily....
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  • REDUCING FLEXIBLE COUPLING 300 PSI 1-1/2’’X1-1/4’’ - 8’’X6’’ UL/FM Listed - 1-1/2’’X1-1/4’’ - Fire Sprinkler SystemsREDUCING FLEXIBLE COUPLING, 300 PSI, 1-1/2"X1-1/4" - 8"X6", UL/FM Listed
    REDUCING FLEXIBLE COUPLING, 300 PSI, 1-1/2"X1-1/4" - 8"X6", UL/FM Listed
    Material: Ductile Iron Available Sizes:  1-1/2"x1-1/4",  1-1/2"x1",  2"x1-1/4",  2"x1-1/2",  2-1/2"x1-1/2",  2-1/2"x2",  3"x2".  3"x2-1/2",  4"x2-1/2",  4"x3",  6"x2-1/2",  6"x3",  6"x4",  8"x6"  Finish: Non-leaded orange paint Maximum Operating Pressure: 300psi Connection: Grooved/Grooved This Reducing Flexible Coupling is used in fire suppression systems, thus allowing water to flow...
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NASCO Supply offers a complete selection of UL/FM listed grooved pipe fittings engineered for fire suppression systems. These durable orange fittings provide fast installation, secure connections, and long-lasting reliability in sprinkler and standpipe applications.

Our inventory includes:

  • Grooved flange adapters (ANSI 125/150)

  • Grooved concentric and eccentric reducers

  • Flexible and rigid couplings (300 PSI rated)

  • 90°, 45°, 22.5°, and 11.25° elbows (short and standard radius)

  • Equal tees, reducing tees, mechanical tees, and crosses

  • End caps and eccentric hole caps

  • Specialized fittings like fast quick couplings and drain elbows

Whether you’re installing or maintaining a fire sprinkler system, NASCO Supply delivers the grooved fittings contractors trust for performance and compliance.