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Black Pipe Fittings

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List Table
  • Square Head Plugs
    • TM

      Grainger Choice

    • Multiple product options available

      Black and Galvanized Malleable Iron—Class 150 square head plugs are interchangeable with black cast-iron or steel. NPT connections. For low-pressure plumbing applications including air, water, natural gas, and steam. Galvanized fittings resist rust and corrosion, are NSF-61 listed, and certified for use in potable water applications.

      Malleable Iron—Class 300 square head plugs feature thicker walls to help withstand higher pressures than Class 150 fittings. NPT threads. Suitable for air, water, oil, natural gas, and steam.

      Multiple product options available

  • Hex Bushings
    • TM

      Grainger Choice

    • Multiple product options available

      Forged Steel, Class 6000 hex bushings are ideal for high-pressure applications in the gas and oil industry. They feature NPT threads.

      Black and Galvanized Malleable Iron, Class 150 hex bushings are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam. NPT connections.

      Multiple product options available

  • 90 Degree Elbows
    • TM

      Grainger Choice

    • Multiple product options available

      Forged Steel Pipe elbows are designed for use in high-pressure applications in the gas and oil industry. Class 6000. NPT threads.

      Malleable Iron Pipe features thicker walls that can withstand higher pressures than class 150 fittings. Models are suitable for air, water, oil, natural gas, and steam.

      Multiple product options available

  • Reducers
    • TM

      Grainger Choice

    • Multiple product options available

      Forged Steel Black and Galvanized Pipe reducers are designed for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications.

      Black and Galvanized Malleable Iron—Class 150 reducers are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam. NPT connections.

      Multiple product options available

  • 90 Degree Street Elbows
    • TM

      Grainger Choice

    • Multiple product options available

      Black and Galvanized Malleable Iron—Class 150 street elbows are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam. NPT connections. Galvanized fittings resist rust and corrosion, are NSF-61 listed, and certified for use in potable water applications.

      Malleable Iron—Class 300 street elbows are engineered with thick walls to withstand higher pressures than Class 150 fittings. They feature NPT threads and are suitable for air, water, oil, natural gas, and steam.

      Multiple product options available

  • Merchant Couplings
    • TM

      Grainger Choice

    • Multiple product options available

      These merchant coupling fittings are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam.

      Multiple product options available

  • Couplings
    • TM

      Grainger Choice

    • Multiple product options available

      Malleable Iron couplings feature thick walls that can withstand higher pressures than class 150 fittings. They are suitable for air, water, oil, natural gas, and steam. Fittings must be used with properly rated nipples.

      Forged Steel pipe fittings are designed for use in high pressure applications in the gas and oil industry. They feature NPT threads. Class 6000.

      Multiple product options available

  • Caps
    • TM

      Grainger Choice

    • Multiple product options available

      Malleable Iron cap fittings feature thicker walls that can withstand higher pressures than class 150 fittings. Models are suitable for air, water, oil, natural gas, and steam. Use with properly rated nipples.

      Forged Steel Black and Galvanized cap fittings offer you a simple, economical installation solution for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications.

      Black and Galvanized Malleable Iron fittings are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam.

      Multiple product options available

  • Unions
    • TM

      Grainger Choice

    • Multiple product options available

      Black and Galvanized Malleable Iron—Class 150 fittings are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam. NPT connections.

      Malleable Iron—Class 300 unions feature thick walls to help withstand high pressures. They are suitable for air, water, oil, natural gas, and steam. NPT threads.

      Forged Steel Black and Galvanized unions are thick-walled to help provide simple, economical installation. Use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications.

      Multiple product options available

  • Tees
    • TM

      Grainger Choice

    • Multiple product options available

      Malleable Iron—Class 300 tees feature thicker walls to help withstand higher pressures than Class 150 fittings. They also feature NPT threads. Suitable for air, water, oil, natural gas, and steam.

      Forged Steel Black and Galvanized tees are thick-walled and designed for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications.

      Forged Steel—Class 6000 tees are designed for use in high pressure applications in the gas and oil industry. NPT threads.

      Multiple product options available

  • Threaded Flanges
    • TM

      Grainger Choice

    • Multiple product options available

      Black Steel Forged Flanges—Class 150 are designed for use in low-pressure plumbing applications including air, water, oil, natural gas, and steam. Use with standard wall (Schedule 40) pipes and nipples; no welding is required. Flanges bolt together with a gasket to form a tight seal that still allows easy access to the piping system.

      Multiple product options available

  • Floor Flanges
    • TM

      Grainger Choice

    • Multiple product options available

      Black and Galvanized Malleable Iron fittings are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam.

      Multiple product options available

  • Hex Head Plugs
    • TM

      Grainger Choice

    • Multiple product options available

      These Grainger-approved hex head plugs offer simple installation and are ideal for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications.

      Multiple product options available

  • Bushings
    • TM

      Grainger Choice

    • Multiple product options available

      Thick-walled, Grainger-approved bushings offer a simple, economical installation and are ideal for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications. Use with properly rated nipples and pipes.

      Multiple product options available

  • Reducing Tees
    • Multiple product options available

      Black Cast-Iron Threaded Pipe Fittings—Class 125 are designed for use in fire protection applications. Sizes 1/4" to 4" NPS are included in the “List of Inspected Fire Protection Equipment and Materials” issued by the Underwriters’ Laboratories, Inc. NPT threads.

      Malleable Iron reducing tees feature thicker walls that can withstand higher pressures than class 150 fittings. Models are suitable for air, water, oil, natural gas, and steam. Note: Fittings must be used with properly rated nipples.

      Multiple product options available

  • 45 Degree Elbows
    • TM

      Grainger Choice

    • Multiple product options available

      These Grainger-approved elbows feature thicker walls that can withstand higher pressures than class 150 fittings. They are suitable for air, water, oil, natural gas, and steam. Note: Fittings must be used with properly rated nipples.

      Multiple product options available

  • Magnetic Hex Recessed Head Plugs
    • TM

      Grainger Choice

    • Multiple product options available

      These hex recessed head plugs attract and hold abrasive, ferrous metal particles that are suspended in circulating fluids. They help prevent damage to lubricating and hydraulic systems, and are commonly used in gearbox, transmission, and engine manufacturing applications, as well as in automotive, aircraft, and other machinery applications.

      Multiple product options available

  • 90 Degree Reducing Elbows
    • TM

      Grainger Choice

    • Multiple product options available

      These Grainger-approved reducing street elbows feature thicker walls that can withstand higher pressures than class 150 fittings. Models are suitable for air, water, oil, natural gas, and steam.

      Multiple product options available

  • Half Couplings
    • TM

      Grainger Choice

    • Multiple product options available

      Thick-walled, Grainger-approved half couplings offer simple installation and are ideal for use with water and oil in chemicals, petrochemicals, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications.

      Multiple product options available

  • Solid Square Head Plugs
    • Multiple product options available

      Black and Galvanized Malleable Iron—Class 150 square head plugs are interchangeable with black cast-iron or steel. NPT connections. Use in low-pressure plumbing applications including air, water, natural gas, and steam.

      Multiple product options available

  • Reducer Couplings
    • Multiple product options available

      These reducer couplings feature thicker walls that can withstand higher pressures than class 150 fittings. Models are suitable for air, water, oil, natural gas, and steam.

      Multiple product options available

  • Slip On Flanges
    • TM

      Grainger Choice

    • Multiple product options available

      Slip-On flanges slip over pipe ends and are then fillet welded. They are excellent for fabricated applications.

      Black Steel Forged Flanges—Class 150 bolt together with a gasket to form a tight seal that still allows easy access to the piping system. Use with air, water, oil, natural gas, or steam (except where noted).

      Multiple product options available

  • Crosses
    • Multiple product options available

      Forged Steel Black and Galvanized Pipe Fittings offer simple, economical installation. Use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications. Use with properly rated nipples and pipe.

      Black and Galvanized Malleable Iron Fittings are interchangeable with black cast-iron or steel. NPT connections. Use in low-pressure plumbing applications including air, water, natural gas, and steam.

      Black and Galvanized Fittings resist rust and corrosion, are NSF-61 listed, and certified for use in potable water applications.

      Black Cast-Iron Threaded Pipe Fittings—Class 125 are designed for use in fire protection applications.

      Malleable Iron Cross Fittings feature thicker walls that can withstand higher pressures than class 150 fittings. They are suitable for air, water, oil, natural gas, and steam, and must be used with properly rated nipples.

      Multiple product options available

  • Lug Unions
    • Multiple product options available

      These thick-walled lug unions offer simple, economic installation and are ideal for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications. The fittings must be used with properly rated nipples and pipes.

      Multiple product options available

  • Faced and Drilled Threaded Flanges
    • Multiple product options available

      Black Cast-Iron Flanged Unions—Class 125 are designed primarily for use in fire protection applications. Sizes 1/4" to 12" NPS are included in the “List of Inspected Fire Protection Equipment and Materials” issued by the Underwriters’ Laboratories, Inc. UL Listed.

      Multiple product options available

  • 45 Degree Street Elbows
    • Multiple product options available

      Black and Galvanized Malleable Iron—Class 150 street elbows are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam. NPT connections.

      Multiple product options available

  • Reducing Bushings
    • TM

      Grainger Choice

    • Multiple product options available

      These thick-walled Grainger-approved reducing bushings offer a simple, economical installation and are ideal for use with water and oil in chemical, petrochemical, pulp, paper, shipbuilding, waste incineration, and semiconductor industry applications.

      Multiple product options available

  • Street Tees
    • Multiple product options available

      Black and Galvanized Malleable Iron—Class 150 street tees are interchangeable with black cast-iron or steel. NPT connections. Use in low-pressure plumbing applications including air, water, natural gas, and steam.

      Multiple product options available

  • Wyes
    • Multiple product options available

      Black Cast-Iron Flanged Pipe Fittings—Class 125 are designed primarily for use in fire protection applications.

      Black and Galvanized Malleable Iron Fittings—Class 150 are interchangeable with black cast-iron or steel. NPT connections. For low-pressure plumbing applications including air, water, natural gas, and steam.

      Multiple product options available

  • 22-1/2 Degree Elbows
    • Multiple product options available

      Black Cast-Iron Threaded Pipe Fittings—Class 125 are designed for use in fire protection applications. Sizes 1/4" to 4" NPS are included in the “List of Inspected Fire Protection Equipment and Materials” issued by the Underwriters’ Laboratories, Inc. NPT threads.

      Multiple product options available

  • Blind Flanges
    • TM

      Grainger Choice

    • Multiple product options available

      These black steel forged flanges can be bolted together with a gasket to form a tight seal that still allows easy access to the piping system. Sometimes referred to as blanking flanges, blind flanges are commonly used to blank off pipelines, valves, and pumps, or as an inspection cover. They can be used with air, water, oil, natural gas, or steam (except where noted).

      Multiple product options available

  • Socket Weld Flanges
    • TM

      Grainger Choice

    • Multiple product options available

      Socket Weld flanges support pipes while welding. They are counter-bored to accept the pipes before being fillet welded. Flange and pipe bore are the same, to enhance flow characteristics.

      Black Steel Forged Flanges—Class 150 bolt together with a gasket to form a tight seal that still allows easy access to the piping system. Use with air, water, oil, natural gas, or steam (except where noted).

      Multiple product options available

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