- Catalog
- Find A Branch
- KeepStock
- Help
- 1-800-GRAINGER
All Products
Unrelated Links
Product Categories
- All Product Categories
- Abrasives
- Adhesives, Sealants and Tape
- Cleaning and Janitorial
- Electrical
- Electronics, Appliances, and Batteries
- Fasteners
- 90 degree pipe joints
- Furniture, Hospitality and Food Service
- HVAC and Refrigeration
- Hardware
- Hydraulics
- Lab Supplies
- Lighting
- Lubrication
- Machining
- Material Handling
- Motors
- Office Supplies
- Outdoor Equipment
- Packaging & Shipping
- Paint, Equipment and Supplies
- Pipe, Hose, Tube & Fittings
- Plumbing
- Pneumatics
- Power Transmission
- Pumps
- Raw Materials
- Reference and Learning Supplies
- Safety
- Security
- Test Instruments
- Tools
- Welding
Black pipe fittings, also called black malleable iron fittings, are used to transport gas and water. They connect to black iron and black steel pipe and form a tighter seal than black steel fittings.
-
Square Head Plugs
Purchased productsBlack 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.Brands
-
90 Degree Elbows
Purchased productsForged 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.Brands
-
Solid Square Head Plugs
Purchased productsBlack 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.Brands
-
Hex Bushings
Purchased productsForged 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.Brands
-
Tees
Purchased productsMalleable 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.Brands
-
Merchant Couplings
Purchased productsThese merchant coupling fittings are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam.Brands
-
90 Degree Street Elbows
Purchased productsBlack 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.Brands
-
Caps
Purchased productsMalleable 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.Brands
-
Unions
Purchased productsBlack 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.Brands
-
Couplings
Purchased productsMalleable 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.Brands
-
Magnetic Hex Recessed Head Plugs
Purchased productsThese 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.Brands
-
Reducers
Purchased productsForged 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.Brands
-
Floor Flanges
Purchased productsBlack 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.Brands
-
Hex Head Plugs
Purchased productsThese 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.Brands
-
Bushings
Purchased productsThick-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.Brands
-
45 Degree Street Elbows
Purchased productsBlack 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.Brands
-
Half Couplings
Purchased productsThick-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.Brands
-
Reducing Tees
Purchased productsBlack 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.Brands
-
Threaded Flanges
Purchased productsBlack 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.Brands
-
Hex Locknuts
Purchased productsBlack and Galvanized Malleable Iron—Class 150 hex locknuts are interchangeable with black cast-iron or steel. For low-pressure plumbing applications including air, water, natural gas, and steam. NPT connections.Brands
-
90 Degree Reducing Elbows
Purchased productsThese 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.Brands
-
45 Degree Elbows
Purchased productsThese 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.Brands
-
Magnetic Square Recessed Head Plugs
Purchased productsMagnetic plugs attract and hold abrasive, ferrous metal particles that are suspended in circulating fluids. They help prevent damage to lubricating and hydraulic systems. They're commonly used in gearbox, transmission, and engine manufacturing applications, as well as in automotive, aircraft, and other machinery applications.Brands
-
Reducer Couplings
Purchased productsThese 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.Brands
-
Cored Square Head Plugs
Purchased productsBlack and Galvanized Malleable Iron—Class 150 square head plugs are interchangeable with black cast-iron or steel. Use in low-pressure plumbing applications including air, water, natural gas, and steam. NPT connections.Brands
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.