Black pipe iron malleable fittings, also known as black iron fittings, are commonly used in plumbing and gas systems. They are made from malleable iron, which is a type of cast iron that is heat-treated to improve its ductility and strength. These fittings are typically coated with a black finish, either through a process of black oxide coating or by being galvanized.
Black pipe malleable fittings are used to connect sections of black steel pipes or other compatible pipe materials. They come in various shapes and configurations, including elbows, tees, couplings, unions, bushings, caps, and plugs. These fittings have threaded ends that allow them to be screwed onto the corresponding threaded ends of pipes or other fittings.
One advantage of black pipe malleable fittings is their durability and resistance to high pressure and temperature. They are commonly used in applications where strength and reliability are crucial, such as gas distribution systems, steam pipelines, and industrial plumbing. However, it's important to note that they are not suitable for use with potable water or in environments where corrosion resistance is a priority, as the black finish does not provide adequate protection against rust and degradation.
When working with black pipe malleable fittings, it's essential to use proper techniques for sealing the threaded connections. This typically involves applying a pipe thread sealant, such as Teflon tape or pipe joint compound, to ensure a tight and leak-free connection.
It's worth mentioning that plumbing and building codes may have specific requirements and regulations regarding the use of black pipe malleable fittings. Therefore, it's important to consult local codes and guidelines to ensure compliance with the applicable standards when working on plumbing or gas systems.
The Schedule 40 Black (Imported) Pipe Fittings Specification We Offer Are:
• Material: Conforms to ASTM A 197 (CUPOLA)
• Dimensions: Conforms to ANSI B 16.3, B 16.4, B 16.39 & SI 225
• Union Dimensions: Conforms to ASME B 16.39
• Threads: Conforms to ANSI / ASME B 1.20, BS 21
• Class: 150 P.S.I • Tensile Strength: 28.4 kg/mm. (Minimum)
• Elongation: 5% Minimum
• Zinc Coating: SI 918, Conforms to ASTM A 153
• Working Pressure: 10kg/cm (150 P.S.I.) at 350°F
• Available: 1/8” through 6” • Approvals: Third Party Approved
We offer all types of black fitting. Shop for Schedule 40, schedule 80, Import, Domestic or Merchant Steel.