The B&K 521-387HC Reducing Pipe Coupling is a premium-grade fitting designed to connect pipes of different diameters with strength and reliability. Constructed from durable malleable iron and finished with a black oxide coating, this coupling offers superior corrosion resistance and long-lasting performance in demanding environments. Engineered for industrial and plumbing applications, it features threaded NPT ends that ensure a secure, leak-resistant connection. This coupling meets ANSI and ASTM standards, making it a trusted choice for professionals who require dependable fittings for oil, gas, and fluid systems. Its robust design supports pressures up to 300 psi and operates effectively in a wide temperature range, making it ideal for adapting piping systems in various settings.

Key Features

• Made from high-strength malleable iron for durability
• Black oxide finish provides corrosion resistance
• Threaded NPT ends for secure and leak-proof connections
• Designed for pressures up to 300 psi
• Compliant with ANSI/ASME B1.20.1, ASME B16.3, and ASTM A153 standards
• Ideal for adapting pipes of different diameters in industrial and plumbing systems

Applications

• Oil and gas fluid systems
• Industrial piping installations
• Plumbing systems requiring size adaptation
• Suitable for environments with temperature ranges from -20°F to 150°F