The B&K 521-403HN 1/2-inch FIP Black Iron Cap is a durable and reliable fitting designed to seal the end of a piping system securely. Made from malleable iron, this cap is ideal for industrial and commercial applications where strength and leak resistance are critical. Its threaded design ensures easy installation and a tight seal, making it suitable for various fluid and gas transport systems. This product is not intended for potable water use.

Key Features

• Material: Malleable iron for strength and durability.
• Finish: Black iron for corrosion resistance.
• Connection Type: Female Iron Pipe (FIP) threaded ends.
• Thread Standard: ANSI/ASME B1.20.1 compliant.
• Pressure Rating: Up to 500 PSI at 150°F.
• Class: 150-lb malleable fittings.
• Standards Compliance: Meets ASTM and ASME specifications.
• Leak-Proof Design: Relative softness of metal ensures a secure seal.
• Warranty: 1-year manufacturer warranty.

Applications

• Transporting lubricant, oil, grease, LP gases, fuel.
• Suitable for natural gases (nitrogen, oxygen, etc.), steam, and diesel.
• Commonly used in industrial piping systems and DIY projects.
• Not designed for potable water applications.