Part #: TC43BCDI1A

Bottom Outlet Cap 4″

The Salco Products (TC43BCDI3A) 4-Inch Ductile Iron Bottom Outlet Cap with Black Buna Gasket and Carbon Steel Chain is made out of ductile iron material with a 3-inch carbon steel/ ductile iron plug. It fits a standard 5-1/4-inch railroad thread for application to any car manufacturer’s nozzle. Comes with 3/8-inch, carbon steel, chain, a 4-inch, 304 stainless steel lock ring, a 3/8 by 2-1/4-inch, zinc plated carbon steel, hex bolt, a 3/8-inch, zinc plated carbon steel, hex nut lock, a 3/8-inch USS, zinc plated carbon steel, flat washer, and a 3/8 by 3-1/2-inch, zinc plated carbon steel, S hook. This model includes an easily replaceable Black Buna gasket that is 1/4-inch thick with a 3-1/2-inch inner diameter and a 5-1/4-inch outer diameter. This cap is not AAR approved to travel with car.

Key features

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Available in ductile iron or stainless steel.

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Gasket material available in Buna-N, EPDM, Butyl, Viton A, and Neoprene (red, black, or white).

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Available in a variety of bolt patterns to fit any style 4-inch ball valve.

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Ask your Salco representative about other gasket materials Salco can provide.

Resources

Product Card • December 17, 2025

Plastic Bottom Outlet Cap