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SU25188AL

4 SUMP COLLAR

This is a 4-inch aluminum drain sump collar used on tank trailers to provide a leak-free mounting point for drain valves. The sump is welded to the bottom of the tank, allowing complete drainage of liquids and preventing product from pooling. Its removable steel studs can be easily replaced if the threads become damaged, extending the sump's service life. Commonly used on chemical, petroleum, and other liquid tank trailers.