Three way ball valves offer a variety of uses. They can be used as diverter valves where flow is diverted to either one or two other ports. They also serve well with input selectors that have an outlet fed by the supply coming out from just one side. Configurable as an L or T Port Operation the AV-L5000MA & 5100MA 3-Way Multi Port Ball Valves will handle the widest variety of applications with minimal pressure drop, minimal cavitation and excellent flow characteristics. The AV-L5000MA & 5100MA is an affordable line of high-quality stainless steel ball valves that won't break your budget. These durable products will give you years of trouble-free service at a fraction of the price that other companies charge for similar products.