The Sweat Ball Valve with Full Port lets water flow di-directionally, regardless of the installation positioning. With sturdy construction made of brass, it's ready for any job. The product is both UL and CSA tested. A lead-free version is available, as well as a locking handle. The valve comes in sizes 1/2" - 4". Aqualine Incorporated's Sweat Ball Valve with Full Port lets water flow bi-directionally, either left to right or vice versa, regardless of the installed position. With a rigid brass construction, it holds up to any job. Since 2005, Aqualine has provided top-of-the-line products for heavy-duty jobs in both the plumbing and irrigation industries.