15mm Altecnic intaball butterfly red handle ball valve full bore. The Altecnic Intaball butterfly handle ball valves with compression or threaded ends is the ideal isolation valve, for use in copper or steel pipe systems and with threaded adaptors for a variety of other pipe materials. Suitable for isolating individual outlets, or providing isolation for Y strainers or control valves, should maintenance be required. In larger systems they can provide isolation on heating, the primary side of HWS and cold water services and many industrial applications including air and non corrosive liquids.