Anvil Brewing Equipment kettle ball valve is a made from 304 stainless steel. This robust custom designed kettle drain valve has an integral bulkhead seal that forms an extremely rigid and leak-free joint. The convenient ½” NPT male fitting inside of the kettle allows mounting of nearly any accessory. Simple to install in any 7/8” hole and will never leak like other weldless connections! Easy to disassemble and clean.