... Stainless Steel 304 3.Automatic leak hunting 5 gallons barrel leak hunting machine Then the barreled will go to ... down, puff valve will closed to the mouth of barrel, start puffing, after a certain time, if can ... not reach the certain pressure, the Barrel will be remove away from the machineModel JL-600Number ... size (mm) 850×600×1800Weight 800kgsAutomatic 5 gallons barrel leak hunting machine