Show wafer water pistol used to test steam pipes BILLINGS mont if you should visit a 17 refinery here and see a guy walking around with a toy water pistol he isn t crazy nor a misplaced cowboy hes he s working checking on steam pipes the refinery is laced with miles of pipe including high pressure steam pipes with temperatures up to degrees fahrenheit that s hot enough to cook a roast it is often necessary to know if a steam line or trap contains live steam at first refinery men touched these lines and got burnt some spit on the pipes but now one squirt from a water pistol and the water jet explodes into steam and gives the answer |