A. H. Stock Manufacturing Corp.`s NEWTON KWIK-DUMP MODEL 1070 VALVE with 5018 Auto Chute can be electrically or air operated. Field assembly kits are available for conversion of standard manual Newton dump valves and 4036 chutes. Just the touch of a button empties your tanker safely and gets you on your way–fast! No need for two-person crews. You don`t even have to leave your truck! (920) 726-4211.