The Inside Story of
CHARMA Ν Motor Units For Valves, Floorstands and Sluice
Gates
T h e exposed view gives you t h e facts. On a C h a p m a n M o t o r U n i t there are a p p r o x i m a t e l y half as m a n y p a r t s as with a n y other m a k e . T h i s is engineering sense. T h e fewer t h e p a r t s the fewer t h e headaches. T h e less com plicated the unit t h e less you pay for m a i n t e n a n c e . T h i s simplification in design is all on your plus side. You lose nothing in performance. I n fact you get s m o o t h accurate performance over a longer period of t i m e . T h e r e ' s no drift. Backlash is low. And seat tightness is
held a t a n y predetermined level by precise micrometercontrolled limit switch. Installation is easy a n d economical. W h e n used with floorstands t h e y come completely wired a t factory . . . ready for y o u r line. T h e y ' r e weatherproof. T h e y ' r e steam tight. And t h e y o p e r a t e a t a n y angle. Rugged s t u b t o o t h gears require no grease or oil. See our Catalog 5 1 , now. If y o u ' v e misplaced y o u r copy write for a new one, t o d a y .
THE CHAPMAN VALVE MANUFACTURING CO. INDIAN 50 A
ORCHARD,
MASSACHUSETTS
For further information, circle number 50 A on Readers' Service Card, page 115 A
INDUSTRIAL AND ENGINEERING CHEMISTRY
