TO
mybutfcrWe ψ CHAPMAN M O T O R
UNITS
...for Valves, Floorstands, and Sluice Gates
It's a matter of simple mathe matics. Take any one of Chapman's Motor Units and look it over carefully. You'll find approximately half as many parts as with any other make. This means the chances of cutting maintenance costs are two to one in your favor. The odds can be even better. With Chapman Motor Units, you not only get simplified design, you also get sturdy construction and smooth, accurate performance over a longer period of time. There's no drift. Backlash is low. An accurate micrometercontrolled limit switch keeps seat tightness a t any predetermined level. Two points more — with Chapman Motor Units there's no trouble with either operating positions or operating conditions. Rugged stub-tooth gears re quire no grease or oil . . . operate a t any angle . . . and the complete unit is not only weatherproof. I t ' s steam tight.
Even on installation there's a chance of saving money with Chapman Motor Units. When used with floorstands they are completely wired a t the factory . . . ready to connect and work. I t ' s an easy, simple, low-cost job. Chapman Motor Units for valves, floorstands, and sluice gates are outlined in full in our Catalog 51. If you don't have it, write for it, right now.
THE
CHAPMAN VALVE
MANUFACTURING CO.
I N D I A N
O R C H A R D ,
For further information, circle number 38 A on Readers' Service Card, page 123 A 38 A
INDUSTRIAL AND ENGINEERING CHEMISTRY
M A S S .
