Tho £@er@tef Higher Ei/aporating Capacity AT L O W E R
SWENSON
LONG-TUBE
COSTS!
VERTICAL
Higher steam economy, more efficient heat transfer, extra protection for heat-sensitive materials and easy handling of foaming liquids are possible with the Swenson L o n g - T u b e Vertical E v a p o r a t o r . T h e secret of Swenson efficiency is a bundle of 14 to 30 foot long heating tubes which is arranged to provide the best tube proper-, tions for the heating surface. Rapid evaporation, aided by a low hydrostatic head, induces a high velocity of vapor and liquid upward through the tubes—reducing the stagnant film "bottleneck" of heat transfer. This speedy, single-pass movement protects heat-sensitive liquids . . . retains
EVAPORATORS
color, flavor and texture. Foaming is practically eliminated. Easy inspection and cleaning are assured by simple, economical design combined with ground and polished surfaces. Whether you are planning single or multiple effect installations, y o u can be assured of greater capacities a n d lower operating costs with Swenson Evaporators. More than 1,000 installations all over the world are proof of this. S o call on Swenson experience—write for complete information today. SWENSON EVAPORATOR C O M P A N Y 15670 Lathrop Avenue, Harvey, Illinois
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Evaporators
Spray Dryers
Crystallizers
Filters
S I N C E 1889
V O L U M E
3 1,
NO.
29
JULY
2 0,
1953
3015
