



DOBBINS 
SINGLE CYLINDER PUMP UNIT 
With this low cost high pressure pump anyone having a good gasoline engine 
or electric motor can build his own power spray outfit. 
Spray capacity is 11 gallons per minute at 250 lbs. pressure. Large air cham- 
ber provides continuous uniform pressure. 
7’ brass cylinder. Stainless steel piston with 1/2” stroke. Self-oiling piston 
packing for perfect lubrication. Stainless steel valves and valve seats. 
VBelt drive pulley, 13” in diameter. Pulley must operate at approximately 
375 RPM. Pump is equipped with pressure relief valve and pressure gauge. 
V4” pipe thread connection for 34” spray hose. 
Patented pulley driven high speed agitator. 
No. 319P Spray Pump. Weight, 40 lbs. 
aT 
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No. 3194 Spray Gun : 
A small, light weight spray gun which will handle all spray solutions and operate at any pres- 
sure up to 300 lbs. Attaches directly to spray hose and eliminates the need of pipe extension 
and shut-off valve. 
Made entirely of brass with stainless steel disc. 14” hose connection for 34” or VY’ hose. 
Delivers a wide variety of sprays from a long distance spray of 40 feet to a fine fog, with 
in-between variations controlled by a slight turn of the handle. 
Ideal for use with all small power spray units and wheel-barrow sprayers equipped with 
a pressure tank. Weight, 1 lb. 




NOTE: In some instances it will be desirable to have different discharge equipment for a 
Power Wheelbarrow Sprayer for Greenhouse use, whitewashing, etc. 
No. 3404 Discharge equipment consists of 12! ft. of 34@’ hose, brass shut-off nozzle, 24” 
straight brass extension and adjustable Universal nozzle with spray cap. This equipment will 
be supplied on Power Wheelbarrow Sprayers when so ordered. 

DOBBINS 
MANUFACTURING CO. 
General Factories At 
Sales Offices North St. Paul, Minn. 
Elkhart, Indiana Elkhart, Indiana 

A COMPLETE LINE OF SPRAYERS 
Ask for information on Dobbins Superbilt 
Compressed Air Sprayers, Hand Sprayers, 
Bucket and Barrel Pumps, Wheelbarrow 
Sprayers, and Power Sprayers in capacities 
to 642 gallons per minute. 

Distributed by 
Printed in U. S. A. 
