Schutte & Koerting
•
2510 Metropolitan Drive
•
Trevose, PA 19053
•
USA
•
tel: (215) 639-0900
•
fax: (215) 639-1597
•
www.s-k.com
•
12
Water Jet Eductors
Bulletin 2M
Special Purpose Eductors
The special-purpose
eductors illustrated here are
similar in operation to the
basic Fig. 264 Eductor
described on page 3.
Fig. 24. FIG. 222 PORTABLE EDUCTOR.
Is designed for use as an auxiliary with a
pump where the suction lift is too great for the
pump alone. Made of anodized aluminum,
bronze or other materials as required.
Fig. 25. FIG. 212 CORROSION
RESISTANT EDUCTOR.
Is made of Phenolic Fiberglass
Reinforced Plastic (FRP). Body is
of one-piece construction.
TYPICAL APPLICATIONS OF S&K WATER JET EDUCTORS
Discharge
Fig. 264
Eductor
Pressure
Foot Valve
Strainer
Suction
Foot Valve
Strainer
Suction
Fig. 264
Eductor
Pressure
Valve
Fig. 26. FIG. 264 EDUCTOR USED TO EMPTY TANKS.
Water jet eductors are often used to empty tanks or to pump out sumps,
penstocks, cellars, and the like. The pressure line should be fitted with
a regulating stop valve and a pressure gauge while the suction line
should be provided with an S&K Strainer. Discharge lines should be
sealed for a positive pick-up of the liquid by turning the discharge line up
or by submerging the end of the discharge line. It is recommended that
the eductor be installed a short distance above the liquid to be handled
and that short suction lines be used. Eductors will operate with long
suction lines, as shown in the line drawing, however, with suction lifts
greater than 15’, capacities are reduced considerably. When handling
hot liquid the eductor must be arranged with a short suction line or must
be submerged.
Pressure
3/4” x 3/4”
Hose Coupling
3/4”
Stop
Valve
1“ Fig. 264
Eductor
3/4” x 1”
Hose Coupling
3/4” Std.
Brass Pipe
Suction
Discharge
Spray Nozzle
3“ Pressure Gauge 0-50 Lbs.
Fig. 27. FIG. 264 EDUCTOR USED IN MIXING LIQUIDS.
This illustration shows a typical arrangement used in mixing liquids such as
chemicals or fertilizers in proportion for spraying. The solution to be applied is mixed
in a container in approximately twice the strength at which it is to be used. The water
jet proportioning apparatus is operated by a jet of high pressure water and is
controlled by a 3/4” stop valve. A 3” pressure gauge indicates pressure. The jet
action of the pressure water draws the solution from the container and the water and
solution are mixed in the throat of the eductor and are discharged through a standard
3/4” hose to a spray nozzle. Solids can be handled and sprayed through a non-
clogging type spray nozzle.
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