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Model 7865678 Washdown Pump 3.4
12V DC five chamber positive displacement diaphragm pump.
Typical applications
Theis pump is the ideal choice for wash down
applications as it provides 5 bar pressure (70psi),
making clean-up faster and easier.
Features
• Quiet operation
• Smooth flowing
• Self priming
• Integrated pressure switch turns pump on
and off automatically when the spray nozzle
is opened and closed
• Dry running without damage
• Low power consumption
• Quick disconnect fittings
Working principle
As the pump runs, pressure builds until reaching
5 bar/70 psi. At this point, the integrated pressure
switch automatically shuts the pump off.
The pump is equipped with positively checking
outlet valves which ensure that the pressure is
maintained after the pump shuts off.
When water is demanded the pressure decreases.
After a moderate drop in pressure, the integrated
pressure switch automatically turns the pump
back on.
Due to it's durable construction and thoughtful de-
sign, the pump will provide many years of service.
Important! The pressure setting of this pump is
made at the factory. Warranty invalidated by
pressure switch interference.
WDS_-InstructManual.indd
Specifications
Body:
Valve housing:
Valves:
Diaphragm:
Connection:
Liquid temperature:
Fasteners:
Max. suction lift:
Cut in pressure:
Cut-off pressure:
Duty cycle:
Motor:
Weight:
The motor is ignition protected according to ISO
8846 (Small craft – Electrical devices – Protection
against ignition of surrounding flammable gases).
Pressure and capacity data
Based on water at 68°F (+20°C) and at full voltage
of the motor.
Pressure
Bar
kPa
Psi
L/min GPM
0
0
0
13
0.5
50
7.3
12.1
1
100
14.5
10.9
1.5
150
21.8
10
2
200
29
9
2.5
250
36.3
8.3
3
300
43.5
7.5
3.5
350
50.8
6.8
4
400
58
6
4.5
450
65.3
5.3
5
500
72.5
4.5
Fuse required: 15A
ENGLISH
Nylon
Polypropylene
Nitrile
Santoprene
ISO228/1-G
3/8" NPT, 1/2" (13mm)
hose and 1/2" NPT,
3/4" (19mm) hose
Max. +120°F (+50°C)
Stainless steel
8.2 ft (2.5m)
3.7 Bar/54 psi
5 Bar/70 psi
Intermittent,
max 20 min
130W, 12V DC
with built in
thermal protection
4.4 lb (2.2kg)
Amperage
Flow
draw
12V
3.4
2.3A
3.2
3.3A
2.9
4.5A
2.6
5.5A
2.4
6.4A
2.2
7.2A
2.0
8.1A
1.8
8.9A
1.6
9.7A
1.4
11A
1.2
11A
//0 1:0: PM
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