Solar Force Piston Pump
A Solar Force Piston Pump draws water
from a shallow well, spring, pond, river
or tank. It can push water uphill up to
230 ft. and over long distances for a
variety of applications and uses. It can
use power directly from a photovoltaic
array, or from storage batteries, to
fill a storage tank or to pressurize
water.
Ultra-Efficient:
- Uses less power than any other
pump in its range
Economical:
- Reduces power system cost by
25-75% compared to centrifugal or AC
pumps
Solar-Direct Application:
- Starts pumping in low light
conditions
Pressurizing Application:
- DC version is most efficient. AC
version uses a low-surge permanent
magnet motor that greatly reduces
starting surge, inverter size, and
wire size requirements (when
compared to conventional AC pumps).
Rugged and Reliable:
- Proven design with a 20–year
life expectancy. Simple to maintain
with common tools (5-10 yr.
maintenance interval)
Good Tolerance for dirt and
dry run
Mechanical Drive:
- allows engine or hand-lever
backup.
Illustrated Instruction
Manual:
- makes it easy for anyone to
install and service, with no
previous experience.
Construction
- Cast iron body
- Brass cylinder and valve seats
- Leather cup piston seals
- Neoprene valve seals
- Oil-bath crankcase
- Gear (timing) belt drive on PV
models
- Standard V-belt on B models
- Pressure relief valve
- Permanent Magnet DC Motor
- Surge tank included (not in
photo)
Suction Capacity
- 25 vertical feet (7.6 m) at sea
level. Subtract 1 foot for every
1000 ft. elevation (1 m for every
1,000 m). Suction capacity may be
further limited by intake pipe
friction. Intake piping should be
minimum 1” (3010, 3020 models) or
minimum 1 1/4” (3040). For best
reliability, place the pump as close
to the water source as possible.
System Requirements
- Solar-Direct Systems: Chart
indicates power (w) required at the
pump. The rated power of the PV
array must exceed this number by 20
% or more. A pump controller (linear
current booster) is required for the
pump to start and run in varying
light conditions. A solar tracker
may be used to increase daily yield
(40-55 % in summer).
- Pressurizing Systems: battery
power system, pressure switch, and
pressure tank of minimum 60 gallon
(230 l) size (captive-air tank,
available locally)
Voltages Available:
- 12, 24, 48 VDC
Note: PV-Direct full working voltage
is typically 20% higher than nominal
(example: 29 Volts for a 24V system)
- 115V or 230V AC, 50-60Hz
Fittings
- Intake: 1 1/4” female pipe
thread
- Outlet: 1” female pipe thread
Dimensions
- 22 x 13 x 16” high (56 x 33 x 41
cm)
- With Surge Tank (not shown in
photo),
- total height 26” (60 cm)
- Weight, max. 80 lbs (36 kg)
- Shipped in 2 or 3 boxes
Warranty
- 2 years against defects in
materials and workmanship
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