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 Sauer-Danfoss
offers a wide variety of open circuit products. Our fixed
and variable displacement pumps provide power for work functions
of on- and off-highway vehicles and equipment in the fields
of agriculture, construction, material handling, and many
others.
Open Circuit Solutions
Fixed displacement gear pumps and motors and variable displacement
piston pumps are a perfect choice when equipping applications
like forklift trucks, tractors and road rollers.
Our portfolio includes tailor-made pump solutions, in which
several functions are integrated in one body to optimize
size and cost. By combining products we can offer system
solutions for buses, wheel loaders and other heavy equipment.
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Features and
benefits:
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- Motor inlet pressures up to 250 bar (3626 psi)
- Full series operation capability
- European and SAE flange and shaft options
- O-ring boss ports, European 4-bolt ports
- Radial case drain option
- European and metric options
- Integral valves (requires a special rear cover)
- Fan drive versions with integral control and relief valves
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 For
light vehicles such
as aerial lifts, greens and fairway
mowers
and electric forklifts, Sauer-Danfoss
offers SKP1 and SKP2, YCC pumps
that can be used where compact
multisection pumps are required.
These pumps
feature: integral valves, pressure
balanced design for high efficiency,
and extruded aluminum bodies
for high strength.
For medium-sized vehicles such
as tractors, internal combustion engine forklifts
and skid steer loaders, we
offer the 25SP aluminum pump,
or where a heavier duty pump
is required, the cast iron
D Series. Both pumps feature:
SAE A and B mounts, integral
valves, and high-performance
DU bushings.
 For
larger off-highway vehicles like
tractors, backhoe loaders, dump
trucks and telescopic handlers,
we offer the SNP3 as well as
the CP180 and CP222 heavy duty
cast iron pumps.
Note: Many combinations of
the pumps mentioned are available
as multiple units made to fit
any need.
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Series 45 open circuit pumps can be applied with other products
in a system to transfer and control hydraulic power. They provide
an infinitely variable flow rate between zero and maximum.
The pumps are compact, high power density units, using the
axial piston concept in conjunction with a tiltable swashplate
to vary the pump displacement.
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Axial piston pumps (Series 45)
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Features and benefits
- Designed using the proven methods of quality function
deployment (QFD) and design for manufacturability (DFM)
- Wide range of low-cost installation options
- Control system flexibility - pressure-compensated,
load sensing, and remote pressure-compensated controls
- Low noise levels
- Unique design to increase reliability (no gasketed joints)
- High power auxiliary drives for multiple pump configurations
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An integrated
hydraulic package
is a combination
of pumps, valves,
filters, fittings,
plumbing, ports,
P.T.O.s etc.,
designed especially
to simplify
hydraulic system
installations.
Integrated
pumps can
be:
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Simple: |
a) A tandem gear
pump with special inlet adapter
b) A single gear pump with filter and external drive gear
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Intermediate: |
A tandem gear pump
with customized mounting, filter mount, relief valve and external
drive gear
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Complex: |
2 gear pumps and
1 piston pump with 3 filter mounts, 6 valves, custom mounting
flange, 24 ports, gear drive train, internal galleries replacing
plumbing, and a mount for third-party valve.
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| Cost-effective
system integration |
 Integrated
package pumps are ideal solutions for manufacturers of agricultural
and on-highway vehicles. Over the last 12 years, Sauer-Danfoss
has participated in many in-depth studies on the cost effectiveness
of system integration, and it has consistently been shown that
savings of 30% are absolutely realistic and achievable.
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Integrated
pump packages