Compression
Control
Hybrid Valve
Tech Note
Compression Control Hybrid Valve
Tech Note
Revisions
HISTORY OF REVISIONS
Table of Revisions
Date Page Changed Rev.
May 2007 - First edition AA
© 2007 Sauer-Danfoss. All rights reserved.
Sauer-Danfoss accepts no responsibility for possible errors in catalogs, brochures and other printed material.
Sauer-Danfoss reserves the right to alter its products without prior notice. This also applies to products
already ordered provided that such alterations aren’t in conflict with agreed specifications. All trademarks in
this material are properties of their respective owners. Sauer-Danfoss and the Sauer-Danfoss logotype are
trademarks of the Sauer-Danfoss Group.
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11022635 • Revision AA • May 2007
Compression Control Hybrid Valve
Tech Note
Contents
GENERAL DESCRIPTION
SYSTEM DESIGN
PARAMETERS
TECHNICAL
SPECIFICATIONS
MODEL CODE
INSTALLATION
DRAWINGS
Overview ...........................................................................................................................................................4
Typical applications .......................................................................................................................................4
Standard features ...........................................................................................................................................4
Fluids ...................................................................................................................................................................5
Filtration.............................................................................................................................................................5
Base stock and additives ........................................................................................................................ 5
Viscosity........................................................................................................................................................ 5
For more information ..............................................................................................................................5
Return line filtration .................................................................................................................................5
Cleanliness...................................................................................................................................................5
Specifications ...................................................................................................................................................6
Typical performance .....................................................................................................................................6
HIC inlet or outlet ........................................................................................................................................... 7
Truck Schematic ..............................................................................................................................................7
Max load telescopic section .......................................................................................................................8
Dimensions Inlet Hybrid Valve - 11027345 ...........................................................................................9
Dimensions Outlet Hybrid Valve - 11027346 .....................................................................................10
SCHEMATICS
Compression Control Hybrid Valve Schematics ................................................................................11
11022635 • Revision AA • May 2007
3
Compression Control Hybrid Valve
Tech Note
General Description
OVERVIEW The Sauer-Danfoss directional control valves are designed to give customer flexibility
over a broad range of flow and pressure capabilities. Actuator options include a range
of levers, cable actuators, hydraulic and pneumatic pilot controls, two-axis joysticks,
and electrohydraulic solenoids. Flow rates range from 0 to 100 l/min [26 US gal/min].
Configurations include compact mono-block and flexible modular styles..
The Compression Control Hybrid Valve is designed to improve the operation of rear
loader garbage trucks. It increases the packing ratio, adds more payload capacity and
moves the load to provide better weight distribution.
COMPRESSION CONTROL
HYBRID VALVE
TYPICAL APPLICATIONS
STANDARD FEATURES • PO check valve that provides flow and pressure to open the telescopic cylinder when
• Rear loader garbage trucks
the tailgate is closed
• Pressure compensator valve to avoid the garbage spring effect during the packing
stroke of the telescopic cylinder
• Flexible HIC designs to adapt to vehicle architecture
• Higher capacity with constant refuse density
For more information regarding spool types, actuation options, cabling and electrical
options, spool centering and detent options and auxiliary valves, refer to Sauer-Danfoss
publication Directional Control Valves Technical Information, 520L0564.
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11022635 • Revision AA • May 2007
Compression Control Hybrid Valve
Tech Note
System Design Parameters
FLUIDS Hydraulic fluid performs three basic functions in a hydraulic system: It transfers energy,
lubricates moving components, and transports heat and contaminants out of the system.
Base stock and additives
Sauer-Danfoss valves are designed to operate with mineral-based fluids containing
oxidation, rust, and foam inhibitors, compatible with fluoroelastomer seals. Consult your
fluid supplier for information on seal compatibility.
Viscosity
Viscosity is the most important property of a hydraulic fluid. It is a measurement of how
the fluid resists flow. Low viscosity fluids increase internal leakage; high viscosity fluids
increase pressure drop through the valve. Use a fluid that meets the viscosity limits
published in this catalog. For specific requirements, see technical data in each section.
Temperature
Temperature affects a fluid’s viscosity. Higher temperature fluid has lower viscosity.
Operating at excessive temperatures may have other detrimental effects on your
hydraulic fluid. Design your hydraulic system to operate within the specified temperature
range. Specific requirements are published in each section.
For more information
For more information on hydraulic fluid selection refer to Sauer-Danfoss publication
Hydraulic Fluids and Lubricants Technical Information, 520L0463.
FILTRATION Effective filtration is critical to a hydraulic system’s performance and working life. Employ
system filtration capable of meeting the published requirements in each valve section.
Be aware that other components in the system may have more stringent requirements.
Design your filtration system to satisfy the requirements of the most sensitive
component.
Return line filtration
Return line filtration is generally adequate for Sauer-Danfoss valves. We recommend a
10 micron nominal (20 micron absolute) or finer filter. Insure the filter in your system is
properly sized and maintained. To facilitate proper filter maintenance, use a pressure
gauge or other indicator to signal when it is necessary to change the filter. Never
allow filter to reach its bypass condition. Follow the filter manufacturer’s maintenance
recommendations.
Cleanliness
Hydraulic system contamination must not exceed the limits published for each valve.
Limits are specified per ISO 4406 (1999). When measuring system contamination,
calibrate test equipment in accordance with the ACFTD method.
For more information
For more information on system filtration, refer to Sauer-Danfoss publication Design
Guidelines for hydraulic fluid cleanliness, 520L0467.
11022635 • Revision AA • May 2007
5
Compression Control Hybrid Valve
Pressure Drop (Inlet Port - Work Ports)
10 20 30 40 50 60 70 80 90 100
[2.64] [5.28] [7.93] [10.57] [13.21] [15.85] [18.49] [21.14] [23.78] [26.42]
Flow (liter/minute)
Flow [gallon/minute]
Pressure (bar) [PSI]
(P-B1)
(P-A1)
(P-A2)
P-A1 Telescopic Cylinder
P-B1 Telescopic Cylinder
P-A2 Rear Cover Cylinder
P106 551E
0
1
2
3
4
5
6
7
8
9
10
11
12
0 [0]
1 [14.5]
2 [29]
3 [43.5]
4 [58]
5 [72.5]
6 [87]
7 [101.5]
8 [116]
9 [130.5]
10 [145]
11 [159.5]
12 [174]
13 [188.5]
Pressure Drop (Inlet Port - Work Ports)
P-A2
P-B2
P-A1
P-B2 Telescopic Cylinder
P-A2 Telescopic Cylinder
P-A1 Rear Cover Cylinder
P106 552E
Pressure (bar) [PSI]
0 [0]
1 [14.5]
2 [29]
3 [43.5]
4 [58]
5 [72.5]
6 [87]
7 [101.5]
8 [116]
9 [130.5]
10 [145]
11 [159.5]
12 [174]
10
20
30
40 50
60
70
80
90
100
[2.64]
[5.28]
[7.93]
[10.57] [13.21]
[15.85]
[18.49]
[21.14]
[23.78]
[26.42]
Flow (liter/minute)
Flow [gallon/minute]
Tech Note
Technical Specifications
SPECIFICATIONS
TYPICAL PERFORMANCE
Based on oil temperature
of 45°–50°C [113°–122° F].
Viscosity 32 mm²/sec
(cSt) [151 SUS]. CDS
spool leakage (standard)
at 70 bar [1015 psi],
50°C [122°F], ISO VG46:
10 cm³/min [0.61 in³/min]
Maximum flow (CDS 100) 100 l/min [26.4 US gal/min]
Work pressure 210 bar [3050 psi]
Maximum pressure 250 bar [3625 psi]
Maximum pressure (outlet section) 40 bar [580 psi]
Temperature range -40º to 80º C [-40 to 176º F]
Recommended fluid type Mineral based hydraulic oil
Recommended viscosity 26-55 mm²/sec (cSt) [123-255 SUS]
Minimum fluid cleanliness (per ISO 4406) 19/16
Pressure drop (P-A1, P-B1, P-A2) HIC inlet
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11022635 • Revision AA • May 2007
Pressure drop (P-B2, P-A2, P-A1) HIC outlet
Compression Control Hybrid Valve
VDP06/NC
2
3
1
ATM
M
M
Gear
pump
P106 558E
Max load valve
M
Inlet
Oil tank
Blade
cylinder
Tailgate
Tailgate cylinder
Garbage container
Slide cylinder
Ejector panel
Telescopic ejector cylinder
Power
beyond
Tank
AA
B
A
B
Rear valve
Inlet
A
A
B
B
Tank
Tech Note
Model Code
HIC INLET OR OUTLET
Ports
BSP (M10 mounting threads)
Metric (ISO 6149 and M10 mounting threads)
SAE ORB (3/8 English threads)
Main relief setting*
Unloader
12 VDC
24 VDC
PC/LS Unloader
12 VDC
24 VDC
External pilot (matches port type selected)
Sequence valve pressure
ML 100
PC/LS Fixed Pump ML only
X X X
X X X
X X X
140/48 140/48
X
X
X
X
X X X
# # #
* Default setting if not specified
TRUCK SCHEMATIC
11022635 • Revision AA • May 2007
7
Compression Control Hybrid Valve
Tech Note
Model Code
MAX LOAD TELESCOPIC
SECTION
Max Load Telescopic Section
Parallel
4W/3P
Actuation
Description
EH On/Off
Manual
Pneumatic
Etc.
Actuation side
Description
Handle, A side
Handle, B side
Etc.
Spring center
Inlet covers order code (example)
M100 1
A * * A * * *
Port threads, Type and Size
Description
SAE
Metric (ISO 6149)
BSP
A side auxiliary valves
Description
Anti-cavitation
Relief plus anti-cavitation
Plug
Special safety check valve
B side auxiliary valves
Description
Anti-cavitation
Relief plus anti-cavitation
Plug
Special safety check valve
For information regarding Work Section model codes, refer to pages 39-40 in SauerDanfoss publication Directional Control Valves Technical Information, 520L0564.
8
11022635 • Revision AA • May 2007
142.50
[5.610]
SAE #12
1 1/16 12-UN
Side inlet
123.00
[4.843]
SAE #12
1 1/16 12-UN
Top inlet port
(optional gage port)
SAE #4
7/16 20-UNF
Gage port
Sequence valve
SAE #10
7/8 14-UNF
Work port
SAE #12
1 1/16 12-UN
Power beyond
30.50
[1.201]
144.00
[5.669]
M10x1.5(2x)
127.00
[5.000]
Dimensions mm [in]
P106 550E
Compression Control Hybrid Valve
Tech Note
Installation Drawings
DIMENSIONS INLET
HYBRID VALVE - 11027345
11022635 • Revision AA • May 2007
9
DIMENSIONS OUTLET
142.50
[5.610]
123.00
[4.843]
SAE #12
1 1/16 12-UN
Tank
SAE #4
7/16 20-UNF
Gage port
Sequence valve
SAE #10
7/8 14-UNF
Work ports
30.50
[1.201]
144.00
[5.669]
127.00
[5.000]
Dimensions mm [in]
P106 553E
SAE #12
1 1/16 12-UN
Top Inlet Port
SAE #12
1 1/16 12-UN
Power Beyond
M10 x 1.5 (2)
SAE #12
1 1/16 12-UN
Side inlet
HYBRID VALVE - 11027346
Compression Control Hybrid Valve
Tech Note
Installation Drawings
10
11022635 • Revision AA • May 2007
COMPRESSION CONTROL
PB
P
Gage port
External port
M
A
B
B
External pilot
T
ATMS
Inlet
Telescopic cylinder
Rear cover cylinder
Outlet
P106 549E
P106 554E
PB
P
M
A
B
B
T
ATMS
Inlet
Telescopic cylinder
Rear cover cylinder
Outlet
A
M
HYBRID VALVE SCHEMATICS
HIC Inlet Valve - 11027345
Compression Control Hybrid Valve
Tech Note
Schematics
HIC Outlet Valve - 11027346
11022635 • Revision AA • May 2007
11
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11022635 • Revision AA • May 2007
Sauer-Danfoss (US) Company
2800 East 13th Street
Ames, IA 50010, USA
Phone: +1 515 239-6000
Fax: +1 515 239-6618
Sauer-Danfoss GmbH & Co. OHG
Postfach 2460, D-24531 Neumünster
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Phone: +45 7488 4444
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