Danfoss ECO80LS EVB-HPCO Data sheet
Data Sheet
ECO80LS EVB-HPCO
ECO80LS High Pressure Carry Over
ECO80LS EVB-HPCO (High Pressure Carry Over) is
module designed to deliver excess pump flow
downstream of the ECO80LS valve to other open
center valves
Features
•
Full pressure and flow available to
downstream open center valve while
ECO80LS valve sections are not in use.
•
Enables the standard EVP inlet “T” port
to function as “HPCO” port.
•
Includes “T” port for ECO80LS return
flow to reservoir
•
Includes pilot pressure supply
eliminating the need for EVP inlet pilot
supply.
•
Includes adjustable LS relief valve
controlling max working pressure to
ECO80LS valve.
•
Include fixed shock valve facility (PVLP)
for pressure peak protection to
downstream open center valve.
Benefits
•
Manages all open center (fixed) pump
flow while adding priority to ECO80LS
functions
•
Reduces the number of pumps and
plumbing connections to multiple open
center valves
Comprehensive technical literature is
online at www.danfoss.com
©
Danfoss | February 2020 AI333571519484en-000101 | 1
LS
HPCO
P
M
T
B
A
B
A
Lx
B
A
999
260 bar
280 bar
Data Sheet
ECO80 EVB-HPCO
EVB-HPCO, basic module hyudraulic schematic
ECO80LS EVB-HPCO
Part numbers for EVB-HPCO Basic Modules
Part numbers T – thread port
11226551 7/8-14 UNF
11226582 G 1/2
Technical data
Pump Pressure Maximum 280 bar [4061 psi]
Tank pressure Static 25 bar [363 psi]
Dynamic 40 bar [580 psi]
Pilot Pressure Maximum 28 bar [406 psi]
Pump Flow Maximum 100 l/min [26.4 US gal/min]
Oil temperature Recommended 30 → 60 °C [86 → 140 °F]
Minimum -30 °C [-22 °F]
Maximum 90 °C [194 °F]
Ambient temperature Minimum -30 °C [-22 °F]
Maximum 60 °C [140 °F]
Oil viscosity Operating range 12 - 75 mm2/s [65 to 347 SUS]
Minimum viscosity 4 mm2/s [39 SUS]
Maximum viscosity 460 mm2/s [2128 SUS]
Oil cleanliness 23/19/16 (according to ISO 4406)
EVB-HPCO, stack valve hydraulic schematic
2 | © Danfoss | February 2020 AI333571519484en-000101
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