LE17
Catalog HY15-3501/US
Spool Type Logic Valve
Series R08E3
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Solenoid
Valves
Proportional
Valves
Coils &
Electronics
Bodies &
Cavities
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Technical Information
Specifications
Rated Flow 500 LPM (132 GPM)
Nominal Flow @ 340 LPM (90 GPM)
7 Bar (100 PSI)
Maximum Inlet 420 Bar (6000 PSI)
Pressure
Leakage @ 90 ml/min.
150 SSU (32 cst) @ 100 Bar (1450 PSI)
Switching Press. See ordering information
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -40°C to +93.3°C (Nitrile)
Range/Seals (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO Code 16/13,
SAE Class 4 or better
Approx. Weight .69 kg (1.52 lbs.)
Cavity C20-3S
(See BC Section for more details)
Form Tool Rougher NFT20-3SR
Finisher NFT20-3SF
General Description
Spool Type , Normally Closed, Pilot to Close Logic
Element. For additional information see Technical Tips
on pages LE1-LE6.
Features
•
High flow capacity
•
Can be used as high flow switching or metering element
•
Can be used as bleed off style pressure compensated
flow regulator when used with restrictor
•
Various switching pressures available
•
1:1 pilot pressure ratio
•
Hardened working parts for maximum durability
•
All external parts zinc plated
Performance Curve (Through cartridge only)
Vented Open Pressure Drop vs. Flow 1 to 2
(1)
(3)
(2)
(1)
(2)
(3)
Ordering Information
20 Size
Logic Element
R08E3
Switching
Pressure
Dimensions
Millimeters (Inches)
Seals
Code Switching Pressure
Non Adjustable Preset
5.5 5.5 Bar (80 PSI) Std.
10.0 10.0 Bar (145 PSI)
15.0 15.0 Bar (218 PSI)
20.0 20.0 Bar (290 PSI)
Code Seals / Kit. No.
N Nitrile, Buna-N (Std.)/
(SK30512N-1)
V Fluorocarbon /
(SK30512V-1)
If no switching pressure is specified,
valve will be supplied as R06E3-5.5N
74.9
(2.95)
1-5/8" - 12 UNF
Thread
26.1
(1.03)
50 AF Hex.
150 Nm (110 lb. ft.)
Torque
SPOT FACE DATUM
(1)
(2)
(3)
Flow (Q)
200
52.8
100
26.4
LPM
GPM
0
500
132.1
300
79.3
400
105.7
0
73
290 20
15
10
5
218
PSI Bar
145
Pressure Drop
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
R08E3-5.0
R08E3-10.0
R08E3-15.0
