LE9
Catalog HY15-3501/US
Poppet Type Logic Valve
Series 20SLC1-A
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
Specifications
Technical Information
Rated Flow 303 LPM (80 GPM)
Maximum Inlet 240 Bar (3500 PSI)
Pressure
Leakage @ Port 1 to 2
150 SSU (32 cst) 5 drops/min. (.33 cc/min.)
@ 240 Bar (3500 PSI)
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -45°C to +93.3°C (Polyurethane)
Range/Seals (-50°F to +200°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 .81 kg (1.78 lbs.)
Cavity C20-3S
(See BC Section for more details)
Form Tool Rougher NFT20-3SR
Finisher NFT20-3SF
General Description
Poppet Type, Bi-Directional , Normally Closed, Pilot to
Close Logic Element. For additional information see
Technical Tips on pages LE1-LE6.
Features
Hardened, precision ground parts for durability
Polyurethane seals only
No backup rings
Low leakage design
All external parts zinc plated
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
Ordering Information
20 Size
Logic Element
20SLC1
Poppet
Bi-Directional
Bias
Spring
A
Code Bias Spring
25 1.7 Bar (25 PSI)
50 3.5 Bar (50 PSI)
75 5.2 Bar (75 PSI)
100 6.9 Bar (100 PSI)
150 10.3 Bar (150 PSI)
Dimensions
Millimeters (Inches)
Seal Kit
WRK-20-3S
(1)
(2)
(3)
(1)
(3)
(2)
(1)
(2)
(3)
1-7/8" Hex.
113 Nm
(83 lb. ft.)
Torque
1 5/8-12 UN-2A
Thread
76.2
(3.00)
14.2
(0.56)
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
151
40
76
20
LPM
GPM
0
227
60
303
80
0
20
100 6.9
4.1
5.5
2.8
1.4
60
80
PSI Bar
40
Pressure Drop ( P)