Page 7 - Parker - Logic Elements

Catalog HY15-3502/US
Technical Tips Logic Elements

CV
FLOW CONTROL EXAMPLES
Pressure compensated Fixed or Variable Priority Pressure compensated restrictive Valves
priority flow control Flow Restrictor flow control example. Check
example.
Priority
Flow Outlet SH
Fixed or Variable
Dampening
Inlet Orifice Restrictor Shuttle
**SLC2A/R0*E3 **SLC3A/R0*E3 Valves
Logic Element
Logic Element
LM
Direction of Flow Direction of Flow
Load sensing priority flow control example Load sensing priority flow control example Load/Motor Controls
with pressure limiting and unloading. with pressure limiter.
Pump Variable Restrictor Load Directional
Priority Control Valve FC
Outlet
to Load
Fixed or Load
Pump Controls
Fixed Pilot Variable Service Flow
Restrictor Restrictors Lines
PC
**SLC2A/R0*E3
Logic Element Pilot
Directional
Valve Pressure Controls
Fixed Pilot Pilot
**SLC2A/R0*E3 Restrictor Sensing
Logic Element Checks
LE
Load
Pilot Sense
Relief Bleed
Pressure Limiter Elements
Pilot Relief Valve Valve Logic
DC
Direction of Flow Direction of Flow
Directional Controls

PRESSURE CONTROL EXAMPLES MV
Pressure relief or sequence example with Pressure relief or sequence example with
external pilot supply and pilot relief. internal pilot supply and pilot relief. Manual
Fixed Pilot Relief Pilot Relief Valves
Pilot Restrictor Valve Valve
Pressure SV
Source
Solenoid Valves

**SLC2A/R0*E3 **SLC2B/R0*F3
Logic Element Logic Element PV
Proportional Valves
Direction of Flow Direction of Flow
Pressure reducing example, non-relieving type. Pressure reducing-relieving example.
Pilot Relief CE
Valve Pilot Relief
Valve
**SLC2A Electronics
Logic Element Coils &

BC
Bodies & Cavities
System
**SLC3B/R0*G3
Logic Element **SLC3B/R0*G3 TD
Logic Element
Technical
Direction of Flow
Direction of Flow Data
LE6 Parker Hannifin Corporation
Hydraulic Cartridge Systems