Page 34 - Parker - Load and Motor Control Valves

Catalog HY15-3502/US Load Control Valve
Technical Information Series E6B020

CV
General Description
Threaded Cartridge Style Counterbalance Valve.
Pilot assisted, designed for motion control
Check
Valves
applications. For additional information see
SH
Technical Tips on pages LM1-LM4.
Features
Shuttle
• Spring chamber isolated from system backpressure by
Valves
LM
double seal, eliminating vent port leakage and need for
separate drain line
• Poppet construction for minimal leakage
• Incorporates direct acting relief valve for overload
Load/Motor
Controls
FC protection (1)
• Includes reverse check valve within body (3)
• Small and compact, can be fitted directly into cylinder (3)
• Adjustable and tamper resistant versions available (2) (2)
• All external parts zinc plated
Flow
Controls
PC
(1)
Controls
Pressure
LE

Logic
Elements
DC Specifications Performance Curves
Relief & Pilot Performance 1 to 2
Rated Flow 20 LPM (5.3 GPM)
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
5800 400
Pressure 50 - 420 Bar (725 - 6000 PSI)
Directional
Controls
MV RELIEF
Sensitivity: 84 Bar (1220 PSI) 4350 300
Pressure/Turn
Pilot Ratio 4.5 : 1 Pressure Drop Bar, PSI 2900 200
Valves
Manual
SV
Cartridge Material All parts steel. All operating
parts hardened steel. 1450 100
100 BAR LOAD
Solenoid
Operating Temp. -40°C to +93.3°C (Nitrile) PILOT PRESSURE WITH
Valves
PV Range/Seals (-40°F to +200°F) 0
-31.7°C to +121.1°C (Fluorocarbon) LPM 0 5 10 15 20
2.6
(-25°F to +250°F) GPM 1.3 Flow (Q) 4.0 5.3
Pressure Drop vs Flow
Fluid Mineral-based or synthetic with
Proportional
Valves
CE Compatibility/ lubricating properties at viscosities PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Viscosity of 45 to 2000 SSU (6 to 420 cSt) 290 20
Filtration ISO Code 16/13, 218 15
SAE Class 4 or better
Coils &
Electronics
BC PressurDrop Bar, PSI 145 10
Approx. Weight 0.08 kg (0.18 lbs.) FREE FLOW
Cavity 53-1 73 5 2 to 1
(See BC Section for more details) PILOTED OPEN
Cavities
Bodies &
1 to 2
TD 0
LPM 5 10 15 20
0
GPM 1.3 2.6 4.0 5.3
Flow (Q)
Data
Technical
LM33 Parker Hannifin Corporation
Hydraulic Cartridge Systems