Page 40 - Parker - Load and Motor Control Valves
P. 40
Catalog HY15-3502/US Load Control Valve
Technical Information Series E6B040
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 (3)
Controls
Load/Motor
FC protection (1)
• Includes reverse check valve within body, saving space
and minimizing installation cost (3)
(2)
• Hardened working parts for maximum durability
• Adjustable and tamper resistant versions available (2) (1)
Flow
Controls
PC
• All external parts zinc plated
Controls
Pressure
LE
Logic
Elements
DC Specifications Performance Curves
Relief & Pilot Performance 1 to 2
Rated Flow 60 LPM (15.9 GPM)
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
5800 400
Pressure 50 - 350 Bar (725 - 5000 PSI)
Directional
Controls
MV RELIEF
Sensitivity: 92 Bar (1335 PSI) 4350 300
Pressure/Turn
Pilot Ratio 3 : 1 Pressure Drop Bar, PSI 2900 200
Valves
Manual
SV
Cartridge Material All parts steel. All operating
parts hardened steel. 1450 100 PILOT PRESSURE WITH
100 BAR LOAD
Valves
Operating Temp. -40°C to +93.3°C (Nitrile)
Solenoid
PV Range/Seals (-40°F to +200°F) 0
-31.7°C to +121.1°C (Fluorocarbon) LPM 0 10 20 30 40 50 60
7.9
(-25°F to +250°F) GPM 2.6 5.3 Flow (Q) 10.6 13.2 15.9
Pressure Drop vs Flow
Fluid Mineral-based or synthetic with
Valves
Proportional
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 0.33 kg (0.73 lbs.) PILOTED OPEN 1 to 2
& FREE FLOW 2 to 1
Cavity 68-1 73 5
(See BC Section for more details)
Cavities
Bodies &
TD 0
LPM 10 20 30 40 50 60
0
GPM 2.6 5.3 7.9 10.6 13.2 15.9
Flow (Q)
Technical
Data
LM39 Parker Hannifin Corporation
Hydraulic Cartridge Systems