Page 24 - Parker - Load and Motor Control Valves

Catalog HY15-3502/US Load Control Valve
Technical Information Series E2E1S, E2G1S, E2K1S, E2M1S

CV
General Description
Threaded Cartridge Style Counterbalance Valve. Semi-
Restrictive Ports 2 to 3. Pilot assisted, designed for
Valves
Check
motion control applications. For additional information
SH
see Technical Tips on pages LM1-LM4.
Features
Shuttle
Valves
• Poppet construction for minimal leakage
LM
• Incorporates direct acting relief valve for overload
protection
• Includes reverse check valve within body, saving space
and minimizing installation cost (3)
Controls
Load/Motor
FC • Fully sealed pilot for high efficiency and accurate pilot (1)
ratio
• Four pilot ratios available, 1.5:1, 2.3:1, 3:1 and 4.5:1 (3)
• Hardened working parts for maximum durability (2) (2)
• All external parts zinc plated
Flow
Controls
PC
(1)
Controls
Pressure
LE

Specifications
Elements
Logic
DC Performance Curves
Rated Flow Free flow 60 LPM (16 GPM) Relief & Pilot Performance 1 to 2
Piloted open flow 45 LPM (12 GPM)
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
5800 400
Pressure 40 - 350 Bar (580 - 5000 PSI)
Controls
Directional
MV RELIEF
Sensitivity: 104 Bar (1508 PSI) 4350 300
Pressure/Turn
Manual
Valves
Pilot Ratio E2E1S - 1.5 : 1 Pressure Drop Bar, PSI 2900 200
SV E2G1S - 2.3 : 1 PILOT PRESSURE WITH E2E1S
E2K1S - 3 : 1 100 BAR LOAD E2G1S
E2M1S - 4.5 : 1 1450 100 E2K1S
E2M1S
Cartridge Material All parts steel. All operating
Solenoid
Valves
PV parts hardened steel. 0
LPM 10 20 30 40 50 60
0
GPM 2.6 5.3 7.9 10.6 13.2 15.9
Operating Temp. -40°C to +93.3°C (Nitrile) Flow (Q)
Range/Seals (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon) Pressure Drop vs Flow
Valves
Proportional
CE (-25°F to +250°F) PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
290 20
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities 218 15
Viscosity of 45 to 2000 SSU (6 to 420 cSt) PILOTED OPEN 1 to 2
Electronics
Coils &
BC PressurDrop Bar, PSI 145 10 FREE FLOW 2 to 1
Filtration ISO Code 16/13,
SAE Class 4 or better 73 5
Approx. Weight 0.17 kg (0.37 lbs.)
Bodies &
Cavities
TD 0
LPM 10 20 30 40 50 60
Cavity CAVT11A 0
(See BC Section for more details) GPM 2.6 5.3 7.9 10.6 13.2 15.9
Flow (Q)
Data
Technical
LM23 Parker Hannifin Corporation
Hydraulic Cartridge Systems