Page 26 - Parker - Proportional Valves

Catalog HY15-3502/US N.C. Proportional Flow Control Valve
Technical Information Series DF122C

CV
General Description
Normally Closed Proportional Flow Control Valve.
For additional information see Technical Tips
Valves
Check
SH on pages PV1-PV6.

Features
Shuttle
Valves
LM • On-off type solenoids
• Low hysteresis
• PWM signal preferred
• Manual override standard (2)
Load/Motor
Controls
FC • All external parts zinc plated
In
(1) (2)
Flow
Controls
PC
Out
(1)

Controls
Pressure
LE Specifications Performance Curves
Rated Flow 53 LPM (14 GPM) Pressure Drop vs. Flow @ 100% Control Current
Valve Fully Open PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
300 20.7
Elements
Logic
Maximum Inlet 210 Bar (3000 PSI)
DC Pressure 200 13.8
Hysteresis 4% Pressure Drop ( P)
@ 200 Hz PWM 100 6.9
Directional
Controls
Cracking 20% - 30% of Input Signal
MV (Dead band)
0
Frequency 100 - 400 Hz (200 Hz Preferred) LPM 0 19 38 57 76
GPM 5 10 15 20
Flow (Q)
Maximum Control 12 VDC 24VDC
Valves
Current 2.45A 1.23A Flow vs. Inlet Pressure @ 100% Control Current
Manual
SV GPM LPM Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Cartridge Material All parts steel. All operating 30 114
parts hardened steel.
Operating Temp. -40°C to +93.3°C (Nitrile) 20 76
Range/Seals (-40°F to +200°F)
Solenoid
Valves
PV -31.7°C to +121.1°C (Fluorocarbon) Flow (Q)
(-25°F to +250°F) 10 38
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities 0
Bar 69 138 207
Proportional
Valves
Viscosity of 45 to 2000 SSU (6 to 420 cSt) PSI 0 1000 2000 3000
CE Inlet Pressure
Filtration ISO Code 16/13,
SAE Class 4 or better Flow vs. Input Signal (Current)
GPM LPM Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Approx. Weight .32 kg (0.7 lbs.) 15 57
Electronics
Coils &
BC Cavity C12-2
(See BC Section for more details) 10 38
Form Tool Rougher None Flow (Q)
Finisher NFT12-2F 5 19
Cavities
Bodies &
TD
0
25 50 75 100
0
Percent of Maximum Control Current
Data
Technical
PV25 Parker Hannifin Corporation
Hydraulic Cartridge Systems