LM9
Catalog HY15-3501/US
Counterbalance Valve
Series MHC-022
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Solenoid
Valves
Proportional
Valves
Coils &
Electronics
Bodies &
Cavities
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Specifications
Technical Information
Rated Flow 93.75 LPM (25 GPM)
Maximum 350 Bar (5000 PSI)
Inlet Pressure
Leakage at 5 drops/min. (.33 cc/min.) @
150 SSU (32 cSt) 80% of thermal crack pressure
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -40°C to +93.3°C (Nitrile)
Range/Seals (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO Code 16/13,
SAE Class 4 or better
Approx. Weight .44 kg (1.0 lbs.)
Cavity CDD-1036
(See BC Section for more details)
Form Tool FR-501
General Description
Threaded Cartridge Style Counterbalance Valve.
For additional information see Technical Tips
on pages LM1-LM5.
Features
•
Conical Poppet design provides longer metering stroke
for stable operation
•
Hardened seat provides reliable load holding
•
External vent option available for high back pressure
applications
•
Tamper resistant cap for added safety and security
•
Various pilot ratios available for application flexibility
•
Unique cavity prevents other valves from being
“accidentally” installed
•
All external parts zinc plated
Construction
Performance Curve
Flow vs. Pressure Drop (Through cartridge only)
Single
Non-
Vented
Work Port
Pilot
Port
Valve Port
Dual
Non-
Vented
CC
V
V
Pilot
Cylinder
Port
Valve
Port
MHC-022-S*N*
Non-Vented
Counterbalance
Non-Adjustable
MHC-022-V*N* Vented Counterbalance Non-Adjustable
Pilot
Cylinder Port
External Vent
Valve Port
Pilot
Cylinder Port
Valve Port
MHC-022-S*S* Non-Vented Counterbalance Adjustable
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
200
800 55.2
27.6
41.4
13.8
Pressure Drop
400
600
PSI Bar
Flow (Q)
75.7
20
37.9
10
LPM
GPM
0
113.6
30
151.4
40
Free Flow
Controlled Flow
LM10
Counterbalance Valve
Series MHC-022
Catalog HY15-3501/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Proportional
Valves
Coils &
Electronics
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Bodies &
Cavities
Solenoid
Valves
Ordering Information
Pilot
Ratio
Vent
Type
Nominal
Flow Rating
Holding
Pressure
Body
Type
Design
Code Vent Type
S Standard (non-vented)
V Vented
Code Nominal Flow Rating
022 93.75 LPM (25 GPM)
Code Pilot Ratio
A Equal Area (1:1)
C 5:1 (Standard)
J 10:1
Code Holding Pressure
C Equal Area
34.5 Bar (500 PSI) Crack
E 103.4 Bar (1500 PSI)
Shim adjustable version only
H 210 Bar (3000 PSI)
Standard version
J 240 Bar (3500 PSI)
K 350 Bar (5000 PSI)
10:1 only
MHC
Counterbalance
Cartridge Valve
Ports Seals
Code Seals / Kits
B Nitrile / 712226
F Fluorocarbon / TBD
Code Body Type Part Number
Omit No Body
A Single MHC-022-A-53
D Dual MHC-022-D-53
Code Ports
00 No Ports
52 SAE-8 through port
53 SAE-10 through port
Code Design
S Standard with
tamper resistant
cap (adjustable)
N Shimmed
(non-adjustable)
THIRD-ANGLE
PROJECTION
022
Technical Information
35.1
(1.38)
MHC-022-S*N*
39.8
(1.57)
57.5
(2.26)
57.5
(2.26)
68.6
(2.70)
35.1
(1.38)
MHC-022-V*N*
MHC-022-S*S*
57.5
(2.26)
79.1
(3.11)
35.1
(1.38)
Dimensions
Millimeters (Inches)
Torque Values
8-9 Nm (6-7 lb. ft.)
Typical for all
