Catalog HY15-3502/US
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
CV35
Pilot Piston Style Dual P.O. Check Valve
Series CDP103 / CDPH103Technical Information
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
General Description
Pilot Piston Style Dual Pilot Operated
Check Valve. For additional
information see Technical Tips
on pages CV1-CV4.
Features
•
Spherical poppet for low leakage
•
“D”-Ring eliminates back-up rings
•
Optional sealed pilot piston
Specifications
Maximum Flow 56 LPM (15 GPM)
Maximum Inlet 210 Bar (3000 PSI) - CDP103
Pressure 350 Bar (5000 PSI) - CDPH103
Leakage Across 2 drops/min. (.13 cc/min.)
Check
150 SSU (32 cSt)
Leakage Across 312 cc/min
Pilot Piston 0.3 LPM (.08 GPM)
(No Seals)
Pilot Ratio 4:1
Pilot Piston No Seal - 717917
Part Numbers Nitrile Seal - 717917N
Fluorocarbon Seal - 717917V
Cartridge Material All parts steel. All operating parts
hardened steel.
Body Material Aluminum - CDP103
Steel - CDPH103
Operating Temp. -45°C to +93.3°C (“D”-Ring)
Range (Ambient) (-50°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Filtration ISO code 16/13,
SAE Class 4 or better
Fluids Mineral-based or synthetic with
lubricating properties at viscosities
of 45 to 2000 SSU (6 to 420 cSt)
Approx. Weight
Cylinder A
Cylinder B
Valve A
CV1
CV2
Valve B
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
38
10
45
12
7.6
2
15
4
23
6
30
8
LPM
GPM
0
53
14
61
16
Free Flow
Piloted Open
0
20
100 6.9
5.5
2.8
4.1
1.4
80
PSI Bar
40
60
Pressure Drop ( P)
Pilot Piston
Cylinder Port BCylinder Port A
Body
CVH103P
Check Valve
(Typ. 2 Places)
Valve Port A
Valve Port B
Ø10.3 (Ø.41)
Mounting Hole (2 Places)
Catalog HY15-3502/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
Pilot Piston Style Dual P.O. Check Valve
Series CDP103 / CDPH103
CV36
Technical Information
Dimensions
Millimeters (Inches)
Ordering Information
Code Seals / Kit No.
Omit “D”-Ring / (SK10-2)
N Nitrile / (SK10-2N)
V Fluorocarbon /
(SK10-2V)
Code Cracking Pressure
*Omit 0.3 Bar (5 PSI)
20 1.4 Bar (20 PSI)
50 3.5 Bar (50 PSI)
65 4.5 Bar (65 PSI)
80 5.5 Bar (80 PSI)
100 6.9 Bar (100 PSI)
10 Size
Dual Pilot Piston
P.O. Check Valve
Cracking
Pressure
Seals
Port
Size
Piston
Type
Code Piston Type
P Pilot Piston without seal
A Pilot Piston with seal
Note: Requires 1.4 Bar
(20 PSI) crack minimum.
*Not available with “A” option.
CDP
Model
Description
Code Model Description
103 3000 PSI Series
H103 5000 PSI Series
Code Port Size Material
Omit Cartridge Only
A8T SAE-8 Aluminum
(CDP103 Only)
8T SAE-8 Steel
(CDPH103 Only)
31.8
(1.25)
VB
15.9
(.62)
VA
114.3
(4.50)
Ø10.3 (Ø.41)
Mounting Hole
(2 Places)
18.3
(.72)
94.5
(3.72)
63.5
(2.50)
0.8 Max
(.03)
39.7
(1.56)
37.3
(1.47)
CB
11.9
(.47)
75.4
(2.97)
57.2
(2.25)
VA
VB
CA
THIRD-ANGLE
PROJECTION
