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
Solenoid
Valves
Proportional
Valves
Coils &
Electronics
Bodies &
Cavities
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Dual P.O. Check Valve Package
Series PP04DP
CV35
Technical Information
Specifications
Description D04B2 - Check Valve
PP04DP - Pilot Piston
Rated Flow 135 LPM (36 GPM)
Maximum Inlet 420 Bar (6000 PSI)
Pressure
Pilot Ratio 3:1
Approx. Weight Aluminum Block Assembly
.65 kg (1.43 lbs.)
Steel Block Assembly
1.89 kg (4.17 lbs.)
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
General Description
Dual Pilot Operated Check Valve Package.
For additional information see Technical Tips
on pages CV1-CV4.
Features
•
Uses standard check valve cartridge with separate piston
to form a dual pilot operated check.
•
Cost effective
•
Low leakage
•
Leak free pilot pistons available - consult factory
•
All external parts zinc plated
Typical Application
(Cyl. 1)
(Cyl. 2)
(Valve 1) (Valve 2)
Cylinder 1
Valve 1
D04B2
Cylinder 2
Valve 2
D04B2
PP04DP
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
30
7.9
60
15.9
90
23.8
LPM
GPM
0
120
31.7
150
39.6
0
73
290 20
15
10
5
218
PSI Bar
145
Pressure Drop ( P)
Pilot Open
C to V
Free Flow
V to C
C2
V2
C1
V1
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
Dual P.O. Check Valve Package
Series PP04DP
CV36
Technical Information
Dimensions
Millimeters (Inches)
Ordering Information
Code Porting
765 Main: 1/2″ SAE
766 Main: 1/2″ BSP
Code Seals / Kit No.
N Nitrile, Buna-N / (SK30518N-1)
V Fluorocarbon / (SK30518V-1)
PP04DP
Dual P.O.
Check Valve
Package
Cracking
Pressure
Seals Body
Material
Porting
Code Body Material
A Aluminum
S Steel
Code Cracking Pressure
2.1 2.1 Bar (30 PSI)
3.4 3.4 Bar (50 PSI)
6.9 6.9 Bar (100 PSI)
10.0 10.0 Bar (145 PSI)
15.0 15.0 Bar (217 PSI)
=
Alum 31.75
(1.25)
Steel 38.10
(1.50)
=
94.50
(3.72)
56.75
(2.23)
C2
63.50
(2.50)
39.90
(1.51)
30.50
(1.20)
10.50
(0.41)
V1
C1
V2
37.75
(1.47)
75.75
(2.98)
114.30
(4.50)
PP04DP
D04B2
D04B2
2 mounting holes
for M10 bolts
Ø 10.50 through
(Ø 0.41)
19.00
(0.75)
