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
Thermal Check Valve
Series D04F2
CV39
Technical Information
Specifications
Dimensions
Millimeters (Inches)
Rated Flow 130 LPM (40 GPM)
Nominal Flow @ 72 LPM (19 GPM)
7 Bar (100 PSI)
Maximum Inlet 420 Bar (6000 PSI)
Pressure
Leakage at Less than 3 drops/min.
150 SSU (32 cSt)
Cartridge Material All parts steel. All operating parts
hardened steel.
Operating Temp. -40°C to +93.3°C (Nitrile, Buna-N)
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 .13 kg (.29 lbs.)
Cavity C10-2
(See BC Section for more details)
Ordering Information
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
General Description
Poppet Type Check Valve with Relief Feature.
For additional information see Technical Tips
on pages CV1-CV4.
Features
Poppet type for minimal leakage - less than 3 drops/min.
Relief feature to give thermal and shock relief protection
Compact space saving design
Hardened working parts for maximum durability
Single and dual pilot pistons available to create pilot to
open check
Good contamination tolerance
All external parts zinc plated
Code Seals / Kit No.
N Nitrile, Buna-N /
(SK30503N-1)
V Fluorocarbon /
(SK30503V-1)
D04F2
Check
Valve
Cracking
Pressure
(Check)
Seals
Code Cracking Pressure
(Check)
2.5 2.5 Bar (36 PSI)
7.0 7.0 Bar (102 PSI)
Cracking
Pressure
(Relief)
Code Cracking Pressure
(Relief)
35 35 Bar (507 PSI)
245 245 Bar (3553 PSI)
276 276 Bar (4000 PSI)
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
30
7.9
60
15.9
LPM
GPM
0
90
23.7
120
31.7
0
73
290 20
15
10
5
218
PSI Bar
145
Pressure Drop ( P)
1 to 2
Check Performance
(1)
(2)
(1)
(2)
22.10
(0.87)
max
31.8
(1.25)
26 AF Hex.
50 Nm
(37 lb. ft.)
Torque
7/8" - 14 UNF
(1)
(2)
Port
Size
Body
Material
Code Port Size Body Part No.
Omit Cartridge Only
4P 1/4 NPTF (B10-2-*4P)
6P 3/8 NPTF (B10-2-*6P)
8P 1/2 NPTF (B10-2-*8P)
6T SAE-6 (B10-2-*6T)
T6T SAE-6 (B10-2-T6T)†
8T SAE-8 (B10-2-*8T)
T8T SAE-8 (B10-2-T8T)†
6B 3/8 BSPG (B10-2-6B)†
Code Body Material
Omit Steel
A Aluminum
* Add “A” for aluminum,omit for steel.
Steel body only.