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
Check Valve
Series CVH081P
CV9
Technical Information
Specifications
Dimensions
Millimeters (Inches)
Rated Flow 38 LPM (10 GPM)
Maximum Inlet 350 Bar (5000 PSI)
Pressure
Leakage at 2 drops/min. (.13 cc/min.)
150 SSU (32 cSt) at 350 Bar (5000 PSI)
Cartridge Material All parts steel. All operating parts
hardened steel.
Operating Temp. -45°C to +93.3°C (“D” Ring)
Range/Seals (-50°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 .10 kg (0.2 lbs.)
Cavity C08-2
(See BC Section for more details)
Form Tool Rougher None
Finisher NFT08-2F
Ordering Information
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
General Description
Cartridge Style Check Valve. For additional information
see Technical Tips on pages CV1-CV4.
Features
Spherical poppet for low leakage
“D”-Ring eliminates back-up rings
Dual sense paths for reduced P
All external parts zinc plated
CVH081P
08 Size
Check Valve
Cracking
Pressure
Seals Port
Size
Body
Material
* Add “A” for aluminum, omit for steel.
Code Port Size Body Part No.
Omit Cartridge Only
4P 1/4 NPTF (B08-2-*4P)
6P 3/8 NPTF (B08-2-*6P)
4T SAE-4 (B08-2-*4T)
6T SAE-6 (B08-2-*6T)
6B 3/8 BSPG (B08-2-*6B)
Code Cracking Pressure
Omit 0.3 Bar (5 PSI)
10 0.7 Bar (10 PSI)
30 2.1 Bar (30 PSI)
65 4.5 Bar (65 PSI)
100 6.9 Bar (100 PSI)
150 10.4 Bar (150 PSI)
Code Body Material
Omit Steel
A Aluminum
Code Seals / Kit No.
Omit “D”-Ring / (SK08-2)
N Nitrile / (SK08-2N)
V Fluorocarbon /
(SK08-2V)
Out
(2)
In
(1)
Free Flow
Outlet
(2)
Inlet (1)
Out
(2)
In
(1)
26.9
(1.06)
38.4
(1.51)
11.5
(.45)
7/8" Hex.
43-49 Nm
(32-36 lb. ft.)
Torque
Ø 12.6
(.50)
3/4-16 UNF-2A
Thread
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
22.7
6
7.6
2
15.1
4
LPM
GPM
0
30.3
8
37.9
10
0
20
100 6.9
5.5
2.8
4.1
1.4
80
PSI Bar
40
60
Pressure Drop ( P)
30 PSI Spring
5 PSI Spring