Catalog HY15-3501/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
Valves
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Miniature Ball Type Check Valve
Series D0WB2
CV7
Technical Information
Specifications
Dimensions
Millimeters (Inches)
Rated Flow 6 LPM (1.6 GPM)
Nominal Flow @ 3.5 LPM (0.9 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 Steel operating parts,
hardened steel ball.
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 .012 kg (.026 lbs.)
Cavity CAV0W-2
(See BC Section for more details)
Ordering Information
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
General Description
Miniature Ball Type Check Valve. For additional
information see Technical Tips on pages CV1-CV4.
Features
•
Low leakage - less than 3 drops/min.
•
Ball type construction for cost effective design
•
Extremely compact
•
Good contamination tolerance
•
All external parts zinc plated
Code Porting
795 1/4″ SAE
796 1/4″ BSP
Code Seals / Kit No.
N Nitrile, Buna-N /
(SK30519N-1)
V Fluorocarbon /
(SK30519V-1)
Code Cracking Pressure
0.3 0.3 Bar (4 PSI)
D0WB2
Check Valve Cracking
Pressure
Seals
Body
Material
Porting
Code Body Material
A Aluminum
S Steel
Line Body
LB10
Order Bodies Separately
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
1
0.26
2
0.53
3
0.79
4
1.06
LPM
GPM
0
5
1.32
6
1.59
0
73
290 20
15
10
5
218
PSI Bar
145
Pressure Drop ( P)
D0WB2-0.3
(2)(1)
Free Flow
(1) In
(2)
Out
2.3
(0.09)
24.0
(0.94)
9/16" AF Hex
10 Nm (7 lb. ft.)
Torque
7/16" - 20 UNF
(1)
In
(2) Out
