Catalog HY15-3501/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
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Bodies &
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Solenoid
Valves
Check Valve
Series CVH121P
CV12
Technical Information
Specifications
Dimensions
Millimeters (Inches)
Rated Flow 121 LPM (32 GPM)
Maximum Inlet 350 Bar (5000 PSI)
Pressure
Leakage at 5 drops/min. (.33 cc/min.)
150 SSU (32 cSt) at 350 Bar (5000 PSI)
Cartridge Material All parts steel. All operating parts
hardened steel.
Operating Temp. -40°C to +93.3°C (Nitrile)
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 .14 kg (.30 lbs.)
Cavity C12-2
(See BC Section for more details)
Form Tool Rougher None
Finisher NFT12-2F
Ordering Information
Performance Curve
Pressure Drop vs. Flow (Through cartridge only)
In (1)
Out
(2)
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Pressure Drop ( P)
0
20
100 6.9
5.5
2.8
4.1
1.4
80
PSI Bar
40
60
Flow (Q)
61
16
30
8
LPM
GPM
0
91
24
121
32
1-1/4" Hex.
76 Nm
(56 lb. ft.)
Torque
9.0
(.35)
40.1
(1.58)
(1)
(2)
Ø 22.2
(.87)
1-1/16-12 UNF-2A
Thread
Out
(2)
In
(1)
Free Flow
General Description
Cartridge Style Check Valve. For additional information
see Technical Tips on pages CV1-CV4.
Features
•
Hardened, precision ground parts for durability
•
Fully guided poppet for smooth operation
•
All external parts zinc plated
*Add “A” for aluminum, omit for steel.
Code Port Size Body Part No.
Omit Cartridge Only
12P 3/4″ NPTF (B12-2-*12P)
8T SAE-8 (B12-2-*8T)
12T SAE-12 (B12-2-*12T)
12B 3/4″ BSPG (B12-2-*12B)
Code Seals / Kit No.
Omit Nitrile /
(SK12-2)
V Fluorocarbon /
(SK12-2V)
Code Cracking Pressure
Omit 1.7 Bar (25 PSI)
65 4.5 Bar (65 PSI)
CVH121P
12 Size
Check Valve
Cracking
Pressure
Seals Port
Size
Body
Material
Code Body Material
Omit Steel
A Aluminum
