Page 13 - Parker - Check Valves

Catalog HY15-3502/US Check Valve
Technical Information Series CVH121P

CV
General Description
Cartridge Style Check Valve. For additional information Check Valves
see Technical Tips on pages CV1-CV4.
SH

Features Shuttle Valves
• Hardened, precision ground parts for durability
• Fully guided poppet for smooth operation LM
• All external parts zinc plated
Out Load/Motor Controls
(2)
Performance Curve FC
Pressure Drop vs. Flow (Through cartridge only) In Out
(1) (2) In (1)
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt) Flow Controls
100 6.9
Free Flow PC
P) 80 5.5
Pressure
Pressure Drop ( 60 4.1 Dimensions Millimeters (Inches) LE Controls

40
2.8
20 1.4
Ø 22.2 40.1 9.0 Logic Elements
0 (.87) (1.58) (.35)
LPM 30 61 91 121
0 DC
GPM 8 16 24 32 (2)
Flow (Q)
Directional
(1) Controls
MV
Specifications 1-1/16-12 UNF-2A 1-1/4" Hex.
Thread 76 Nm
(56 lb. ft.) Manual Valves
Rated Flow 121 LPM (32 GPM) Torque
Maximum Inlet 350 Bar (5000 PSI) SV
Pressure
Leakage at 5 drops/min. (.33 cc/min.) Ordering Information Solenoid Valves
150 SSU (32 cSt) at 350 Bar (5000 PSI)
Cartridge Material All parts steel. All operating parts CVH121P PV
hardened steel.
12 Size Cracking Seals Body Port
Operating Temp. -40°C to +93.3°C (Nitrile) Check Valve Pressure Material Size Proportional
Range/Seals (-40°F to +200°F) Valves
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F) CE
Fluid Mineral-based or synthetic with Code Cracking Pressure Code Body Material
Compatibility/ lubricating properties at viscosities Omit 1.7 Bar (25 PSI) Omit Steel Coils & Electronics
Viscosity of 45 to 2000 SSU (6 to 420 cSt) 65 4.5 Bar (65 PSI) A Aluminum
Filtration ISO code 16/13, BC
SAE Class 4 or better Code Seals / Kit No. Code Port Size Body Part No.
Approx. Weight .14 kg (.30 lbs.) Omit Nitrile / Omit Cartridge Only Bodies & Cavities
(SK12-2) 12P 3/4″ NPTF (B12-2-*12P)
Cavity C12-2 V Fluorocarbon / 8T SAE-8 (B12-2-*8T)
(See BC Section for more details) (SK12-2V) 12T SAE-12 (B12-2-*12T) TD
Form Tool Rougher None 12B 3/4″ BSPG (B12-2-*12B)
Finisher NFT12-2F *Add “A” for aluminum, omit for steel. Technical Data

CV12 Parker Hannifin Corporation
Hydraulic Cartridge Systems