Page 29 - Parker - Check Valves

Catalog HY15-3502/US Pilot Operated Check Valve
Technical Information Series D4A040

CV
General Description
Pilot to Open, Poppet Type Check Valve. For additional
information see Technical Tips on pages CV1-CV4. Check Valves
Features SH
• Hardened poppet for maximum durability
• High flow capacity Shuttle Valves
• Low leakage - less than 3 drops/min. (3)
• Sealed pilot LM
• Good contamination tolerance
• Cavity commonality with load control valves (2) Load/Motor Controls
• Dual line blocks available
• All external parts zinc plated FC
Performance Curve
(2) (1) (1)
Pressure Drop vs. Flow (Through cartridge only) Controls
(3) Flow
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
290 20
PC
P)
218 15 Free Flow Pressure Controls
Pressure Drop ( 145 10 5 2 to 1 Piloted Open Dimensions Millimeters (Inches) 17.50 LE

1 to 2
47.50
73
(2) (1.87) (3) (0.69) Logic Elements
0
LPM 10 20 30 40 50 60 DC
0
GPM 2.6 5.3 7.9 10.6 13.2 15.9
Flow (Q) (1) Directional Controls
Specifications
MV
Rated Flow 60 LPM (16 GPM) 1.125 AF Hex.
M24 x 1.5
54 Nm
Nominal Flow @ 32 LPM (8.5 GPM) (40 lb. ft.)
7 Bar (100 PSI) (Piloted Open) Torque Manual Valves
Maximum Inlet 420 Bar (6000 PSI)
Pressure SV
Ordering Information
Leakage at Less than 3 drops/min.
150 SSU (32 cSt) Solenoid Valves
D4A040
Cracking Pressure 3 Bar (43.5 PSI)
Check Seals PV
Pilot Ratio 4:1 Valve Order Bodies Separately
Cartridge Material Steel operating parts, Code Seals / Kit No. Proportional
hardened steel poppet. LB10 Valves
N Nitrile, Buna-N /
Operating Temp. -40°C to +93.3°C (Nitrile, Buna-N) (SK30059N-1) Line Body Porting Body CE
Range/Seals (-40°F to +200°F) V Fluorocarbon / Material
-31.7°C to +121.1°C (Fluorocarbon) (SK30059V-1)
(-25°F to +250°F) Code Porting Coils & Electronics
251 1/2″ BSP (Main)
Fluid Mineral-based or synthetic with 1/4″ BSP (Aux.)
Compatibility/ lubricating properties at viscosities 253 1/2″ SAE (Main) BC
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
1/4″ SAE (Aux.)
Filtration ISO code 16/13, 259 1/2″ BSP Dual Cavity Bodies & Cavities
SAE Class 4 or better 261 1/2″ SAE Dual Cavity
Approx. Weight .15 kg (.33 lbs.) TD
Code Body Material
Cavity 68-1 A Aluminum
(See BC Section for more details) S Steel Technical Data

CV28 Parker Hannifin Corporation
Hydraulic Cartridge Systems