Page 30 - Parker - Check Valves

Catalog HY15-3502/US Pilot Operated Check Valve
Technical Information Series D3B125

CV
General Description
Pilot to Open, Poppet Type Check Valve. For additional
information see Technical Tips on pages CV1-CV4.
Valves
Check
SH
Features
• Hardened poppet for maximum durability
• High flow capacity (3)
• Low leakage - less than 3 drops/min.
Shuttle
Valves
LM (2) (1)
• Sealed pilot
• Good contamination tolerance (3)
• Cavity commonality with load control valves (2)
• Dual line blocks available
Load/Motor
Controls
FC • All external parts zinc plated
Performance Curve (1)
Pressure Drop vs. Flow (Through cartridge only)
Controls
Flow
PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
PC 290 20
P)
218 15
Pressure Drop ( Free Flow Piloted Open 65.00 8.00
Pressure
Controls
LE 145 10 Dimensions Millimeters (Inches)
2 to 1
1 to 2
5
73
Elements
Logic
(2) (2.56) (3) (0.31)
DC 0
LPM 40 80 120 160
0
GPM 10.6 21.1 31.7 42.3
Flow (Q) (1)
Specifications
Directional
Controls
MV
Rated Flow 150 LPM (40 GPM)
1-3/16" - 12 UNF 35 AF Hex.
Nominal Flow @ 80 LPM (21 GPM) 85 Nm
(63 lb. ft.)
7 Bar (100 PSI) (Piloted Open) Torque
Manual
Valves
Maximum Inlet 420 Bar (6000 PSI)
SV
Pressure
Ordering Information
Leakage at Less than 3 drops/min.
150 SSU (32 cSt)
D3B125
Solenoid
Valves
Cracking Pressure 2 Bar (30 PSI)
PV Check Seals
Pilot Ratio 4:1 Valve Order Bodies Separately
Cartridge Material Steel operating parts, Code Seals / Kit No.
hardened steel poppet. LB10
N Nitrile, Buna-N /
Valves
Proportional
CE Operating Temp. -40°C to +93.3°C (Nitrile, Buna-N) (SK30008N-1) Line Body Porting Body
Range/Seals (-40°F to +200°F) V Fluorocarbon / Material
-31.7°C to +121.1°C (Fluorocarbon) (SK30008V-1)
(-25°F to +250°F) Code Porting
039 3/4″ BSP (Main)
Fluid Mineral-based or synthetic with 1/4″ BSP (Aux.)
Electronics
Coils &
BC Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt) 069 1″ SAE (Main)
1/4″ SAE (Aux.)
Filtration ISO code 16/13, 034 3/4″ BSP Dual Cavity
SAE Class 4 or better 234 3/4″ SAE Dual Cavity
Cavities
Bodies &
TD Approx. Weight .24 kg (.528 lbs.)
Code Body Material
Cavity 3C A Aluminum
(See BC Section for more details) S Steel
Data
Technical
CV29 Parker Hannifin Corporation
Hydraulic Cartridge Systems