MECHANICAL DIRECTIONAL CONTROLS
4484 Boeing Drive Rockford, IL 61109 • USA • Phone +1 (815) 397-6628 • Fax +1 (815) 397-2526
mail: delta@delta-power.com • www.delta-power.com
WARNING: the specications/application data shown in our catalogs and data sheets are intended only as a general guide for the product described (herein). Any specic application should not be undertaken
without independent study, evaluation, and testing for suitability.
W 51 / 12-2022
DE-CVS DIRECT ACTING CHECK VALVE, SOFT SEAT, POPPET
HYDRAULIC SYMBOL
PERFORMANCE VALVE SPECIFICATIONS
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series, soft seat check valve.
OPERATION
The DE-CVS allows ow to pass from (2) to (1) and blocks ow from (1) to (2). The cartridge has a fully guided
check poppet, which is spring-biased closed until sufcient pressure is applied at (2) to open to (1).
FEATURES
• Soft seat for ultra low leakage.
• Industry common cavity.
• Optional bias springs for backpressure application exibility.
Nominal Flow 10 GPM (38 LTR/N)
Rated Operating Pressure 1000 PSI (70 bar)
Typical Internal Leakage (150 SSU) Negligible
Viscosity Range 36 to 3000 SSU (3 to 647 cSt)
Filtration ISO 18/16/13
Media Operating Temp. Range -32° to 160°F (0° to 70°C)
Weight .14 lbs (.06 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 30 ft-lbs (40.6 Nm)
Cavity DELTA 2W
Cavity Form Tool (Finishing) 40500000
Seal Kit 21191200
Actual Test Data (Cartridge Only)
0
50
100
150
200
250
0 5 10 15 20
Pressure Drop (PSI)
0
5
10
15
Flow (GPM)
0 25 50 75
Pressure Drop (bar)
Flow (LPM)
Port 2 to 1
Drop-In pilot pistons are NOT RECOMMENDED
for this valve. If you would like to create P.O. Check
Valve Function, please use the CVA valve and/or
see the Hydraulic Integrated Circuits section for
details.
MECHANICAL DIRECTIONAL CONTROLS
4484 Boeing Drive Rockford, IL 61109 • USA • Phone +1 (815) 397-6628 • Fax +1 (815) 397-2526
mail: delta@delta-power.com • www.delta-power.com
WARNING: the specications/application data shown in our catalogs and data sheets are intended only as a general guide for the product described (herein). Any specic application should not be undertaken
without independent study, evaluation, and testing for suitability.
W 51 / 12-2022
DIMENSIONS
ORDERING INFORMATION
DE-CVS – – –
OPTIONS BODIES
Buna Standard 00 Blank Without Body
Viton Standard V0 N 3/8” NPTF Ports
S #8 SAE Ports
CRACK RESSURE
0010 10 PSI
± 15%
Body Weight: .47 lbs (.21 kg)
