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
MA-CVA DIRECT ACTING CHECK VALVE, POPPET
HYDRAULIC SYMBOL
PERFORMANCE VALVE SPECIFICATIONS
DESCRIPTION
7 size, 5/8-18 thread, “Mini” series, direct acting check valve.
OPERATION
The MA-CVA allows ow passage from (2) to (1), while normally blocking oil ow from (1) to (2). The cartridge
has a fully guided poppet, which is spring-biased closed, until sufcient pressure is applied at (2) to open to (1).
FEATURES
• Hardened parts for long life and low leakage.
• Optional bias springs for backpressure application exibility.
• Fully guided poppet.
• Industry common cavity.
Nominal Flow 5 GPM (19 LPM)
Rated Operating Pressure 3500 PSI (241 bar)
Typical Internal Leakage (150 SSU) 0-5 drops/min
Viscosity Range 36 to 3000 SSU (3 to 647 cSt)
Filtration ISO 18/16/13
Media Operating Temp. Range -40° to 250°F (-40° to 120°C)
Weight .08 lbs (.03 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 15 ft-lbs (20.3 Nm)
Cavity MINI 2W
Cavity Form Tool (Finishing) 40500003
Seal Kit 21191000
Actual Test Data (Cartridge Only)
0
50
100
150
200
250
0
300
2 4 6 8
Pressure Drop (PSI)
0
5
Flow (GPM)
10
15
20
0 5 10 2015 25 30
Pressure Drop (bar)
Flow (LPM)
Port 2 to 1
1
2
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
MA-CVA – – –
OPTIONS BODIES
Buna Standard 00 Blank Without Body
Viton Standard V0 N 1/4” NPTF Ports
S #6 SAE Ports
CRACK RESSURE
0005 5 PSI
0020 20 PSI
± 10%
Body Weight: .29 lbs (.13 kg)
