MECHANICAL FLOW 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-NVA ADJUSTABLE FLOW CONTROL VALVE, NEEDLE TYPE, FINE ADJUST
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series ne adjust needle ow control valve.
OPERATION
The DE-NVA adjusts from fully open to fully closed by turning adjusting screw counterclockwise. When adjusted
open the valve allows ow (1) to (2) and (2) to (1). When fully closed the valve blocks ow from (1) to (2) and (2)
to (1).
FEATURES
• Hardened parts for long life.
• Industry common cavity.
DENVA00
0
50
100
150
200
250
300
350
400
0
450
5 10 15 20
Pressure Drop (PSI)
0
5
10
15
20
Flow (GPM)
25
30
0 5 10 15 20 25 30 35 40 45 50 55 60 7065
Pressure Drop (bar)
Flow (LPM)
Port 1 to 2 (valve fully open)
VALVE SPECIFICATIONS
Nominal Flow 10 GPM (38 LPM)
Rated Operating Pressure 3500 PSI (241 bar)
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 .19 lbs (.09 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 21191202
PERFORMANCE
Actual Test Data (Cartridge Only)
HYDRAULIC SYMBOL
1
2
MECHANICAL FLOW 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-NVA – –
OPTIONS BODIES
Buna Standard 00 Blank Without Body
Viton Standard V0 N 3/8” NPTF Ports
Buna, Knob 0K S #8 SAE Ports
Viton, Knob VK
Buna, Screen A0
Viton, Screen W0
Buna, Screen, Knob AK
Viton, Screen, Knob WK
Note: use screen only if ow
direction is from (1) to (2).
Body Weight: .47 lbs (.21 kg)
0
50
100
150
200
0 5 10 15 20 25 30 35 40
Flow (GPM)
0
5
10
0 25 50 75 100 125 150
Pressure Drop (PSI)
Flow (LPM)
Pressure Drop (bar)
Port 1 to 2 (valve fully open)
