MECHANICAL PRESSURE 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
DF-PWE SEQUENCE VALVE, NORMALLY CLOSED, EXTERNAL PILOT
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series, external pilot normally closed, sequence valve.
OPERATION
The DF-PWE blocks ow at ports (2) and (1). On attainment of a predetermined pressure at (3) the valve shifts
to a allow ow from (1) to (2).
FEATURES
• Hardened parts for long life.
• Optional spring ranges to 1500 PSI (103 bar).
• Industry common Cavity.
VALVE SPECIFICATIONS
Nominal Flow 10 GPM (38 LTR/M)
Rated Operating Pressure 3000 PSI (207 bar)
Typical Internal Leakage (150 SSU) 5 cu in/min (82 ml/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 .57 lbs (.26 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 30 ft-lbs (40.6 Nm)
Cavity DELTA 3W
Cavity Form Tool (Finishing) 40500001
Seal Kit 21191206
0
50
100
150
200
0 2 4 6 8 10 12 14
Flow (GPM)
Pressure Drop (PSI)
0
5
10
0 5 10 15 20 25 30 35 40 45 50
Flow (LPM)
Port 1 to 2
Pressure Drop (bar)
HYDRAULIC SYMBOL
PERFORMANCE
Actual Test Data (Cartridge Only)
Orice .030 to .060 diameter recommended
beneath port (3).