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
DE-RWP PILOT OPERATED RELIEF VALVE
HYDRAULIC SYMBOL
PERFORMANCE VALVE SPECIFICATIONS
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series, pilot operated relief valve.
OPERATION
The DE-RWP blocks ow from (2) to (1) until sufcient pressure is present at (2) to force the pilot stage open,
allowing the main stage to shift, opening (2) to (1).
FEATURES
• Hardened parts for long life.
• Industry common cavity.
Nominal Flow 15 GPM (57 LPM)
Rated Operating Pressure 4000 PSI (276 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 .53 lbs (.24 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
500
1000
1500
2000
2500
0
3000
5 10 15 20
Pressure Drop (PSI)
0
50
100
150
Flow (GPM)
200
0 25 50 75
Flow (LPM)
Pressure Drop (bar)
Port 2 to 1 Port 2 to 1
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
DIMENSIONS
ORDERING INFORMATION
DE-RWP – – –
Body Weight: .47 lbs (.21 kg)
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, Internal Adjust 0I
Viton, Internal Adjust VI
Buna, Tamper Proof 0T PRESSURE RANGE/SETTING
Viton, Tamper Proof VT 4000 1000 - 4000 PSI
Tamper Proof
Fill in 4 Digit Pressure Setting
Example: 0500 - 500 PSI
