Delta Power Company - Power-Hydraulik

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PRESSURE CONTROLS Delta Power Company 4484 Boeing Drive - Rockford, IL 61109 DE-RVD Differential Area Relief Valve HYDRAULIC SYMBOL DESCRIPTION 10 size, 7/8-14 thread, “Delta” series, differential area relief valve OPERATION The DE-RVD blocks flow from (1) to (2) until sufficient pressure is present at (1) to force the poppet to open and allow metered flow from (1) to (2). The cartridge offers smooth transition in response to load changes in common hydraulic circuits. FEATURES • Hardened parts for long life. • Industry common cavity. Low PSI/turn adjustment. Good pressure vs. flow characteristic. PERFORMANCE Actual Test Data (Cartridge Only) VALVE SPECIFICATIONS Flow (LPM) Nominal Flow 15 GPM (57 LPM) 0 5 10 15 20 25 30 35 40 45 50 55 60 Rated Operating Pressure 4000 PSI (276 bar) 2000 Viscosity Range 36 to 3000 SSU (3 to 647 cSt) 1500 100 Filtration Media Operating ISO 18/16/13 -40° to 250° F (-40° to 120° C) Pressure Drop (PSI) Pressure Drop (PSI) 1000 500 0 0 0 2 4 6 8 10 12 14 16 3000 2500 2000 1500 1000 500 Flow (GPM) Port 1 to 2 P ort 1 to 2 Flow (LPM) 0 5 10 15 20 25 30 35 40 45 50 55 60 4500 4000 300 3500 250 0 0 0 2 4 6 8 10 12 14 16 Flow (GPM) Port 1 to 2 Port 1 to 2 50 200 150 100 50 Pressure Drop (BAR) Pressure Drop (BAR) Temperature Range Weight .57 lbs. (.26 kg) Operating Fluid Media General Purpose Hydraulic Fluid Cartridge Torque 30 ft-lbs (40.6 Nm) Requirements Cavity DELTA 2W Cavity Form Tool (Finishing) 40500000 Seal Kit 21191200 WARNING: The specifications/application data shown in our catalogs and data sheets are intended only as a general guide for the product described (herein). Any specific application should not be undertaken without independent study, evaluation, and testing for suitability. Phone: (815) 397-6628 Fax: (815) 397-2526 E-mail: delta@delta-power.com Page 316
PRESSURE CONTROLS Delta Power Company 4484 Boeing Drive - Rockford, IL 61109 DIMENSIONS ORDERING INFORMATION DE-RVD - - - OPTIONS BODIES Buna Standard 00 Blank Without Body Viton Standard V0 N 3/8 NPTF Ports Buna, Screen A0 S #8 SAE Ports Viton, Screen W0 Buna, Knob 0K Viton, Knob VK PRESSURE RANGE/SETTING Buna, Knob, Screen AK 0200 50 – 200 PSI Viton, Knob, Screen WK 1500 200 – 1500 PSI Note: Use screen only if flow direction is from (1) to (2). 3000 1500 – 3000 PSI 4000 2500 – 4000 PSI WARNING: The specifications/application data shown in our catalogs and data sheets are intended only as a general guide for the product described (herein). Any specific application should not be undertaken without independent study, evaluation, and testing for suitability. Phone: (815) 397-6628 Fax: (815) 397-2526 E-mail: delta@delta-power.com Page 317
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Delta Power Company - Power-Hydraulik

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