Standard Valves Hydraulics Pressure Control/Relief Valves Pressure Ranges from Minimum to Maximum Pressure control valves limit the maximum amount of pressure in a complete or branch hydraulic circuit and provide pressure ranges from minimum to 365 psi (full range), and from minimum to 9,000 + psi. Defining the maximum system pressure achievable is the role of a relief valve. Even for circuits in which the pump may have an integral maximum pressure control, an independent relief valve provides additional redundancy. Rexroth relief valves define pressure ranges from "minimum" to "maximum;" we do not stack ranges as do competitors. Data Sheet (PDF) RE 25 402 RE 25 402-EVT Model DBD Pressure Relief Valve Hydraulic Application: Pressure relief valves, direct operated Key features: Sizes 6 to 30 For subplate mounting (“P”) For threaded connection (“G”) As cartridge valve (“K”) Type-tested safety valves in accordance with Pressure Equipment Directive 97/23/EC 3 optional adjustment types: Threaded pin with hexagon socket and protective cap Rotary knob / hand wheel Lockable rotary knob Download DBD Pressure Relief Valve Data Sheet Detailed Pressure Relief Setting Instructions Data Sheet (PDF) RE 25 751 (Size 6) RA 25 761 (Size 10) Model ZDB and Z2DB Pressure Relief Valve Hydraulic Application: Pressure relief valves in sandwich plate design, pilot operated Key features: Sizes 6 and 10 Porting pattern to DIN 24340 form A and ISO 4401 4 pressure stages: 50, 100, 200, 315 bar 5 pressure relief functions: A – T, P – T, B – T, A – T and B – T, A – B and B – A 4 optional adjustment types: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Download ZDB and Z2DB Pressure Relief Valve Data Sheets Pilot operated (Size 6) Pilot operated (Size 10) Data Sheet (PDF) RE 25 754 (Size 6) RA 25 764 (Size 10) Model ZDBK and Z2DBK Pressure Relief Valve Hydraulic Application: Pressure relief valves in sandwich plate design, pilot operated (210 bar frame size) Key features: Sizes 6 and 10 Porting pattern to DIN 24340 form A and ISO 4401 5 pressure relief functions: A – T, P – T, B – T, A – T and B – T, A – B and B – A 3 pressure stages: 50, 100, 210 bar Download ZDBK and Z2DBK Pressure Relief Valve Data Sheets Pilot operated (Size 6) Pilot operated (Size 10) Data Sheet (PDF) RE 25 731 (Size 6 & 10) RE 25 802 (Size 10 - 32) RA 25 818 (Size 10 & 25) Model DB, DBW Pressure Relief Valve Hydraulic Application: Pressure relief valves, pilot operated Key features: Sizes 6 to 30 For subplate mounting (“P”): Porting pattern to DIN 24340 form E and ISO 6264 For block installation (“C”) For threaded connection (“G”) For flanged connection (“F”) As cartridge valve (“K”) Solenoid operated unloading via built-on directional spool valve or directional poppet valve Switching shock damping, optional (type DBW. only) Type-tested safety valves in accordance with Pressure Equipment Directive 97/23/EC 4 optional adjustment types: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Download DB, DBW Pressure Relief Valve Data Sheets DB.K Series 4X (Size 6 and 10) DB.K Series 4X (Size 10 - 32) DB(W)...W65 Series 1X; 4XRA 25 818 (Size 10 and 25) Data Sheet (PDF) RA 26 076 (Size 6) RA 26 099 (Size 10) Model DZ.D Pressure Relief Valve Hydraulic Application: Pressure sequencing valves, direct operated Key features: Sizes 6 and 10 Porting pattern Size 6 to DIN 24340 form A and ISO 4401 Size 10 to DIN 24340 form D and ISO 5781 4 optional adjustment types: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Check valve, optional Download DZ.D Pressure Relief Valve Data Sheet Pressure sequence valve, direct operated (Size 6) Pressure sequence valve, direct operated (Size 10) Data Sheet (PDF) RA 26 391 Model DZ Pressure Relief Valve Hydraulic Application: Pressure sequencing valves, pilot operated Key features: Sizes 10, 25, 32 For subplate mounting (“P”): Porting pattern to DIN 24340 form D and ISO 5781 For block installation (“C”) Suitable for use as preload, sequencing and switchover valve 4 optional adjustment types: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Check valve, optional Download DZ Pressure Relief Valve Data Sheet Data Sheet (PDF) RA 26 570 (Size 6) RA 26 585 (Size 10) Model ZDR.D Pressure Relief Valve Hydraulic Application: Pressure reducing valves in sandwich plate design, direct operated Key features: Sizes 6 and 10 Porting pattern to DIN 24340 form A and ISO 4401 Pressure reduction in channel A, B or P 4 pressure stages: 25, 75, 150, 210 bar 4 optional adjustment types: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Check valve, optional Download ZDR.D Pressure Relief Valve Data Sheets Pressure reducing valve, direct operated, Type ZDR 6 D (Size 6) Pressure reducing valve, direct operated, Type ZDR 10 D (Size 10) Data Sheet (PDF) RA 26 564 (Size 6) RA 26 580 (Size 10) Model DR.DP Pressure Relief Valve Hydraulic Application: Pressure reducing valves, direct operated Key features: Sizes 6 and 10 Porting pattern Size 6 to DIN 24340 form A and ISO 4401 Size 10 to DIN 24340 form D and ISO 5781 5 pressure stages 4 optional adjustment types: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Check valve, optional Download DR.DP Pressure Relief Valve Data Sheets Pressure reducing valve, direct operated, Model DR 6 DP (Size 6) Pressure reducing valve, direct operated, DR 10 DP (Size 10) Data Sheet (PDF) RA 26 861 Model ZDR10V Pressure Relief Valve Hydraulic Application: Pressure reducing valves in sandwich plate design, pilot operated Key features: Size 10 Porting pattern to DIN 24340 form A and ISO 4401 Pressure reduction in channel A, B or P 4 pressure stages: 50, 100, 200, 315 bar 4 optional adjustment types: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Check valve, optional Download ZDR10V Pressure Relief Valve Data Sheet Data Sheet (PDF) RA 26 572 (Size 6) RA 26 864 (Size 10) Model DRK.V Pressure Relief Valve Hydraulic Application: Pressure reducing valves in sandwich plate design, pilot operated (210 bar frame size) Key features: Sizes 6 and 10 Porting pattern to DIN 24340 form A and ISO 4401 Pressure reduction in channel A, B or P (with size 6, P channel only) 3 pressure stages: 50, 100, 210 bar Pressure gauge connection Download DRK.V Pressure Relief Valve Data Sheets Pressure reducing valve, pilot operated, Type ZDRK 6 VP (Size 6) Pressure reducing valve, pilot operated, ZDRK 10 V (Size 10) Data Sheet (PDF) RA 26 850 (Size 10, 3X) RA 26 892 (Size 10-30, 5X) Model DR Pressure Relief Valve Hydraulic Application: Pressure reducing valves, pilot operated Key features: Sizes 10 to 30 For subplate mounting (“P”): Porting pattern to DIN 24340 form D and ISO 5781 For block installation (“C”) For threaded connection (“G”) As cartridge valve (“K”) 4 pressure stages 4 optional adjustment types: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Check valve, optional (with version “P” only) Download DR Pressure Relief Valve Data Sheet Pressure reducing valve, pilot operated, Type DR 10 K (Size 10, 3X) Pressure reducing valve, pilot operated, DR (Size 10-30, 5X) Data Sheet (PDF) RE 26 915 (Size 10) RE 26 928 (Size 16) Model 3DR Pressure reducing valve, pilot operated Key features: Sizes 10 & 16 Valve for reducing (P to A) and limiting (A to T) a system pressure For subplate mounting Porting pattern to ISO 4401-07-07-0-05 Subplates to data sheet RE 45056 (separate order) 4 pressure ratings 4 adjustment elements, optional: Rotary knob Sleeve with hexagon and protective cap Lockable rotary knob with scale Rotary knob with scale Download 3DR Pressure Reducing Valve Data Sheets Pressure reducing valve, pilot operated, Size 10, 6X) Pressure reducing valve, pilot operated, Size 16, 5X) For more information or to order brochures and catalogs, contact your nearest distributor.