Rexroth DB
3444 Products
Find all configurations available for Rexroth DB product series Pressure Relief Valve DB, Pressure relief valve. Find the right part filtering by Series, Size, Pilot Valve, Symbol, Nominal size, Type of Connection, Flow State, Connection type, Adjustment type, Main Spool, Adjustment type for pressure setting, Component Series, Main Piston, Pressure rating, Special version, Pilot Oil Supply and Pilot Oil Return, Pressure Range, Pilot oil supply and return, Switch Shock Damping, Manual override, Directional valve, Electrical voltages, Auxiliary actuation device, Electrical connection, Equipment Directive and Installation position.
DB Type Codes
| Series | Catalog Number Format | Description |
|---|---|---|
| DB | DB- - -5X- - -K4 | Pressure Relief Valve DB |
| DB | DB- - - - - -K4 | Pressure relief valve |
| DB | DB-52- - - -3X- -U- -K4 | Pressure Relief Valve DB |
| DB | DB- -1-5X- -XC-V | Pressure relief valve |
| 01 | Series |
|---|---|
| DB | Pressure Relief Valve DB |
| 02 | Directional Valve |
| Without directional valve | |
| W | With mounted directional valve |
| 03 | Pilot Valve |
| Pilot operated valve (complete) | |
| C | Pilot valve with main piston insert (enter nominal size 10 or 30) |
| T | Pilot valve without main piston insert for plate mounting (do not enter nominal size) |
| 04 | Nominal Size |
| 10 | Threaded connection 'G' (G1/2) |
| 15 | Threaded connection 'G' (G3/4) |
| 20 | Threaded connection 'G' (G1) |
| 25 | Threaded connection 'G' (G1 1/4) |
| 30 | Threaded connection 'G' (G1 1/2) |
| 05 | Flow State |
| A | Normally closed |
| B | Normally open |
| . | Normally open or closed |
| Normally open or closed | |
| 06 | Connection Type |
| Plate mounting or cartridge valve | |
| G | Threaded connection |
| 07 | Adjustment Type for Pressure Setting |
| 1 | Rotary knob (not for 'C' and 'T' versions) |
| 2 | Sleeve with hexagon and protective cap |
| 3 | Lockable rotary knob with scale |
| 7 | Rotary knob with scale |
| 08 | Main Piston |
| Main piston Ø24 mm (all nominal sizes) | |
| - | Main piston Ø24 mm (all nominal sizes) |
| N | Main piston Ø28 mm (only NG32) |
| 09 | Device Series |
| 5X | Device series 50 … 59 (50 … 59: unchanged installation and connection dimensions) |
| 10 | Pressure Range |
| 50 | Set pressure up to 50 bar |
| 100 | Set pressure up to 100 bar |
| 200 | Set pressure up to 200 bar |
| 315 | Set pressure up to 315 bar |
| 350 | Set pressure up to 350 bar |
| ... | ... |
| 11 | Pilot Oil Supply and Return |
| Pilot oil supply and return internal |
| - | Pilot oil supply and return internal |
| X | Pilot oil supply external, pilot oil return internal |
| Y | Pilot oil supply internal, pilot oil return external |
| XY | Pilot oil supply and return external |
| 12 | Standard Version |
|---|---|
| Standard version | |
| U | Valve for minimal opening pressure (not for version without main piston insert and not suitable for mutual spray-off) |
| 13 | Switch Shock Damping |
| Without switch shock damping | |
| S | With switch shock damping (only 'DBW' version) |
| 14 | Directional Valve |
| Without directional valve | |
| 6E | With directional spool valve (data sheet 23178) |
| 6SM | With directional seat valve (data sheet 22058) |
| 15 | Electrical voltages |
| G24 | Direct current 24 V |
| G... | Direct current 24 V |
| W230 | Alternating current 230 V 50/60 Hz |
| W... | W... |
| 16 | Auxiliary Actuation Device |
| N9 | With concealed auxiliary actuation device (standard) |
| N | With auxiliary actuation device |
| Without auxiliary actuation device | |
| 17 | Electrical Connection |
| K4 | Without cable socket; device connector DIN EN 175301-803 |
| 18 | Nozzle Diameter |
| R12 | Nozzle Ø 1.2 mm in channel B of the directional spool valve ('6E' version) |
| B12 | Nozzle Ø 1.2 mm in channel P of the directional seat valve ('6SM' version) |
| None | |
| 19 | Corrosion Resistance |
| None | |
| J3 | Improved corrosion protection (240 h salt spray test according to EN ISO 9227) |
| 20 | Seal Material |
| NBR seals | |
| V | FKM seals |
| 21 | Device Directive |
| Without type examination | |
| E | Type-tested safety valve according to Pressure Equipment Directive 2014/68/EU |
| 22 | Standard Version |
| Standard version | |
| UR | Solenoid is an approved component with UR marking according to UL 906 |
| 01 | Series |
|---|---|
| DB | Pressure relief valve |
| 02 | Directional valve |
| Without directional valve | |
| W | With attached directional valve |
| 03 | Size |
| 10 | Size 10 Subplate mounting or Threaded connection (G1 1/2) |
| 15 | Size 25 Threaded connection (G3/4) |
| 20 | Size 25 Subplate mounting Threaded connection (G1) Screw-in cartridge valve (K) |
| 04 | Symbol |
| A | Normally closed |
| B | Normally open |
| Normally open or closed | |
| 05 | Type of connection |
| – | Subplate mounting |
| Subplate mounting | |
| G | Threaded connection |
| K | Screw-in cartridge valve |
| 06 | Adjustment type |
| 1 | Rotary knob |
| 2 | Sleeve with hexagon and protective cap |
| 3 | Lockable rotary knob with scale |
| 7 | Rotary knob with scale |
| 07 | Component series |
| 1X | 10 … 19 (unchanged installation and connection dimensions, only for K version) |
| 4X | 40 … 49 (unchanged installation and connection dimensions, for versions '–' and 'G') |
| 08 | Pressure rating |
| 50 | Set pressure up to 50 bar |
| 100 | Set pressure up to 100 bar |
| 200 | Set pressure up to 200 bar |
| 315 | Set pressure up to 315 bar |
| 350 | Set pressure up to 350 bar (only version 'DB') |
| ... | ... |
| 09 | Pilot oil supply and return |
| – | Internal pilot oil supply and return |
| Internal pilot oil supply and return | |
| X | External pilot oil supply, internal pilot oil return |
| Y | Internal pilot oil supply, external pilot oil return |
| XY | External pilot oil supply and return |
| 10 | Special version |
|---|---|
| Standard version | |
| U | Valve for minimum cracking pressure |
| 11 | Directional valve |
| Without directional valve | |
| 6E | With directional spool valve (data sheet 23178) |
| 12 | Electrical voltages |
| G24 | Direct voltage 24 V |
| W230 | Alternating voltage 230 V 50/60 Hz |
| G... | G... |
| W... | W... |
| 13 | Manual override |
| N9 | With concealed manual override (standard) |
| N | With manual override |
| Without manual override | |
| 14 | Corrosion resistance |
| None | |
| J5 | High corrosion protection (720 h salt spray test according to EN ISO 9227, only versions 'K' and '2') |
| 15 | Electrical connection |
| K4 | Without mating connector; connector DIN EN 175301-803 |
| 16 | Seal material |
| NBR seals | |
| V | FKM seals |
| 17 | Installation position |
| W65 | Vertical installation position (only version '–' and 'G') |
| Any installation position (only version 'K') | |
| 18 | Type-examination procedure |
| Without type-examination procedure | |
| E | Safety valve according to Pressure Equipment Directive 2014/68/EU (version 'K' only) |
| 01 | Series |
|---|---|
| DB | Pressure Relief Valve DB |
| 02 | Directional Valve |
| Without directional valve | |
| W | With mounted directional valve |
| 03 | Nominal Size |
| 52 | Size 52 |
| 04 | Flow State |
| A | A |
| B | B |
| 05 | Connection Type |
| P | Subplate mounting |
| F | Flange connection |
| 06 | Adjustment Type for Pressure Setting |
| 1 | Rotary knob |
| 2 | Sleeve with hexagon and protective cap |
| 3 | Lockable rotary knob |
| 07 | Main Spool |
| Seat version | |
| - | Seat version |
| 08 | Component Series |
| 3X | Component series 30 … 39 (30 … 39: unchanged installation and connection dimensions) |
| 09 | Pressure rating |
| 100 | Set pressure up to 100 bar |
| 315 | Set pressure up to 315 bar |
| ... | ... |
| 10 | Pilot oil supply and pilot oil return |
| Internal pilot oil supply and pilot oil return | |
| X | External pilot oil supply, internal pilot oil return |
| Y | Internal pilot oil supply, external pilot oil return |
| XY | External pilot oil supply and pilot oil return |
| 11 | Valve |
|---|---|
| U | Valve for minimum cracking pressure 3 bar |
| 12 | Directional Valve |
| Without directional valve | |
| 6E | With directional spool valve (data sheet 23178) |
| 13 | Electrical voltages |
| G24 | Direct current 24 V |
| W230 | Alternating current 230 V 50/60 Hz |
| G... | G... |
| W... | W... |
| 14 | Manual override |
| N9 | With concealed manual override |
| N | With manual override |
| Without manual override | |
| 15 | Electrical Connection |
| K4 | Without cable socket; device connector DIN EN 175301-803 |
| 16 | Seal Material |
| NBR seals | |
| V | FKM seals |
| 17 | Equipment Directive |
| Without type examination | |
| E | Type-tested safety valve according to Pressure Equipment Directive 2014/68/EU |
| 01 | Series |
|---|---|
| DB | Pressure relief valve |
| 02 | Size |
| 10 | Size 10 |
| 20 | Size 25 |
| 30 | Size 32 |
| 03 | Type of Connection |
| Subplate mounting | |
| G | Threaded connection |
| 04 | Adjustment Type for Pressure Adjustment |
| 1 | Rotary knob |
| 05 | Main Spool |
| Ø24 mm (NG10 and 25) | |
| N | Ø28 mm (only NG32) |
| 06 | Component Series |
| 5X | Series 50 … 59 (unchanged installation and connection dimensions) |
| 07 | Pressure Rating |
| 50 | Set pressure up to 50 bar |
| 100 | Set pressure up to 100 bar |
| 200 | Set pressure up to 200 bar |
| 315 | Set pressure up to 315 bar |
| 350 | Set pressure up to 350 bar |
| 08 | Pilot Oil Supply and Pilot Oil Return |
|---|---|
| Internal pilot oil supply and pilot oil return | |
| X | External pilot oil supply, internal pilot oil return |
| Y | Internal pilot oil supply, external pilot oil return |
| XY | External pilot oil supply and pilot oil return |
| 09 | Standard Version |
| Standard version | |
| U | Valve for minimum cracking pressure (only up to pressure rating '315') |
| 10 | Explosion Protection |
| XC | “Structural safety” |
| 11 | Seal Material |
| V | FKM seals |