REXROTH LFA
4253 Products
Discover all the available configurations for the REXROTH LFA product series Control cover LFA, Control cover. Find the right product by filtering with Series, Size, Type, Control cover types, Adjustment type, Component Series, Pressure stages (DB max), Spool design (for area ratio see section on page 4, for symbols see right side), Pressure stage in bar for nominal size, Max. settable sequencing pressure in bar, Cracking pressure, Pilot Oil Supply, Pressure stages (DB1), Valve poppet, Pressure stages (DB2), Spool position monitoring, Seal Material and Connections, mounting and plug screws.
LFA Type Codes
| Series | Catalog Number Format | Description |
|---|---|---|
| LFA | LFA- - - | Control cover LFA |
| LFA | LFA- - - - | Control cover LFA |
| LFA | LFA- - - -7X- | Control cover LFA |
| LFA | LFA- - - -7X- | Control cover LFA |
| LFA | LFA- - - -C- - - | Control cover |
Typecode for Catalog Number LFA,
LFA- - -
| 001 | Series |
|---|---|
| LFA | Control cover LFA |
| 002 | Size |
| 16 | Size 16 |
| 25 | Size 25 |
| 32 | Size 32 |
| 40 | Size 40 |
| 50 | Size 50 |
| 63 | Size 63 |
| 80 | Size 80 |
| 100 | Size 100 |
| 125 | Size 125 |
| 160 | Size 160 |
| 003 | Control cover types |
| D | Control cover with remote control port (NG16 … 160) |
| H1 | Control cover with stroke limitation (hand wheel) and remote control port (NG16 ... 63) |
| H2 | Control cover with stroke limitation (internal hexagon) and remote control port (NG16 ... 160) |
| H3 | Control cover with stroke limitation (rotary knob, lockable) and remote control port (NG16 ... 40) |
| H4 | Control cover with stroke limitation (rotary knob) and remote control port (NG16 ... 100) |
| G | Control cover with integrated shuttle valve (NG16 ... 100) |
| R | Control cover with integrated pilot operated pilot control valve (directional seat valve) (NG25 ... 100) |
| RF | Control cover with integrated pilot operated pilot control valve (directional seat valve) (NG25 ... 100) |
| WEA | Control cover for set-up of a directional valve (NG16 ... 160) |
| WEB | Control cover for set-up of a directional valve (NG16 ... 160) |
| WEMA | Control cover for set-up of a directional valve; additional control port (NG16 ... 125) |
| WEMB | Control cover for set-up of a directional valve; additional control port (preferably 'WEMA') (NG16 ... 100) |
| WECA | Control cover for set-up of a directional valve (check valve circuit) (NG16 ... 100) |
| GWA | Control cover with shuttle valve and for set-up of a directional valve (NG16 ... 100) |
| GWB | Control cover with shuttle valve and for set-up of a directional valve (preferably 'GWA') (NG16 ... 100) |
| GWMA | Control cover with shuttle valve and for set-up of a directional valve; additional control port (NG16 ... 100) |
| GWMA20 | Control cover with two check valves and for set-up of a directional valve; additional control port (NG16 ... 100) |
| KWA | Control cover with shuttle valve and for set-up of a directional valve (check valve circuit) (NG16 ... 100) |
| KWB | Control cover with shuttle valve and for set-up of a directional valve (check valve circuit) (NG16 ... 100) |
| KWMA | Control cover with shuttle valve and for set-up of a directional valve; additional control port (NG16 ... 100) |
| HWMA | Control cover for set-up of a directional valve with stroke limitation (NG16 … 63) |
| HWMB | Control cover for set-up of a directional valve with stroke limitation (NG16 … 63) |
| 004 | Component series |
|---|---|
| 7X | Component series 70 ... 79 (70 ... 79: unchanged installation and connection dimensions) (NG16 … 63) |
| 6X | Component series 60 ... 69 (60 ... 69: unchanged installation and connection dimensions) (NG80 … 100) |
| 2X | Component series 20 ... 29 (20 ... 29: unchanged installation and connection dimensions) (NG125 … 160) |
| 005 | Remote control port |
| 006 | Orifice characteristic curves |
| 007 | Orifice characteristic curves 2 |
| 008 | Orifice characteristic curves 3 |
| 009 | Orifice characteristic curves 4 |
| 010 | Orifice characteristic curves 5 |
| 011 | Orifice characteristic curves 6 |
| 012 | Orifice characteristic curves 7 |
| 013 | Corrosion resistance |
| None | |
| J3 | Improved corrosion protection (240 h salt spray test according to EN ISO 9227) |
| 014 | Seal material |
| NBR seals | |
| V | FKM seals |
| 015 | Connections, mounting and plug screws |
| Mounting screws, metric; connections inch thread | |
| 12 | Mounting screws UNC; connections UNF |
Typecode for Catalog Number LFA,
LFA- - - -
| 001 | Series |
|---|---|
| LFA | Control cover LFA |
| 002 | Size |
| 16 | Size 16 |
| 25 | Size 25 |
| 32 | Size 32 |
| 40 | Size 40 |
| 50 | Size 50 |
| 63 | Size 63 |
| 80 | Size 80 |
| 100 | Size 100 |
| 003 | Type |
| DB | DB |
| DBW | DBW |
| DBS | DBS |
| DBWD | DBWD |
| DBU2A | DBU2A |
| DBU2B | DBU2B |
| DBU3D | DBU3D |
| DBE | DBE |
| DBEM | DBEM |
| 004 | Adjustment type |
| 1 | Rotary knob |
| 2 | Hexagon with protective cap |
| 3 | Lockable rotary knob with scale (H-key to automotive industry standard) |
| 4 | Rotary knob with scale not lockable |
| 005 | Component series |
|---|---|
| 7X | Component series 70 ... 79 (70 ... 79: unchanged installation and connection dimensions) (NG16 … 63) |
| 6X | Component series 60 ... 69 (60 ... 69: unchanged installation and connection dimensions) (NG16 … 63) |
| 006 | Pressure stages (DB max) |
| 025 | 25 bar |
| 050 | 50 bar |
| 100 | 100 bar |
| 200 | 200 bar |
| 315 | 315 bar |
| 420 | 420 bar |
| 007 | Pressure stages (DB1) |
| A... | A... |
| 008 | Pressure stages (DB2) |
| B... | B... |
| 009 | Seal material |
| NBR seals | |
| V | FKM seals |
Typecode for Catalog Number LFA,
LFA- - - -7X-
| 001 | Series |
|---|---|
| LFA | Control cover LFA |
| 002 | Size |
| ... | ... |
| 003 | Type |
| DZ | DZ |
| DZWA | Solenoid de-energised: Pressure sequence function. Solenoid energised: Open |
| DZWB | Solenoid de-energised: Open. Solenoid energised: Pressure sequence function |
| 004 | Adjustment type |
| 1 | Rotary knob |
| 2 | Hexagon with protective cap |
| 3 | Lockable rotary knob with scale (H-key to automotive industry standard) |
| 4 | Rotary knob with scale not lockable |
| 005 | Component series |
| 7X | Component series 70 ... 79 (70 ... 79: unchanged installation and connection dimensions) (NG16 … 63) |
| 006 | Max. settable sequencing pressure in bar |
| 210 | 210 bar |
| 315 | 315 bar |
| 350 | 350 bar |
| ... | ... |
| 007 | Pilot oil supply |
|---|---|
| Internal, internal | |
| X | External, internal |
| Y | Internal, external |
| XY | External, external |
| 008 | Seal material |
| NBR seals | |
| V | FKM seals |
| 009 | Connections |
| 12 | SAE threaded external connections and UNC mounting bolts |
| Metric though connections |
Typecode for Catalog Number LFA,
LFA- - - -7X-
| 001 | Series |
|---|---|
| LFA | Control cover LFA |
| 002 | Size |
| 16 | Size 16 |
| 25 | Size 25 |
| 32 | Size 32 |
| 40 | Size 40 |
| 50 | Size 50 |
| 63 | Size 63 |
| 003 | Control cover types |
| DR | DR |
| DRW | DRW |
| DREV | DREV |
| DREWV | DREWV |
| DREWVZ | DREWV |
| 004 | Adjustment type |
| 1 | Rotary knob |
| 2 | Hexagon with protective cap |
| 3 | Rotary rotary knob with scale (H-key to automotive industry standard) |
| 4 | Rotary knob with scale not lockable |
| 005 | Component series |
|---|---|
| 7X | Component series 70 ... 79 (70 ... 79: unchanged installation and connection dimensions) (NG16 … 63) |
| 007 | Pressure stage in bar for nominal size |
| 006 | 6 bar |
| 014 | 14 bar |
| 025 | 25 bar |
| 075 | 75 bar |
| 150 | 150 |
| 210 | 210 bar |
| 315 | 315 bar |
| 350 | 350 bar |
| 014 | Seal material |
| NBR seals | |
| V | FKM seals |
| 015 | Connections, mounting and plug screws |
| Mounting screws, metric; connections inch thread | |
| 12 | Mounting screws UNC; connections UNF |
Typecode for Catalog Number LFA,
LFA- - - -C- - -
| 01 | Series |
|---|---|
| LFA | Control cover |
| 02 | Size |
| 16 | Size 16 |
| 25 | Size 25 |
| 32 | Size 32 |
| 40 | Size 40 |
| 50 | Size 50 |
| 63 | Size 63 |
| 80 | Size 80 |
| 100 | Size 100 |
| 125 | Size 125 |
| 160 | Size 160 |
| 03 | Control cover types |
| EH2 | EH2 |
| EM | EM |
| EWA | EWA |
| EWB | EWB |
| EGWA | EGWA |
| E | E |
| EWMA | EWMA |
| EH1 | EH1 |
| ER7 | ER7 |
| E13 | E13 |
| EH3 | EH3 |
| EKWA | EKWA |
| EM19 | EM19 |
| D7 | D7 |
| E53 | E53 |
| EG | EG |
| E52 | E52 |
| E64 | E64 |
| E71 | E71 |
| E76 | E76 |
| E15 | E15 |
| ER9 | ER9 |
| D71 | D71 |
| 04 | Component series |
|---|---|
| 7X | Component series 70 ... 79 (70 ... 79: unchanged installation and connection dimensions) (NG16 … 63) |
| 6X | Component series 60 ... 69 (60 ... 69: unchanged installation and connection dimensions) (NG80 … 100) |
| 2X | Component series 20 ... 29 (20 ... 29: unchanged installation and connection dimensions) (NG125 … 160) |
| 05 | Cartridge installation kit |
| C | C |
| 06 | Spool design (for area ratio see section on page 4, for symbols see right side) |
| A | A1 : A2 = 2 : 1 (annulus area = 50%; directional function; standard) |
| B | A1 : A2 = 14.3 : 1 (annulus area = 7%; directional function) |
| D | A1 : A2 = 1 : 0 (pressure function) (only version 'E', 'E15', 'EM' and 'EM19'; others on request) |
| 07 | Cracking pressure |
| 20 | Cracking pressure 2.0 bar |
| 30 | Cracking pressure 3.0 bar (only NG125) |
| 40 | Cracking pressure 4.0 bar (only NG16 ... 100) |
| ... | ... |
| 08 | Valve poppet |
| D | Valve poppet with damping nose (standard) |
| E | Valve poppet without damping nose (only version 'Q8G08' or 'spool position open') |
| 09 | Spool position monitoring |
| Hydraulic | |
| QMG24 | Electrical (dependent on NG; see pages of the individual control cover variations) |
| Q6G24 | Electrical (dependent on NG; see pages of the individual control cover variations) |
| Q8G08 | Electrical (NAMUR) |
| 10 | Orifices |
| Orifices detail information from 10 to 17 | |
| 18 | Seal material |
| NBR seals | |
| V | FKM seals |
| 19 | Connections, mounting and plug screws |
| Mounting screws, metric; connections inch thread (standard) | |
| 12 | Mounting screws UNC; connections UNF (not for version 'EM' and 'EM19') |