Festo LR Pressure regulator.
LR-1/4-D-MIDI Datasheet:
| Size | Midi |
| Series | D |
| Actuator lock | Rotary knob with detent |
| Mounting position | optional |
| Design | Directly actuated diaphragm regulator |
| Controller function | Output pressure constantVia primary pressure compensationWith secondary venting |
| Symbol | 00991538 |
| Pressure gauge (ANALOG) or Pressure display (DIGITAL) | With pressure gauge |
| Operating pressure | 0 MPa … 1.6 MPa |
| Operating pressure | 0 bar … 16 bar |
| Pressure regulation range | 0.5 bar … 12 bar |
| Max. pressure hysteresis | 0.02 MPa |
| Max. pressure hysteresis | 0.2 bar |
| Max. pressure hysteresis | 2.9 psi |
| Standard nominal flow rate (standardised to DIN 1343) | 2100 l/min |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4]Inert gases |
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) |
| Corrosion resistance class CRC | 2 — Moderate corrosion stress |
| LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Air purity class at output | Compressed air to ISO 8573-1:2010 [7:4:4]Inert gases |
| Media temperature | -10 °C … 60 °C |
| Ambient temperature | -10 °C … 60 °C |
| Product weight | 720 g |
| Type of mounting | Front panel mountingIn-line installationWith accessories |
| Pneumatic connection, port 1 | G1/4 |
| Pneumatic connection, port 2 | G1/4 |
| Note on materials | RoHS-compliant |
| Material sub-base | Die-cast zinc |
| Material seals | NBR |
| Material housing | Die-cast zinc |
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