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Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
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Festo
537643
Pressure regulator LR-1/4-DB-7-O-MINI
Festo Pressure regulator LR-1/4-DB-7-O-MINI, part number 537643, is documented in the official Festo United States product data sheet. Review the technical specifications and operating conditions below when requesting a quotation.
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Request a Quote- Manufacturer
- Festo
- Part number
- 537643
- Data verification
- Manufacturer evidence reviewed
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Verified configuration
Technical Specifications
Identification and family-level technical context are preserved from reviewed source evidence and official English-language manufacturer documentation.
- Size
- Mini
- Width
- 44 mm
- Series
- DB
- Actuator lock
- Rotary knob with detent
- Mounting position
- Any
- Structural design
- Pressure regulator without pressure gauge
- Controller function
- With secondary exhausting | With return ow function
- Pressure gauge
- G1/8 prepared
- Operating pressure
- 0.1 MPa...1 MPa | 1.5 bar...10 bar
- Pressure regulation range
- 0.5 bar...12 bar
- Inlet pressure 1
- 1 bar...10 bar
- Max. pressure hysteresis
- 0.5 bar
- Standard nominal ow rate
- 1300 l/min
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Corrosion resistance class (CRC)
- 1 - Low corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Air quality class at the output
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Temperature of medium
- -5 °C...50 °C
- Ambient temperature
- -5 °C...50 °C
- Product weight
- 150 g
- Type of mounting
- Optionally: | Front panel mounting | Line installation | With through-hole | With mounting bracket
- Pressure gauge connection
- G1/8
- Pneumatic connection 1
- G1/4
- Pneumatic connection 2
- G¼
- Note on materials
- RoHS-compliant
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Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 537643. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.