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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
153537
Pressure regulator LR-1/4-QS-6
The Festo part number 153537 is a directly-controlled piston regulator featuring a constant output pressure function with secondary exhaust and a looped-through compressed air supply. Constructed with a PBT-reinforced housing, nickel-plated brass threaded plug with a PTFE threaded seal, and 2 QS-6 pneumatic connection ports, this component operates within an inlet pressure range of 0 to 9 bar and a pressure regulation range of 1 to 8 bar. It delivers a standard nominal flow rate of 98 l/min for compressed air conforming to ISO8573-1:2010 [7:-:-] across an ambient temperature range of 0 to 60 °C, and includes a knurled screw with lock nut actuator lock for any assembly position at a product weight of 59 g. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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Request a Quote- Manufacturer
- Festo
- Part number
- 153537
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 153537.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Controller function
- Output pressure constant | with secondary exhaust
- Pneumatic connection, port
- 2 QS-6
- Mounting type
- Threaded
- Standard nominal flow rate
- 98 l/min
- Inlet pressure 1
- 0 ... 9 bar
- Ambient temperature
- 0 ... 60 °C
- Material housing
- PBT-reinforced
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:-:-]
- Actuator lock
- Knurled screw with lock nut
- Assembly position
- Any
- Design structure
- directly-controlled piston regulator | with looped-through compressed air supply
- Pressure regulation range
- 1 ... 8 bar
- Product weight
- 59 g
- Material of threaded plug
- Brass | Nickel plated
- Material of threaded seal
- PTFE
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
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 153537. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.