Confirm the exact configuration
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
153541
Pressure regulator LR-QS-6
The Festo 153541 is a directly-controlled piston regulator featuring a constant output pressure with secondary exhaust and a looped-through compressed air supply. Constructed with a PBT-reinforced housing, nickel-plated brass threaded plug with PTFE seal, and QS-6 pneumatic connection ports, this 33 g component operates within an inlet pressure range of 0 to 9 bar and an ambient temperature of 0 to 60 °C. It delivers a standard nominal flow rate of 70 l/min across a pressure regulation range of 1 to 8 bar using compressed air in accordance with ISO8573-1:2010 [7:-:-]. The unit mounts via a through hole in any assembly position and includes an actuator lock with a knurled screw and lock nut. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 153541
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 153541.
Worldwide sourcingSupport for planned and urgent industrial requirements.
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
- with through hole
- Standard nominal flow rate
- 70 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
- 33 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 153541. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.