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Festo
153540
Pressure regulator LR-QS-4
The Festo part number 153540 is a directly-controlled piston regulator featuring a constant output pressure with secondary exhaust and a looped-through compressed air supply. Constructed with a reinforced PBT housing, nickel-plated brass threaded plug, and PTFE threaded seal, this 33 g component operates within an ambient temperature range of 0 to 60 °C and supports an inlet pressure from 0 to 9 bar. It delivers a standard nominal flow rate of 67 l/min across a pressure regulation range of 1 to 8 bar, utilizes 2 QS-4 pneumatic connections, and incorporates a knurled screw with lock nut for actuator locking. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this Festo industrial component.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 153540
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 153540.
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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-4
- Mounting type
- with through hole
- Standard nominal flow rate
- 67 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 153540. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.