Component - MS4-LR-1/4-D6-AS Festo

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€69,73 / pcs €57,63 excl. VAT Measure price:
Available to order – we will confirm availability
Delivery to:
19. 10. 2026
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Quantity discount
1 - 4 pcs
€69,73 / pcs
5 - 9 pcs = discount 3 %
€67,64 / pcs
10 - 24 pcs = discount 6 %
€65,55 / pcs
25 - 49 pcs = discount 9 %
€63,45 / pcs
50 and more pcs = discount 12 %
€61,36 / pcs
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The Festo MS4-LR-1/4-D6-AS is a compact pressure regulator designed for precise control of compressed air systems. It features a rotary knob with detent for easy adjustment and can be mounted in any position. This model includes a pressure gauge for monitoring output pressure.

Detailed information

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Product detailed description

The Festo MS4-LR-1/4-D6-AS is a high-performance pressure regulator engineered to maintain consistent output pressure in compressed air systems. Its robust construction and user-friendly design make it suitable for a wide range of industrial applications.

Technical Specifications:

  • Size: 4
  • Series: MS
  • Actuator Lock: Rotary knob with detent
  • Mounting Position: Any
  • Design: Directly actuated diaphragm regulator
  • Controller Function: Outlet pressure constant
  • Secondary Venting: Yes
  • Return Flow Function: Yes
  • Pressure Gauge: Included
  • Operating Pressure: 0.8 bar to 14 bar (0.08 MPa to 1.4 MPa)
  • Pressure Regulation Range: 0.3 bar to 7 bar
  • Max. Pressure Hysteresis: 0.25 bar (0.025 MPa)
  • Standard Nominal Flow Rate: 1800 l/min
  • Operating Medium: Compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases
  • Operating and Pilot Medium: Lubricated operation possible (required for further use)
  • Corrosion Resistance Class (CRC): 2 - Moderate corrosion stress
  • LABS (PWIS) Conformity: VDMA24364-B1/B2-L
  • Storage Temperature: -10°C to 60°C
  • Temperature of Medium: -10°C to 60°C
  • Ambient Temperature: -10°C to 60°C
  • Product Weight: 225 g
  • Type of Mounting: Front panel mounting, line installation, with accessories
  • Pneumatic Connection: G1/4
  • Materials:
    • Sub-base: Die-cast aluminum
    • Operator Panel: PA, POM
    • Seals: NBR
    • Housing: Die-cast aluminum
    • Diaphragm: NBR
  • RoHS Compliant: Yes

This pressure regulator is designed for versatility and durability, ensuring reliable performance in various industrial settings. Its compact size and straightforward mounting options facilitate easy integration into existing systems.

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We can arrange delivery of almost any Festo product, even if it is not currently listed in our catalogue.

Send us the designation, a photo of the nameplate, dimensions or a description of the application, and we will check availability.

Festo – product identification and supply

The Festo designation may appear on different technical products and spare parts. To identify the exact item reliably, we therefore work from the complete marking and the available technical data.

The exact item should be selected by its complete designation and technical parameters. Dimensions, design, material and operating conditions are important when matching a replacement.

For an accurate quotation, please provide the full marking, required quantity and any available documentation. We will compare the specification and verify a suitable delivery option.

Manufacturing company : Festo SE & Co. KG
Address : Festo Campus 1, 73734 Esslingen, Germany
E-mail : info_de@festo.com