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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
8099359
Pressure regulator MS4-LR-1/4-D6-AG-MPA-B
The Festo 8099359 is a Size 4 MS series industrial component featuring a directly controlled piston regulator structural design with an integrated pressure gauge and a rotary knob with detent actuator lock. It delivers a normal nominal flow rate of 1800 l/min within an operating pressure range of 1 bar to 10 bar, a pressure regulation range of 0.3 bar to 7 bar, and includes secondary exhausting and return flow characteristics. This unit operates with compressed air conforming to ISO 8573-1:2010 [7:4:4] or inert gases across ambient and medium temperatures of -5 °C to 50 °C. Submit the exact part number, quantity, and application requirements to receive a formal quote.
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Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 8099359
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 8099359.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- 4
- Series
- MS
- Actuator lock
- Rotary knob with detent
- Mounting position
- Any
- Structural design
- Pressure regulator with pressure gauge | Directly controlled piston regulator
- Controller function
- Constant output pressure | With secondary exhausting | With return ow characteristic
- Displayable unit(s)
- MPa
- Pressure gauge
- with pressure gauge
- Operating pressure
- 0.1 MPa...1 MPa | 1 bar...10 bar
- Pressure regulation range
- 0.3 bar...7 bar
- Max. pressure hysteresis
- 0.05 MPa | 0.5 bar | 7.25 psi
- Normal nominal ow rate (normalized to DIN 1343)
- 1800 l/min
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4] | Inert gases
- 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
- Cleanroom suitability, measured according to ISO 14644-14
- Class 7 according to ISO 14644-1
- Storage temperature
- -5 °C...50 °C
- Temperature of medium
- -5 °C...50 °C
- Ambient temperature
- -5 °C...50 °C
- Product weight
- 165 g
- Type of mounting
- Alternatively: | Front panel mounting | In-line installation | With accessories
- Pneumatic connection 1
- G1/4
- Pneumatic connection 2
- G1/4
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 8099359. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.