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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
173646
Pressure regulator LR-1/8-D-7-MINI-NPT
The Festo 173646 is a mini industrial component from the D series, featuring 1/8 NPT pneumatic connections for both port 1 and port 2. It operates within a pressure range of 0.1 MPa to 1.6 MPa (1 bar to 16 bar) and regulates pressure between 0.5 bar and 7 bar with a maximum pressure hysteresis of 0.02 MPa (0.2 bar / 2.9 psi). Designed for compressed air conforming to ISO 8573-1:2010 [7:4:4] or inert gases, it supports medium and ambient temperatures from -10 °C to 60 °C and accommodates oil lubrication. Please submit the exact part number, quantity, and application requirements for a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
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
- 173646
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 173646.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Mini
- Series
- D
- Operating pressure
- 0.1 MPa...1.6 MPa | 1 bar...16 bar
- Pressure regulation range
- 0.5 bar...7 bar
- Max. pressure hysteresis
- 0.02 MPa | 0.2 bar | 2.9 psi
- 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)
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Air quality class at the output
- Compressed air as per ISO 8573-1:2010 [7:4:4] | Inert gases
- Temperature of medium
- -10 °C...60 °C
- Ambient temperature
- -10 °C...60 °C
- Pneumatic connection 1
- 1/8 NPT
- Pneumatic connection 2
- 1/8 NPT
- Note on materials
- RoHS compliant
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 173646. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.