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
556345
Basic valve LOCB-3-1/4
The Festo 556345 is a 50 mm wide industrial component featuring a 3/2-way monostable open valve function with pneumatic actuation and a mechanical spring reset method. Designed with a plate seat structural design and a G1/4 pneumatic working port, this part delivers a normal nominal flow rate of 600 l/min at an operating pressure range of 0.2 MPa to 1 MPa. It operates with compressed air as per ISO 8573-1:2010 [7:4:4] within a medium and ambient temperature range of -10 °C to 60 °C, supporting through-hole mounting in any position and weighing 495 g. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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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
- 556345
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 556345.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- 3/2-way, monostable, open
- Actuation type
- Pneumatic
- Width
- 50 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 600 l/min
- Pneumatic working port
- G1/4
- Operating pressure
- 0.2 MPa...1 MPa | 2 bar...10 bar
- Structural design
- Plate seat
- Reset method
- Mechanical spring
- Nominal width
- 6.5 mm
- Mounting position
- Any
- Pilot pressure MPa
- 0.1 MPa...1 MPa
- Pilot pressure
- 1 bar...10 bar
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Temperature of medium
- -10 °C...60 °C
- Ambient temperature
- -10 °C...60 °C
- Product weight
- 495 g
- Type of mounting
- With through-hole
- Pilot air port 12
- M20x1
- Pneumatic connection 1
- G1/4
- Pneumatic connection 2
- G1/4
- Pneumatic connection 3
- G1/4
- Seals material
- NBR
- Housing material
- Aluminum | Anodized
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 556345. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.