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Products/Festo/4233
Festo 4233 Pneumatic valve VL/O-3-PK-3
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Festo

4233

Pneumatic valve VL/O-3-PK-3

The Festo part number 4233 is a 3/2-way monostable open industrial component featuring a plate seat structural design with a nominal width of 2.5 mm and a normal nominal flow rate of 100 l/min. It operates within a pressure range of 0 MPa to 0.8 MPa (0 bar to 8 bar) utilizing compressed air as per ISO 8573-1:2010 [7:-:-], offering switching times of 12 ms on and 50 ms off, and includes ATEX certification for zones 1, 2, 21, and 22. This 110 g unit accommodates PK-3 pneumatic working ports and connections, supports mounting on a sub-base, mounting frame, or via through-holes, and incorporates a sub-base constructed from brass and PPS-reinforced materials. Submit the exact part number, quantity, and application requirements for a quote.

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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
4233
Data verification
Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 4233.
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
Normal nominal ow rate (normalized to DIN 1343)
100 l/min
Pneumatic working port
PK-3
Operating pressure
0 MPa...0.8 MPa | 0 bar...8 bar
Structural design
Plate seat
Nominal width
2.5 mm
Switching time off
50 ms
On switching time
12 ms
Explosion prevention and protection
Observe the information on the certicate | Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
Operating medium
Compressed air as per ISO 8573-1:2010 [7:-:-]
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Pilot medium
Compressed air as per ISO 8573-1:2010 [7:-:-]
Ambient temperature
-10 °C...60 °C
Product weight
110 g
Type of mounting
Alternatively: | On sub-base | On mounting frame | With through-hole
Pneumatic connection 1
PK-3
Pneumatic connection 4
PK-3
Pneumatic connection 5
PK-3
Material of sub-base
Brass | PPS-reinforced
Seals material
NBR
Housing material
Polymer | Die-cast zinc

Engineering context

Identification and RFQ Guidance

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.

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 4233. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.