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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
189305
Vacuum suction cup ESS-40-SU
The Festo 189305 is a round, flat industrial component featuring a 40 mm suction cup diameter, a 3 mm nominal width, and an upward connection position for mounting via an M6 vacuum connection in any orientation. It operates within a pressure range of -95 kPa to 0 kPa and delivers a holding force of 69.6 N along with a lateral force of 83 N at its nominal operating pressure of -70 kPa. Weighing 16.3 g with a suction cup volume of 1.566 cm³, this part accommodates a minimum workpiece radius of 230 mm across an ambient temperature range of -20 °C to 60 °C using atmospheric air based on ISO 8573-1:2010 [7:-:-]. Request a quote by submitting the exact part number, required quantity, and application parameters.
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
- 189305
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 189305.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Min. workpiece radius
- 230 mm
- Nominal width
- 3 mm
- Suction cup diameter
- 40 mm
- Suction cup volume
- 1.566 cm³
- Connection position
- up
- Mounting position
- Any
- Classication of suction cup holder
- Size 4
- Suction cup shape
- Round, at
- Operating pressure
- -95 kPa...0 kPa | -0.95 bar...0 bar | -13.775 psi...0 psi
- Nominal operating pressure
- -70 kPa | -0.7 bar | -10.15 psi
- Operating medium
- Atmospheric air based on ISO 8573-1:2010 [7:-:-]
- Corrosion resistance class (CRC)
- 1 - Low corrosion stress
- LABS (PWIS) conformity
- VDMA24364 Zone III
- For use in the food industry
- See supplementary material information
- Ambient temperature
- -20 °C...60 °C
- Holding force at nominal operating pressure
- 69.6 N
- Lateral force at nominal operating pressure
- 83 N
- Product weight
- 16.3 g
- Type of mounting
- Via vacuum connection
- Vacuum connection
- M6
- Color
- Blue
- Shore hardness
- 60 +/-5
- Material of screwed plug
- Wrought aluminum alloy, nickel-plated | Brass, nickel-plated | Steel, galvanized and chrome-plated
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 189305. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.