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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
525999
Vacuum suction cup ESS-80-BT-G1/4
The Festo 525999 is a round protective bellows 1.5-fold industrial component featuring an 80 mm suction cup diameter, a 10.5 mm height compensator, and a 2.5 mm nominal width. Operating across a pressure range of -0.95 bar to 0 bar with an atmospheric air medium, it delivers a holding force of 237 N and a lateral force of 102 N at a nominal operating pressure of -0.7 bar. This 85.5 g reddish brown assembly has a 72 +/-5 Shore hardness, 59.1 cm³ suction cup volume, G1/4 vacuum connection for mounting, and withstands ambient temperatures from -10 °C to 80 °C with a CRC 2 moderate corrosion stress rating and VDMA24364-A1-L LABS conformity. Submit the exact part number, quantity, and application requirements for 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
- 525999
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 525999.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Suction cup holder height compensator
- 10.5 mm
- Min. workpiece radius
- 100 mm
- Nominal width
- 2.5 mm
- Suction cup diameter
- 80 mm
- Suction cup volume
- 59.1 cm³
- Mounting position
- Any
- Suction cup shape
- round protective bellows 1.5-fold
- Operating pressure
- -0.95 bar...0 bar
- Nominal operating pressure
- -0.7 bar
- Operating medium
- Atmospheric air based on ISO 8573-1:2010 [7:-:-]
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-A1-L
- Ambient temperature
- -10 °C...80 °C
- Holding force at nominal operating pressure
- 237 N
- Lateral force at nominal operating pressure
- 102 N
- Product weight
- 85.5 g
- Type of mounting
- Via vacuum connection
- Vacuum connection
- G1/4
- Color
- Reddish brown
- Shore hardness
- 72 +/-5
- Material of screwed plug
- Wrought aluminum alloy
- Note on materials
- RoHS compliant
- Suction cup material
- VULKOLLAN
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 525999. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.