Vacuum suction cups & fittings
JG Three-bellows vacuum cups
JG three-bellows vacuum cups. Compare model dimensions, technical specifications and installation drawings to configure your EOAT assembly.
Series image shown. Confirm the exact configuration against the model data below.
Price and lead time: confirmed on inquiry.
Technical specifications
Dimensions and performance
| Model | Suction force (N) | Pull-off force (N) | Tube ID (mm) | Dk (mm) | Dmax(S) (mm) | Ds (mm) | H (mm) | NBR black | Silicone translucent | HT1 blue | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JG-3 | 0.2 | 0.4 | 2 | 4 | 4.0 | 3.0 | 6.7 | JG-3-BK | JG-3-SI | JG-3-BL | 1 |
| JG-4 | 0.3 | 0.6 | 2 | 7 | 7.0 | 3.8 | 14 | JG-4-BK | JG-4-SI | JG-4-BL | 1 |
| JG-5 | 0.2 | 0.8 | 2 | 7 | 7.0 | 5.0 | 14 | JG-5-BK | JG-5-SI | JG-5-BL | 1 |
| JG-7 | 0.1 | 0.9 | 4 | 9 | 9.0 | 5.9 | 14 | JG-7-BK | JG-7-SI | JG-7-BL | 1 |
| JG-9 | 0.7 | 2.3 | 4 | 9 | 9.5 | 9.0 | 15 | JG-9-BK | JG-9-SI | JG-9-BL | 1 |
| JG-12 | 0.9 | 3.5 | 4 | 10 | 13.0 | 12.0 | 21.0 | JG-12-BK | JG-12-SI | JG-12-BL | 1 |
| JG-14 | 1.2 | 5.7 | 4 | 10 | 15.5 | 14.5 | 22.8 | JG-14-BK | JG-14-SI | JG-14-BL | 2 |
| JG-18 | 2.3 | 8.5 | 4 | 10 | 19.0 | 17.2 | 22.6 | JG-18-BK | JG-18-SI | JG-18-BL | 2 |
| JG-20 | 3.8 | 12.1 | 4 | 10 | 21.0 | 20.0 | 22.1 | JG-20-BK | JG-20-SI | JG-20-BL | 2 |
| JG-25 | 4.5 | 19.0 | 4 | 10 | 26.0 | 23.0 | 34.0 | JG-25-BK | JG-25-SI | JG-25-BL | 4 |
| JG-32 | 12.0 | 36.9 | 6 | 18 | 33.5 | 32 | 37.5 | JG-32-BK | JG-32-SI | JG-32-BL | 10 |
| JG-42 | 13.6 | 44 | 6 | 18 | 45 | 42.6 | 46 | JG-42-BK | JG-42-SI | JG-42-BL | 18 |
| JG-52 | 27.0 | 96 | 6 | 18 | 55 | 52.5 | 48.7 | JG-52-BK | JG-52-SI | JG-52-BL | 24 |
| JG-62 | 39.6 | 137 | 6 | 18 | 65 | 62.2 | 54 | JG-62-BK | JG-62-SI | JG-62-BL | 39 |
| JG-88 | 45.2 | 286 | 9 | 25 | 95.5 | 89 | 86.5 | JG-88-BK | JG-88-SI | — | 166 |
Theoretical force at −0.6 bar on a smooth, dry workpiece; no safety factor included. Natural-rubber pull-off force is approximately 40% lower.
Material properties
| Material | Shore hardness | Flexibility | Abrasion resistance | UV resistance | Oil resistance | Temperature (°C) | Color |
|---|---|---|---|---|---|---|---|
| NBR | 60 | + | + | − | ++ | −30–120 | Black |
| SI | 50 | +++ | − | +++ | − | −40–220 | Translucent |
| HT1 | 60 | + | ++ | − | ++ | −25–170 | Blue |
Fitting compatibility
| Fitting | Cup sizes |
|---|---|
| VM14-M5 | JG-3 |
| VM21-M5 | JG-4 / 5 |
| VM39-M5 / VM40-G18 | JG-7 / 9 / 12 / 14 / 18 / 20 / 25 |
| VM24-G18 | JG-32 / 42 / 52 / 62 |
| VM41-G14 | JG-88 |
ENGINEERING RESOURCES
Technical drawings
Inspect mounting holes, dimensions and interfaces. Open a drawing to zoom in or download the image.
Enlarge drawing ↗JG · Dimensions
Application details for your quotation
Describe the contact surface, curvature, material and handling orientation. Cup material and fitting thread are separate choices; confirm both with the exact model and operating conditions.
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