The FESTO 162508 VADMI-95 is a compact vacuum generator engineered for industrial automation systems that require stable vacuum creation, reliable suction handling, and efficient integration into pneumatic control architecture. It belongs to FESTO’s VADM/VADMI family and is designed for applications such as pick-and-place handling, packaging automation, sheet separation, robotic gripping, and general vacuum-based workpiece transfer. Official FESTO data identifies this model as a high-vacuum ejector with a 0.95 mm Laval nozzle, 18 mm grid dimension, closed silencer design, and a maximum vacuum level of 85%. The same official product data also lists a product weight of 239 g, which is an important reference for equipment designers, maintenance teams, and spare-parts buyers.
Unlike a basic pneumatic fitting or standard valve, the VADMI-95 is a functional vacuum generation unit that combines several useful integrated elements into one body. FESTO’s datasheet states that it includes an electric ejector pulse valve, flow control, electric on/off valve, filter, and check valve. This is significant in real machine design because it reduces the number of separate components required around the vacuum circuit, helping simplify installation and reduce tubing and wiring complexity. For machine builders focused on compact layouts and reliable function, that integrated design is one of the product’s main advantages.
Product Summary
| Item | Description |
|---|---|
| Brand | FESTO |
| Part Number | 162508 |
| Model | VADMI-95 |
| Product Type | Vacuum generator |
| Product Family | VADM / VADMI |
| Nominal Laval Nozzle Size | 0.95 mm |
| Grid Dimension | 18 mm |
| Ejector Characteristic | High vacuum |
| Valve Function | Closed |
| Operating Pressure | 2 to 8 bar |
| Nominal Operating Pressure | 6 bar |
| Maximum Vacuum | 85% |
| Operating Voltage Range | DC 21.6 to 26.4 V |
| Duty Cycle | 100% |
| Degree of Filtration | 40 µm |
| Degree of Protection | IP65 |
| Pneumatic Connection 1 | G1/8 |
| Vacuum Connection | G1/8 |
| Electrical Connection | Plug |
| Product Net Weight | 239 g |
All of the values above are taken from FESTO’s official datasheet and product page for part number 162508.
Design Purpose and Operating Concept
The VADMI-95 is intended for systems where vacuum must be generated pneumatically and controlled with repeatable performance. In production environments, that usually means the vacuum generator is used to grip, lift, or transport workpieces without mechanical clamping. Applications may involve cartons, plastic parts, sheet metal, glass, electronic subassemblies, labels, or other items that can be safely handled through suction technology. FESTO’s documentation for the VADM/VADMI family explains that the VADMI version works with controlled hysteresis, meaning the generator is activated by an external controller when the vacuum level drops below a defined minimum and is deactivated again when the upper level is regained. A check valve prevents the vacuum from falling during the inactive phase. That operating principle is particularly useful in automation because it helps maintain vacuum stability while reducing unnecessary compressed-air consumption.
This matters because compressed air is expensive in industrial environments. A vacuum unit that runs continuously without control wastes energy. By contrast, a vacuum generator with controlled activation and integrated non-return behavior can support more efficient operation. The VADMI-95 therefore suits applications where the designer needs both vacuum performance and air-saving logic within a compact form factor. FESTO’s family documentation makes clear that the VADMI line is intended to preserve a defined vacuum operating range rather than simply generating suction continuously with no feedback logic.
Main Technical Characteristics
| Technical Feature | Practical Benefit |
|---|---|
| High-vacuum ejector design | Suitable for secure suction holding |
| 0.95 mm Laval nozzle | Balanced vacuum generation within a compact body |
| Integrated ejector pulse valve | Helps support blow-off / release behavior |
| Integrated electric on/off valve | Simplifies control architecture |
| Integrated filter and check valve | Reduces external component requirements |
| 2 to 8 bar operating pressure | Compatible with common industrial air systems |
| 24 V DC class supply | Easy integration with PLC-based machines |
| IP65 protection | Suitable for demanding industrial environments |
| 239 g product weight | Compact and manageable for machine installation |
These features are grounded in FESTO’s official datasheet for the exact part number and in the VADM/VADMI product-family documentation.
Product Weight and Why It Matters
The product weight of the FESTO VADMI-95 is 239 g according to FESTO’s official product information. That number is not just a catalog detail. In automation equipment, the weight of a vacuum generator affects bracket sizing, moving-axis load, manifold arrangement, and spare-parts logistics. A 239 g unit is light enough for compact integration near suction points, yet substantial enough to reflect a robust industrial construction rather than a light-duty miniature accessory. For designers building end-of-arm tooling, handling heads, or dense machine frames, this weight supports practical mounting without excessive mechanical burden.
The installation format also supports practical use. FESTO lists optional mounting with through-hole or internal thread, and the product includes G1/8 pneumatic connection 1 plus G1/8 vacuum connection. This combination gives the user flexibility in how the generator is positioned relative to the vacuum cups, tubing, or machine frame. In many vacuum systems, physical placement is critical because long suction lines can reduce performance and increase response time. A compact device with clear industrial connection standards is therefore easier to deploy correctly.
Performance in Industrial Applications
From a functional perspective, the VADMI-95 is best understood as a compact vacuum source for automated handling. Its official performance profile emphasizes high vacuum rather than maximum suction flow for porous materials. That means it is particularly relevant where a secure vacuum level matters, such as handling relatively non-porous surfaces or parts requiring stable retention. The listed maximum vacuum of 85% and the closed valve function reinforce that positioning. In practical terms, this makes the model attractive for users who need dependable holding behavior in repetitive pick-and-place cycles.
The nominal operating pressure is 6 bar, while the allowed working range is 2 to 8 bar. This is fully aligned with common industrial compressed-air infrastructure, so the unit can normally be integrated without requiring a special air supply regime. FESTO also states that the unit is designed for compressed air according to ISO 8573-1:2010 [7:4:4] and should not be operated with lubricated media. That is important for reliability because vacuum generators and integrated valves can be sensitive to inappropriate air quality or lubrication practices.
Operating Environment and Reliability Factors
The VADMI-95 is built for industrial service conditions. FESTO specifies IP65 protection, which supports use in environments where dust and incidental water exposure may be present. The datasheet also lists a 40 µm filtration grade, ambient and medium temperature range of 0 °C to 60 °C, and 100% duty cycle. Together, these values indicate that the product is not a laboratory-only vacuum device but a practical automation component intended for continuous machine duty.
The material notes are also relevant for some industries. FESTO states that the product is free of copper and PTFE, uses NBR seals, and has a nickel-plated brass female nozzle. Depending on the production environment, these details may matter for compatibility, maintenance, or procurement specifications. For industrial buyers, the existence of official material data reduces uncertainty when matching the component to plant standards.
Typical Use Cases
| Application | Why VADMI-95 Is Suitable |
|---|---|
| Pick-and-place units | Compact high-vacuum generation near suction cups |
| Packaging automation | Reliable workpiece gripping and release control |
| Robotic handling | 24 V DC-compatible integration with machine controls |
| Sheet or panel transfer | Stable vacuum holding for repetitive cycles |
| Retrofit vacuum systems | Integrated functions reduce additional components |
These use cases are inferred from the product’s official vacuum-generator classification, high-vacuum ejector characteristic, integrated valve functions, and family documentation describing controlled vacuum behavior.
Purchasing and Identification Value
For procurement purposes, the full identity should be kept intact: FESTO 162508 VADMI-95. With vacuum components, buying only by family name can easily cause errors because nozzle size, connection type, control logic, and integrated functions may vary significantly within the same series. The official data for this exact model confirms the key order-critical points: 0.95 mm nozzle, high-vacuum characteristic, 24 V DC class operating range, G1/8 connections, IP65, and 239 g weight. That level of specificity helps maintenance teams avoid mismatches during replacement.
Conclusion
The FESTO 162508 VADMI-95 is a compact and technically mature vacuum generator designed for industrial automation systems that require stable suction performance, efficient compressed-air use, and straightforward control integration. Official FESTO data shows that it features a 0.95 mm Laval nozzle, 18 mm grid dimension, 2 to 8 bar operating pressure, maximum vacuum of 85%, 24 V DC class operation, IP65 protection, and a product weight of 239 g. With integrated functions including an electric ejector pulse valve, electric on/off valve, filter, flow control, and check valve, it is well suited for pick-and-place equipment, packaging systems, and other vacuum-handling applications where compact design and reliable vacuum control are essential.
