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The Vacuum Release Unit is a precision component designed to control the release of air during vacuum operations while preserving the vacuum performance of the vacuum generator. It ensures that workpieces are safely released from the vacuum pad without compromising the system’s ability to maintain a strong vacuum, enabling consistent and reliable operation in industrial automation environments.
The unit is constructed with PBT resin for its main structural components, selected for its durability and suitability in general environmental conditions. Critical metal parts, such as fittings and housings, are made from brass with electroless nickel plating to ensure corrosion resistance and long-term mechanical integrity under operational stress.
The seal material used throughout the unit is NBR rubber, which provides effective sealing performance under dynamic vacuum conditions. However, it is noted that this material has limited ozone resistance compared to other elastomers, making it suitable for use in environments where exposure to ozone is minimal or absent.
The Vacuum Release Unit operates with a fluid medium of air and functions within an operating pressure range of 0 to 0.7 MPa. It maintains vacuum operation from 0 to -101 kPa, with a relief valve setting range of -0.015 to +0.015 MPa. The unit is designed for use in ambient temperatures between 0 and 60°C, ensuring no freezing occurs during operation.
Available in two sizes: φ4 mm and φ6 mm, the unit offers flexibility in integration with different vacuum pad systems. The tube lead-out direction can be freely adjusted by rotating the resin body and joint parts, allowing for customized installation orientation to match specific mounting configurations.
The unit features a R1/8 taper pipe male thread interface, enabling direct connection to standard vacuum generator or pad systems. This standardized threading ensures compatibility with existing industrial vacuum setups without requiring custom fittings or modifications.
| Specification | Details |
|---|---|
| Fluid medium | Air |
| Operating pressure range | 0 to 0.7 MPa |
| Setting range of relief valve operating pressure | -0.015 to 0.015 MPa |
| Operating vacuum pressure | 0 to -101 kPa |
| Operating temp. range | 0 to 60℃ (No freezing) |
| mm size (mm) | φ4, φ6 |
| Taper pipe male thread | R1/8 |
| Main resin material | PBT |
| Main metal material | Brass with electroless nickel plating |
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