Product Description
The Bently Nevada 21000-16-05-00-077-03-02 is a ruggedized environmental enclosure designed for industrial proximity sensors. It provides critical mechanical shielding and sealing for transducer elements in aggressive field environments.
Industrial Applications
Reliability engineers install this housing assembly within Turbomachinery Instrumentation (TSI) setups. It safely encloses the sensors tracking radial vibration, axial thrust, and shaft speed. The unit primarily mounts onto high-speed steam turbines, large centrifugal compressors, and heavy-duty industrial pumps. Consequently, it ensures stable data collection across power generation, oil refining, and chemical processing facilities.
Key Technical Characteristics
Mechanical Architecture and Mounting
The construction consists of a robust, lightweight aluminum casing that shields delicate probe internals from physical impacts. It utilizes a standard $3/4\text{-}14\text{ NPT}$ mounting connection to ensure direct, secure attachment to the machine case. Additionally, this specific configuration functions efficiently without a standoff adapter, minimizing the overall footprint and simplifying the installation procedure.
Cable Management and Sealing
The assembly includes a dedicated cable seal grip alongside a selection of versatile grommets ranging from $1/8$ to $3/8$ inches. This system compresses tightly around the transducer lead wire to block dust and moisture ingress. Furthermore, the enclosure incorporates threaded conduit ports that streamline the routing of external extension cables back to the main control room.
Environmental Resilience
The hardware operates reliably across an extensive temperature range spanning from $-51^\circ\text{C}$ to $+177^\circ\text{C}$ ($-60^\circ\text{F}$ to $+351^\circ\text{F}$). Although this model is non-explosion-proof, the specialized exterior treatment defends internal components against corrosive atmospheres and oil splashing. This thermal and chemical endurance ensures a long service life during continuous machinery monitoring.
Technical Specifications
- Manufacturer: Bently Nevada
- Product Series: 21000 Proximity Probe Housing Assemblies
- Full Part Number: 21000-16-05-00-077-03-02
- Compatible Probe Type: 3300 XL 8mm proximity probe ($0.5\text{ m}$ cable)
- Main Housing Material: Aluminum
- Mounting Thread Size: $3/4\text{-}14\text{ NPT}$
- Seal Hardware: Cable seal grip with variable grommets ($1/8$ to $3/8$ inches)
- Operating Temperature Range: $-51^\circ\text{C}$ to $+177^\circ\text{C}$
- Standoff Adapter Requirement: None
- Net Unit Weight: 1.10 kg
- Physical Dimensions: 13.5 x 8.2 x 7.4 cm
- Lifecycle Status: Active production hardware
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