Heavy-Duty Aluminum Probe Housing Assembly for External Machinery Protection Installations
The Bently Nevada 21000-16-10-15-124-03-023 Proximity Probe Housing Assembly is a rugged external munting solution designed to protect proximity probes in demanding industrial environments. As part of the proven 21000 Proximity Probe Housing Assembly series, it provides a secure enclosure for reverse-mounted proximity probes while allowing convenient probe adjustment and maintenance. The aluminum housing, stainless steel probe sleeve, and sealed construction make it well suited for rotating equipment operating in power generation, oil & gas, petrochemical, and process industries.
This configuration includes a 3300 XL 8 mm reverse-mount proximity probe, a 1.0 m (39 in.) probe cable, a 1.5 in. (38 mm) standoff adapter, a 12.4 in. (315 mm) probe penetration, a cable seal grip fitting package, and a 3/4-14 NPT mounting thread. The assembly is designed for reliable machinery vibration monitoring while protecting the probe from contamination, moisture, and mechanical damage.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21000-16-10-15-124-03-023 |
| Product Type | Proximity Probe Housing Assembly |
| Housing Series | 21000 |
| Housing Material | Aluminum Body |
| Probe Sleeve Material | 304 Stainless Steel |
| Probe Included | 3300 XL 8 mm Reverse-Mount Proximity Probe |
| Probe Cable Length | 1.0 m (39 in.) |
| Standoff Adapter Length | 1.5 in. (38 mm) |
| Probe Penetration | 12.4 in. (315 mm) |
| Fittings Option | Cable Seal Grip with Grommets (Option 03) |
| Mounting Thread | 3/4-14 NPT |
| Cover Type | Threaded Dome Cover |
| Sealing | O-Ring and Thread Seal |
| Environmental Protection | Industrial Outdoor Service |
| Compliance | API 670 Compatible Design |
| Approximate Dimensions | Vary according to sleeve and penetration configuration |
| Approximate Net Weight | 2.8 kg |
| Approximate Shipping Weight | 3.4 kg |
Industrial Applications
The 21000-16-10-15-124-03-023 is intended for externally mounted proximity probe installations where environmental protection and mechanical stability are required.
Typical applications include:
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Steam turbines
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Gas turbines
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Centrifugal compressors
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Industrial pumps
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Electric motors
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High-speed gearboxes
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Power generators
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Petrochemical processing equipment
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Pipeline compressor stations
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Offshore rotating machinery
Its long probe penetration and protected housing design make it especially suitable for applications where probes must extend through bearing housings while remaining shielded from harsh operating conditions.
Technical FAQs
1. What is the purpose of the 21000 Proximity Probe Housing Assembly?
It provides a protected external mounting enclosure for reverse-mounted proximity probes used in machinery vibration and shaft position monitoring.
2. Which proximity probe is included with this model?
This configuration includes a 3300 XL 8 mm reverse-mount proximity probe (Option 16).
3. What does the "10" option indicate?
Option 10 specifies a 1.0-meter (39-inch) probe cable.
4. What does the "15" option represent?
It specifies a 1.5-inch (38 mm) standoff adapter, allowing additional spacing between the housing and mounting surface.
5. What does the "124" option represent?
The 124 option specifies a 12.4-inch (315 mm) probe penetration length.
6. What is included in fitting option "03"?
Option 03 includes a cable seal grip with interchangeable grommets for multiple cable diameters, improving sealing and strain relief.
7. What mounting thread does option "02" provide?
This configuration uses a 3/4-14 NPT mounting thread, commonly specified for industrial machinery installations.
8. What material is used for the housing?
The housing is manufactured from aluminum, while the probe sleeve is constructed from 304 stainless steel for improved corrosion resistance.
9. Is this housing suitable for hazardous industrial environments?
The standard 21000 housing is available with CSA-approved configurations, while explosion-proof versions are offered under the CA21000 series.
10. Which industries commonly use this housing assembly?
It is widely used in power generation, oil and gas, petrochemical, mining, pulp and paper, and other industries operating critical rotating machinery.
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