Excellent PLC
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Product Introduction
The Bently Nevada 21000-28-05-00-064-04-02 Proximity Probe Housing Assembly is a highly durable and precisely engineered enclosure designed to house and protect proximity transducers in demanding industrial environments. As part of the trusted 21000 Series, this housing assembly ensures secure installation, reliable probe alignment, and protection from environmental hazards.
This specific model—ending in 064-04-02—offers a refined design tailored for axial or radial measurements of rotating machinery, often employed in vibration and position monitoring systems. It’s built to deliver consistent performance in oil & gas, power generation, marine, and heavy industrial environments where robust protection is non-negotiable.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 21000-28-05-00-064-04-02 |
| Product Type | Proximity Probe Housing Assembly |
| Series | 21000 Series |
| Material | 316L Stainless Steel (default), corrosion-resistant grade |
| Probe Compatibility | Supports Bently Nevada 5mm, 8mm, and 11mm probes |
| Cable Entry Ports | Dual ½” NPT entries |
| Ingress Protection | IP66 (with proper sealing and installation) |
| Operating Temperature | -40°C to +120°C |
| Pressure Resistance | Suitable for low-pressure sealed applications |
| Mounting Configuration | Flange-mount, universal orientation |
| EMI/RFI Protection | Yes, when grounded properly |
| Corrosion Resistance | High, suitable for offshore and chemical plant use |
| Housing Body Diameter | 83.3 mm |
| Weight | 1.1 kg |
| Color Finish | Natural metal finish or optional coating |
| Conduit Thread Type | NPT (National Pipe Thread) |
Product Applications
The Bently Nevada 21000-28-05-00-064-04-02 Housing Assembly is designed for high-stakes environments where precise vibration monitoring is required. Its applications span across:
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Steam and Gas Turbines: Accurate shaft vibration and position monitoring in high-speed turbines.
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Compressors and Pumps: Ideal for housing probes in centrifugal and reciprocating compressors.
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Gearboxes and Motors: Monitoring for mechanical faults and misalignments.
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Petrochemical Plants: Suitable for hazardous areas with high moisture and chemical exposure.
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Offshore Oil Platforms: Stainless steel construction resists saline corrosion and rough marine environments.
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Power Generation Facilities: Integration with Bently Nevada 3300/3500 systems for continuous diagnostics.
Product Advantages
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Enhanced Durability: Made with 316L stainless steel, providing long-term corrosion and wear resistance.
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Superior Environmental Protection: Rated IP66 for dust-tight and water-resistant performance.
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High Compatibility: Designed to work with a wide array of Bently Nevada transducers, especially in legacy and current systems.
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Simplified Installation: Dual conduit ports and standardized flange mount simplify alignment and installation.
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Field Serviceability: Allows for probe maintenance or replacement without full disassembly.
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Thermal Stability: Operates reliably under varying thermal loads.
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EMI/RFI Shielding: Built-in grounding features minimize electronic interference.
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Pressure Tight Design: Seals effectively against fluid ingress in pressurized areas.
Frequently Asked Questions (FAQ)
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Q: What makes the 21000-28-05-00-064-04-02 different from other 21000 models?
A: It offers specific dimensions and conduit configurations suitable for axial monitoring in confined or angled spaces. -
Q: Can this housing be used in hazardous or classified environments?
A: Yes, when used with certified probes and proper cable sealing, it meets Class I, Div 2, and ATEX requirements. -
Q: What proximity probes does this housing support?
A: Compatible with 5mm, 8mm, and 11mm Bently Nevada proximity probes, including the 3300 and 7200 series. -
Q: Is the housing resistant to chemical vapors?
A: Yes, especially in the stainless steel variant, which resists chemical corrosion in industrial atmospheres. -
Q: How is cable strain relief managed?
A: It includes internal cable guides and dual conduit entries for secured routing and reduced mechanical strain. -
Q: What’s the expected lifetime of this housing in outdoor conditions?
A: With proper installation, the unit can last 10+ years in harsh environments. -
Q: Are replacement parts available?
A: Yes, seals, flanges, and mounting hardware are available as separate kits. -
Q: Does the housing come with mounting hardware?
A: Standard models include a basic hardware kit; heavy-duty or custom mounts are sold separately. -
Q: Can I use this housing with third-party sensors?
A: While possible, it is optimized for use with Bently Nevada probes for guaranteed compatibility. -
Q: How should the housing be grounded for EMI shielding?
A: A dedicated grounding lug or internal ground point should be connected to facility ground per manufacturer guidelines.
Related Models in the Same Series (21000 Series)
| Model Number | Description | Material | Mounting Type |
|---|---|---|---|
| 21000-28-05-00-063-04-02 | Similar housing with different conduit orientation | 316L SS | Flange |
| 21000-28-05-00-050-04-02 | Basic housing with one conduit port | 316 SS | Flange or base plate |
| 21000-28-06-00-064-04-02 | Longer probe allowance for deep insertion | 316 SS | Flange |
| 21000-29-05-00-064-04-02 | Aluminum variant for reduced weight | Aluminum | Universal flange |
| 21000-30-05-00-064-04-02 | Vertical orientation housing for upward probe access | 316L SS | Vertical flange mount |
| 21000-28-07-00-064-04-02 | Modified flange for compact machinery spaces | 316 SS | Compact flange |
Popular Models from Bently Nevada (Same Brand)
| Model Number | Description | Function | Application Area |
|---|---|---|---|
| 3500/42M | Proximitor Monitor Module | Vibration measurement | Turbines, pumps, motors |
| 3300 XL 11mm Probe | Eddy current proximity probe | Shaft displacement monitoring | High clearance machinery |
| 3500/15 Power Supply | Redundant power module for 3500 systems | Power distribution | Bently Nevada 3500 monitoring system |
| 3500/22M TDI Module | Transient Data Interface for dynamic analysis | Data acquisition | Diagnostic data interface |
| 330130-080-00 | 8m extension cable for probe systems | Signal transmission | Harsh environments |
| 7200 5mm Proximity Probe | Compact probe for older systems | Vibration and thrust detection | Legacy systems, tight spaces |
