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- Bently Nevada
- 21000-28-05-20-051-04-02
- Proximity Probe Housing Assembly3300XL)
- USA
- 83.3 mm
- 1.1 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
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Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Bently Nevada 21000-28-05-20-051-04-02 is a Proximity Probe Housing Assembly designed for the 3300 XL Proximity Transducer System. This assembly provides a durable, precise, and reliable mounting solution for proximity probes, enabling accurate monitoring of shaft vibration, rotor position, and displacement in critical rotating machinery.
It is widely used in power generation, oil & gas, petrochemical, and industrial plants to ensure continuous machinery protection and condition monitoring.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 21000-28-05-20-051-04-02 |
| Product Type | Proximity Probe Housing Assembly |
| Compatible System | 3300 XL Proximity Transducer System |
| Housing Body Diameter | 83.3 mm |
| Weight | 1.1 kg |
| Mounting Type | External machine or bearing housing installation |
| Housing Material | Industrial-grade metal alloy |
| Probe Compatibility | 3300 XL proximity probes |
| Cable Entry Type | Threaded conduit connection |
| Measurement Functions | Shaft vibration, rotor position, displacement |
| Application Category | Machinery protection and condition monitoring |
| Environmental Suitability | Industrial operating environments |
Function and Working Principle
The housing assembly acts as a protective enclosure and precise alignment platform for proximity probes.
Working Principle
- Install a 3300 XL proximity probe inside the housing.
- Position the probe close to the rotating shaft without contact.
- Shaft vibration, rotor displacement, and position changes are detected by the probe.
- Signals are transmitted to monitoring and protection systems.
- The housing ensures stable alignment and protects the probe from mechanical and environmental stress.
This ensures continuous and accurate condition monitoring of rotating machinery.
Role in Condition Monitoring Systems
- Provides secure and stable mounting for proximity probes
- Maintains precise alignment for reliable measurements
- Protects probes and cables from dust, moisture, and mechanical damage
- Supports continuous monitoring of vibration and rotor displacement
- Enhances reliability of machinery protection systems
- Reduces maintenance and recalibration requirements
Industrial Applications
- Steam turbines
- Gas turbines
- Hydroelectric turbines
- Centrifugal compressors
- Industrial pumps
- Electric motors
- Gearboxes
- Power generation plants
- Oil and gas processing facilities
- Petrochemical plants
Installation Guidelines
- Mount securely on machine casing or bearing housing
- Maintain correct probe-to-shaft clearance
- Route cables through threaded conduit connections
- Verify probe alignment before commissioning
- Confirm stable signal output in the monitoring system
- Follow standard industrial installation and safety procedures
Correct installation ensures long-term reliability and accurate measurements.
Compatible Components
- 3300 XL proximity probes
- Proximitor sensor systems
- Extension cables and connectors
- Machinery protection systems
- Turbine supervisory instrumentation (TSI) systems
- Industrial vibration monitoring platforms
Alternative Models
| Model | Description |
|---|---|
| 21000-28-05-20-051-04-02 | Standard 3300 XL probe housing assembly (this model) |
| 21000 Series Variants | Other mounting and configuration options |
| 24701 Series | Stainless steel housing assemblies |
| Compact Housing Assemblies | For space-constrained installations |
| Heavy-Duty Housing Assemblies | Designed for harsh industrial environments |
Key Advantages
- Rugged industrial-grade construction
- Accurate and stable probe positioning
- Protection against environmental and mechanical damage
- Supports precise vibration and displacement measurements
- Reduces maintenance and alignment efforts
- Fully compatible with 3300 XL systems
- Long operational service life
Technical FAQs
What is the purpose of this housing assembly?
It provides secure mounting, precise alignment, and protection for 3300 XL proximity probes.
Does the housing measure vibration itself?
No, the installed proximity probe performs measurements; the housing ensures proper positioning.
Which equipment typically uses this assembly?
Turbines, compressors, pumps, motors, and other critical rotating machinery.
Why is probe alignment important?
Proper alignment ensures reliable readings of vibration, displacement, and rotor position.
Is it suitable for harsh industrial environments?
Yes, it is designed for continuous operation in demanding industrial conditions.
Conclusion
The Bently Nevada 21000-28-05-20-051-04-02 Proximity Probe Housing Assembly is a robust, precision-engineered solution for mounting 3300 XL proximity probes. Its durable construction and accurate alignment capabilities make it essential for effective machinery protection and continuous condition monitoring.