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Product Introduction
The Bently Nevada 21000-28-05-00-053-04-02 Proximity Probe Housing Assembly is a robust, field-proven solution engineered to protect and mount proximity transducers in challenging industrial environments. Designed as part of the 21000 Series, this housing assembly ensures optimal sensor alignment, stability, and protection, which are essential for accurate machine condition monitoring.
This assembly is commonly used with Bently Nevada proximity transducers to monitor shaft vibration, position, and phase reference in rotating machinery. It features a rugged stainless steel or aluminum enclosure (material varies by variant), multiple conduit entry points, and a modular design for easy installation and maintenance.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 21000-28-05-00-053-04-02 |
| Product Type | Proximity Probe Housing Assembly |
| Series | 21000 Series |
| Material | 316 Stainless Steel (Standard), optional Aluminum |
| Probe Mounting | Radial or axial insertion support |
| Cable Entry Ports | 2x ½” NPT conduit entries |
| Connector Compatibility | Fits Bently Nevada 3300, 7200, and 5mm/8mm probes |
| Ingress Protection (IP) | IP65 or higher (when properly sealed) |
| Operating Temperature | -40°C to +100°C |
| Mounting Method | Flange or threaded mounting holes |
| Environmental Resistance | Oil, moisture, dust, and vibration resistant |
| Weight | 1.1 kg |
| Housing Body Diameter | 83.3 mm |
Product Applications
The 21000-28-05-00-053-04-02 Housing Assembly is used in a wide variety of industrial monitoring systems, especially in critical rotating equipment. Common application sectors include:
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Turbomachinery: Steam and gas turbines, compressors, pumps.
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Petrochemical Industry: Monitoring compressors in refineries and gas processing.
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Power Generation: Used in generator and turbine bearing vibration monitoring.
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Pulp and Paper Mills: Mounted on critical rolls and rotating equipment.
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Mining and Metals: Installed on crushers and conveyors with high vibration.
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Marine and Naval Engineering: For shaft position monitoring in propulsion systems.
This housing protects the sensitive probe and extension cable from dust, oil ingress, thermal expansion, and mechanical damage, ensuring data integrity in high-vibration environments.
Product Advantages
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Rugged Protection: Durable enclosure shields transducer systems from environmental damage and mechanical impact.
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Versatile Compatibility: Works with multiple Bently Nevada probe models and cable configurations.
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Easy Maintenance Access: Allows technicians to service or replace probes without removing the housing.
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Efficient Cable Routing: Multiple cable entry ports and internal guides reduce installation complexity.
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Field Proven: Used extensively across industries with proven long-term reliability.
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Customizable Options: Available in different lengths, thread types, and conduit configurations to suit site-specific requirements.
Frequently Asked Questions (FAQ)
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Q: What probe types are compatible with the 21000-28-05-00-053-04-02 housing?
A: This housing supports most Bently Nevada 5mm, 8mm, and 11mm proximity probes, including 3300 and 7200 series. -
Q: Can this housing be installed in a hazardous (explosive) area?
A: Yes, when paired with certified probes and cables, the housing is suitable for Class I Div 2 and ATEX-rated environments. -
Q: Is the housing resistant to oil and water ingress?
A: Yes, when properly sealed and installed, it meets IP65 or higher standards. -
Q: What mounting options are available?
A: The unit can be mounted using flange mounts or threaded bases, depending on the application. -
Q: Can I replace the probe without dismounting the housing?
A: Yes, the design allows for easy probe replacement while keeping the housing in place. -
Q: What is the material of the housing?
A: Standard is 316 stainless steel, but variants are available in anodized aluminum for lighter installations. -
Q: What length of extension cable is supported?
A: It supports standard Bently Nevada extension cables, typically up to 9 meters (30 feet). -
Q: How many conduit entry ports does it have?
A: The standard model includes two ½” NPT conduit entry ports. -
Q: Can this housing be used in vertical installations?
A: Yes, it can be installed in both vertical and horizontal configurations. -
Q: Does the housing provide EMI/RFI shielding?
A: Yes, when properly grounded, the housing assists in shielding against EMI/RFI interference.
Related Models in the Same Series
| Model | Description | Material | Mounting Type |
|---|---|---|---|
| 21000-28-05-00-052-04-02 | Similar housing with alternate probe depth | 316 SS | Flange |
| 21000-28-05-00-050-04-02 | With single conduit entry | 316 SS | Flange or threaded |
| 21000-28-06-00-053-04-02 | Extended probe length for deep insertion | 316 SS | Flange |
| 21000-29-05-00-053-04-02 | Aluminum variant for lighter installations | Aluminum | Flange |
| 21000-28-07-00-053-04-02 | Modified cable routing for compact spaces | 316 SS | Flange |
| 21000-30-05-00-053-04-02 | Designed for vertical probe alignment | 316 SS | Vertical mount flange |
Popular Models from the Same Brand (Bently Nevada)
| Model | Description | Function | Application |
|---|---|---|---|
| 3300 XL 8mm Probe | Eddy current proximity transducer | Shaft vibration monitoring | Turbines, compressors |
| 3500/22M | Transient Data Interface Module | Condition monitoring interface | 3500 Series System |
| 3500/42M | Proximitor Monitor | Monitors shaft vibration | General machinery monitoring |
| 330130-040-00 | Proximity Probe Extension Cable | Signal extension | Probe systems |
| 3500/15 | Power Supply Module | Provides power to monitoring | 3500 System |
| 7200 5mm Probe | Standard probe in older systems | Vibration monitoring | Legacy machine protection systems |
