製品紹介
The Bently Nevada 21000-28-05-00-034-04-02 Proximity Probe Housing Assembly is part / the trusted 21000 series / sensor housings designed to protect and precisely position proximity transducers in critical rotating machinery applications. This model features a compact build and tight probe fit, making it especially suited for installations with limited space or specialized OEM machinery where precise alignment is still essential.
Constructed from corrosion-resistant stainless steel and designed to provide a secure, stable environment for the probe, the 21000-28-05-00-034-04-02 is widely used in turbomachinery, compressors, gearboxes, and industrial motors. Its ability to endure severe operating environments—while maintaining probe alignment integrity—makes it indispensable in asset monitoring and machinery protection systems.
The model’s combination / shorter body length, precision machining, and IP-rated protection ensures optimal signal fidelity and long operational lifespan / the probe even in the most hostile field conditions.
Technical Specifications
| Specification | Detail |
|---|---|
| モデル Number | 21000-28-05-00-034-04-02 |
| Series | 21000 Series |
| Product Type | Proximity Probe Housing Assembly |
| Material | 316 Stainless Steel |
| Probe Compatibility | Bently Nevada 3300 XL, 7200 Series |
| Mounting Type | Threaded insertion with locknut |
| Cable Entry | ½” NPT side entry |
| Sealing Method | Gasketed + O-ring |
| Environmental Rating | IP65 / NEMA 4 |
| Operating Temperature | -50°C to +177°C (-58°F to +350°F) |
| Shock Resistance | 100 g peak |
| Vibration Rating | Up to 20 g, 10–2,000 Hz |
| Housing Body Diameter | 83.3 mm |
| 重量 | 1.1 kg |
| Orientation | Fixed horizontal or custom mount |
| Field Serviceability | Field-replaceable probe access |
| Accessories | Locknut, optional mounting adapter or bracket |
| Compliance | CE, RoHS compliant |
Applications
The 21000-28-05-00-034-04-02 is used extensively in industries requiring high reliability, compact design, and robust protection for vibration monitoring systems. Some / the most common applications include:
-
Gas & Steam Turbines
Ideal for installations with minimal axial clearance near bearing housings or couplings. -
Compressors and Blowers
Facilitates probe mounting on compressor casings for vibration and position detection. -
Motors and Generators
Used on end bell or shaft housing locations in rotating electrical machinery. -
Gearboxes and Couplings
Enables proximity probe monitoring for misalignment, backlash, or shaft runout. -
OEM Skid-Based Machinery
Integrated into compact custom systems where space, vibration, and heat are critical factors. -
Pumps in Chemical Plants
Installed to provide early failure detection and enable condition-based maintenance (CBM).
Product Advantages
-
Compact Design for Tight Spaces
At just 34 mm in length, this housing fits in machinery with limited installation depth. -
Precision-Machined Stainless Steel
Ensures dimensional accuracy and resistance to harsh chemical or /fshore conditions. -
Optimized Signal Integrity
Maintains probe alignment, eliminating false readings due to mechanical looseness or misalignment. -
Reliable Sealing
Combines gasket and O-ring to prevent ingress / dust, oil, and moisture in industrial zones. -
High Vibration Tolerance
Withstands high-frequency vibration without probe displacement or signal degradation. -
Long-Term Durability
Built to endure temperature extremes, shock, and continuous vibration for over 10 years in the field.
よくある質問 (FAQ)
-
What is the housing length / model 21000-28-05-00-034-04-02?
The total length is 34 mm, making it one / the most compact options in the 21000 series. -
Can I use this housing with Bently Nevada 3300 XL proximity probes?
Yes, it is fully compatible with 3300 XL and 7200 series probes. -
What kind / cable entry does it support?
It features a ½” NPT side-entry port, which supports standard sensor cables with sealing glands. -
Is it suitable for outdoor or /fshore use?
Absolutely. It’s IP65-rated and made from stainless steel, /fering excellent corrosion resistance. -
What type / sealing does it use?
The assembly uses both gasket and O-ring sealing to ensure tight environmental protection. -
Is the housing field-serviceable?
Yes, the design supports on-site probe replacement without removing the entire assembly. -
Does the housing require any additional bracket for mounting?
Mounting brackets are optional and depend on the machine design; a locknut is included by default. -
Can this housing be mounted horizontally?
Yes, it supports both horizontal and custom mounting depending on probe configuration. -
What certifications does this product meet?
It meets CE and RoHS compliance for use in regulated environments. -
Is the housing electrically conductive or isolated?
The body is conductive stainless steel; electrical isolation is managed at the probe system level.
Related モデルs (Same Series or Similar Purpose)
| モデル Number | 説明 | Key Attributes |
|---|---|---|
| 21000-28-05-00-050-03-01 | Compact Housing, longer body | 50 mm length, ½” NPT entry |
| 21000-28-10-00-034-04-00 | Short-form housing for tight axial clearance | 34 mm, 10 mm body wall thickness |
| 21000-30-05-00-110-03-02 | Medium-length variant with extended probe range | 110 mm body, IP66 sealing |
| 21000-28-05-10-034-03-02 | OEM-configured housing with vertical mount option | 34 mm, vertical cable entry |
| 21000-18-05-00-144-02-02 | Standard housing for horizontal compressors | 144 mm body, high-pressure sealing |
| 21000-22-05-00-227-03-02 | Long-reach probe housing for turbines | 227 mm length, dual seal protection |
Popular Bently Nevada モデルs
| モデル Number | Function | 説明 |
|---|---|---|
| 330103-00-06-10-02-00 | Proximity Probe | 6 m cable, 8 mm tip, 3300 XL series |
| 330130-040-00-00 | Extension Cable | 40 ft, standard cable for 3300 XL system |
| 330180-91-05 | Proximitor Sensor | DIN-mounted Proximitor, 5 m system, used in 3500 systems |
| 3500/42M | Vibration Monitor | Dual-channel dynamic vibration monitor, rack-mounted |
| 3500/22M | TDI Module | Transient Data Interface module, connects via Modbus |
| 190501-00-00 | Seismic Vibration Sensor | Low-frequency casing-mounted transducer |
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