Engineered Mounting Solution for High-Performance Machinery Monitoring
The Bently Nevada 21000-28-05-15-028-04-02 Proximity Probe Housing Assembly (3300 XL) is a precision-engineered housing assembly developed to provide secure installation and long-term protection for 3300 XL 8 mm proximity probes used in machinery protection systems. Designed to maintain probe alignment while shielding internal components from contaminants and mechanical stress, this assembly contributes to reliable vibration and shaft position measurements in critical rotating equipment.
This configuration includes a 3300 XL 8 mm proximity probe, a 0.5 m (20 in) integral probe cable, a 1.5-inch standoff adapter, and a 2.8-inch probe penetration, making it well suited for applications that require additional mounting clearance without sacrificing measurement accuracy. The assembly features an aluminum housing with a corrosion-resistant stainless-steel sleeve and a 3/4-14 NPT mounting thread for dependable installation across a wide range of industrial environments.
Technical Specifications
| Parameter | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21000-28-05-15-028-04-02 |
| Product Type | Proximity Probe Housing Assembly (3300 XL) |
| Compatible Probe | 3300 XL 8 mm Proximity Probe |
| Probe Cable Length | 0.5 m (20 in) |
| Standoff Adapter | 1.5 in (38 mm) |
| Probe Penetration | 2.8 in |
| Housing Material | Aluminum Housing with 304 Stainless Steel Probe Sleeve |
| Fitting Configuration | One 3/4-14 NPT Plug |
| Mounting Thread | 3/4-14 NPT |
| Installation | External Machinery Mounting |
| Dimensions | Approx. 215 × 72 × 72 mm |
| Weight | Approx. 1.60 kg |
Typical Applications
The 21000-28-05-15-028-04-02 is ideal for protecting proximity probe installations in demanding industrial environments.
- Steam Turbines
- Gas Turbine Packages
- Centrifugal Compressors
- Industrial Pumps
- Electric Motors
- Generators
- Blowers and Fans
- Oil & Gas Processing Plants
- Petrochemical Facilities
- Power Generation Stations
Technical FAQs
1. What is the primary purpose of the 21000-28-05-15-028-04-02?
It provides a protected mounting enclosure that securely positions a 3300 XL proximity probe for accurate shaft vibration and displacement monitoring.
2. Which probe configuration is included?
This model is configured with a 3300 XL 8 mm proximity probe and a 0.5 m (20 in) integral cable.
3. What is the function of the 1.5-inch standoff adapter?
The integrated standoff adapter provides additional installation clearance, allowing proper probe positioning on machinery with specific mounting requirements.
4. What does the 2.8-inch penetration indicate?
It defines the probe sleeve insertion depth into the bearing housing, making this assembly suitable for medium-depth installations.
5. Which mounting thread does this housing use?
The assembly utilizes a 3/4-14 NPT mounting thread for secure attachment to compatible machinery.
6. What materials are used in the housing assembly?
It features an aluminum housing combined with a 304 stainless-steel probe sleeve, providing excellent durability and corrosion resistance.
7. Is the housing suitable for harsh industrial environments?
Yes. It is engineered to withstand vibration, dust, moisture, and other demanding operating conditions encountered in continuous-process industries.
8. Which industries commonly use this assembly?
The housing is widely installed in oil and gas, petrochemical, power generation, mining, pulp and paper, marine, and other facilities utilizing rotating machinery.
9. What are the dimensions and weight?
The housing assembly measures approximately 215 × 72 × 72 mm and weighs approximately 1.60 kg, allowing efficient installation where moderate probe penetration is required.
10. Why choose the 21000-28-05-15-028-04-02?
Its robust construction, integrated standoff adapter, dependable environmental protection, and compatibility with the proven 3300 XL monitoring platform make it an excellent choice for enhancing machinery reliability and reducing maintenance costs.
A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
