Product Overview
When asset reliability matters most, the Bently Nevada 21000-34-00-15-028-04-02 provides a robust housing solution for 3300 XL 8 mm proximity probes. This Industrial Automation Module is engineered for externally mounted vibration monitoring in rotating machinery, delivering consistent performance in demanding environments.
Part of the trusted 21000 series, this assembly combines an aluminum body with a 304 stainless steel sleeve, ensuring durability and corrosion resistance. The 21000-34-00-15-028-04-02 is CSA certified as explosion-proof and meets API 670 standards, making it a reliable choice for hazardous area installations.
Technical Specifications
The Bently Nevada 21000-34-00-15-028-04-02 is built to precise specifications for demanding industrial applications. Key parameters include:
| Specification |
Value |
| Probe Option |
3300 XL 8 mm probe with connector protector |
| Standoff Adapter |
1.5 in |
| Probe Penetration |
2.8 in |
| Fitting Option |
One 3/4-14 NPT plug |
| Mounting Thread |
3/4-14 NPT |
| Probe Cable Length |
Not required |
| Material |
Aluminum body with 304 stainless steel sleeve |
| Maximum (C) + (D) with visible probe (P/N and S/N) |
17.0 in (43.18 cm) |
| Maximum (C) + (D) Dimension |
32.9 in (83.5 cm) |
| Weight (without fittings) |
1.1 kg (2.4 lb) typical |
These specifications ensure precise probe positioning and reliable signal integrity, critical for accurate vibration monitoring.
Industry Applications
The Bently Nevada 21000-34-00-15-028-04-02 excels in applications where machinery health is paramount. Typical use cases include:
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Turbo machinery monitoring: Mount on compressor and turbine casings to track shaft vibration and prevent unplanned downtime.
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Pump and motor protection: Detect early signs of bearing wear or misalignment, enabling predictive maintenance.
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Hazardous area installations: With CSA explosion-proof certification, this housing is suitable for environments with flammable gases or vapors.
Its compliance with API 670 ensures seamless integration into existing condition monitoring systems.
Installation & Setup
Proper installation is key to maximizing the performance of the 21000-34-00-15-028-04-02. Follow these guidelines:
- Verify the mounting thread (3/4-14 NPT) matches your installation point.
- Use the included 3/4-14 NPT plug for unused ports to maintain enclosure integrity.
- Ensure the standoff adapter (1.5 in) is correctly positioned to achieve the required probe penetration (2.8 in).
- Route the probe cable carefully to avoid strain on the connector protector.
Always refer to the product manual for torque specifications and hazardous area installation requirements.
Maintenance & Reliability
Routine inspection of the Bently Nevada 21000-34-00-15-028-04-02 ensures long-term reliability. Check the O-rings and thread seals periodically for wear, and confirm the dome cover is securely tightened. The aluminum and stainless steel construction resists corrosion, but in harsh environments, visual inspections every 6-12 months are recommended.
By maintaining the housing, you extend the life of the proximity probe and avoid costly machine downtime.
Selection Guide
When selecting a replacement housing, verify that the part number 21000-34-00-15-028-04-02 matches your existing configuration. Consider the probe cable length, standoff adapter, and fitting options to ensure compatibility with your monitoring system. For expert assistance, PLC Source PRO offers genuine Bently Nevada parts with factory warranty.