Product Overview
When vibration monitoring reliability matters, the Bently Nevada 21000-28-05-00-064-04-02 Proximity Probe Housing Assembly delivers precision and durability. This industrial automation module is engineered for hazardous environments, providing a secure mounting solution for a 3300 XL 8 mm proximity probe. The 21000-28-05-00-064-04-02 features an aluminum body with a 304 stainless steel sleeve, ensuring corrosion resistance and long service life. It includes a dome cover, threaded conduit ports, O-rings, a reverse mount probe, and a thread seal—everything needed for robust installation.
Technical Specifications
The Bently Nevada 21000-28-05-00-064-04-02 is built to exacting standards. Key specifications include:
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Probe Option: 3300 XL 8 mm probe with connector (selectable hazardous area approvals)
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Probe Cable Length: 0.5 m (20 in)
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Standoff Adapter: None (00)
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Probe Penetration: 6.4 in (064)
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Fitting Option: One 3/4-14 NPT plug only (04)
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Mounting Thread: 3/4-14 NPT (02)
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Material: Aluminum body with 304 stainless steel sleeve
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Maximum (C) + (D) Dimension: 13.5 in (34.3 mm) with 0.5 m cable (probe P/N and S/N not visible)
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Weight: 1.1 kg (2.4 lb) typical, without fittings
These specifications ensure precise fit and reliable operation in demanding industrial settings. The 21000-28-05-00-064-04-02 is CSA certified for explosion-proof applications and fully compliant with API 670 standards for externally mounted proximity probe housings.
Industry Applications
The Bently Nevada 21000-28-05-00-064-04-02 is ideal for rotating machinery monitoring in sectors such as oil and gas, power generation, and manufacturing. Use it to mount proximity probes on compressors, turbines, pumps, and motors. The 21000-28-05-00-064-04-02 supports selectable hazardous area approvals, making it suitable for Class I, Divisions 1 and 2, Groups C and D, as well as Class II and Class III environments. Its CSA Type 4 enclosure rating ensures protection against water and dust ingress, enhancing reliability in harsh conditions.
Installation & Setup
Proper installation of the 21000-28-05-00-064-04-02 is straightforward. Start by verifying the mounting thread (3/4-14 NPT) matches your machine's port. The housing includes threaded ports for conduit connections; use appropriate fittings. Secure the probe sleeve to achieve the required probe penetration of 6.4 inches. Ensure the dome cover is tightened to maintain the enclosure rating. For non-incendive operation, connect the circuit per drawing 140979. Always follow the manufacturer's guidelines for torque and positioning.
Maintenance & Reliability
Routine inspection of the 21000-28-05-00-064-04-02 ensures long-term reliability. Check the O-rings and thread seal for wear during scheduled maintenance. The aluminum body and stainless steel sleeve resist corrosion, but periodic cleaning of the mounting area is recommended. Verify that the conduit connections remain tight to preserve the explosion-proof rating. With proper care, this housing assembly provides years of dependable service, minimizing downtime and maintenance costs.
Buying Guide
When ordering the Bently Nevada 21000-28-05-00-064-04-02, confirm the suffix codes match your requirements. This model includes a 0.5 m probe cable, no standoff adapter, and one 3/4-14 NPT plug. Ensure your system uses a 3300 XL 8 mm probe with connector. For North American end users, CA housings are available; for other regions, the standard 21000 housing is required. PLC Source PRO offers this unit new in factory packing with a 12-month warranty. Choose PLC Source PRO for authentic, ready-to-ship industrial automation parts.