Bently Nevada 21000-34-00-00-039-03-02 Proximity Probe Housing Assembly

Technical Specifications Breakdown

Key parameters for the 21000-34-00-00-039-03-02 are listed below for quick reference:

Industry Applications and Failure Prevention

By providing a sealed, explosion-proof enclosure, it prevents contamination and mechanical damage to the probe, reducing false readings and unplanned downtime. The CSA Type 4 rating ensures reliable operation in wet or dusty environments, while API 670 compliance guarantees compatibility with industry-standard vibration monitoring systems.

Installation and Setup Guidance

Mount the 21000-34-00-00-039-03-02 using the 3/4-14 NPT mounting thread. The included fitting kit provides a 3/4-14 NPT plug, a reducer to 1/2-14 NPT, and a cable seal grip with grommets for cable diameters from 1/8 to 3/8 inches. Ensure the probe sleeve is fully inserted and the dome cover is tightened to maintain the explosion-proof seal. For hazardous area installations, verify that the probe and housing approvals match your zone classification.

Maintenance and Reliability

Periodically inspect the housing for signs of corrosion or damage, especially in corrosive atmospheres. Check that all conduit connections remain tight and the cable seal grip is intact. The aluminum body with 304 stainless steel sleeve offers resistance to environmental stress, but regular visual inspections help ensure long-term reliability.

Robust Protection for Critical Vibration Monitoring

This assembly is engineered to house a 3300 XL 8 mm proximity probe with connector protector, providing a secure, explosion-proof enclosure for continuous machine health monitoring.

Compatibility and Integration

This housing is designed for use with Bently Nevada 3300 XL 8 mm proximity probes and is fully compliant with API 670 for externally mounted probe housings. It supports CSA hazardous area approvals and is rated as a CSA Type 4 enclosure. The assembly includes a reverse mount proximity probe and all necessary O-rings and thread seals for a complete installation.

Selection Guide and Purchasing Advice

When selecting a proximity probe housing, consider the probe penetration depth, mounting thread, and fitting requirements. The 21000-34-00-00-039-03-02 offers a 3.9-inch probe penetration with a 3/4-14 NPT mounting thread, making it suitable for many standard applications. AutoDCSTech stocks this assembly as new and original in factory packing with a 12-month warranty. Please verify current lifecycle status and availability with AutoDCSTech before ordering.