Bently Nevada 21000-00-00-00-087-03-02 Proximity Probe Housing Assembly for Hazardous Areas

Technical Specifications Breakdown

Key parameters for the 21000-00-00-00-087-03-02 are listed below for quick reference:

Critical Application in Rotating Machinery Protection

This housing assembly is purpose-built for externally mounted proximity probes per API 670 Standard. The 8.7-inch probe penetration allows precise clearance measurement in large bearing housings or casings. The included 3/4-14 NPT fitting and reducer simplify integration with existing conduit systems. By using this assembly, engineers eliminate the risk of probe damage from environmental contaminants while maintaining intrinsic safety.

Installation Guidance for Hazardous Locations

When installing the 21000-00-00-00-087-03-02, ensure all conduit connections are properly sealed to maintain the explosion-proof rating. The cable seal grip accommodates multiple cable diameters (1/8 to 3/8 inches) for flexibility. Use the provided 3/4-14 to 1/2-14 NPT SST reducer when connecting to smaller conduit. Always verify that the housing is grounded per local codes. The aluminum body with stainless steel sleeve resists corrosion in petrochemical environments.

Maintenance and Reliability Considerations

Periodically inspect the O-rings and dome cover seal for wear or damage. The CSA Type 4 enclosure protects against water ingress and dust. For T5 rated environments (up to +40°C), ensure ambient temperature does not exceed limits. The housing requires no routine internal servicing, but verify that all fittings remain tight after vibration exposure.

Engineered for Hazardous Area Vibration Monitoring

Consider a refinery where continuous vibration monitoring of critical rotating machinery is non-negotiable. Standard enclosures fail in explosive atmospheres, risking safety and downtime. The Bently Nevada 21000-00-00-00-087-03-02 Proximity Probe Housing Assembly directly addresses this challenge. It provides a robust, certified solution for mounting proximity probes in Class I Division 1 and 2 hazardous areas, ensuring reliable machinery protection without compromising safety.

Compatibility and Integration

This assembly is designed for use with Bently Nevada proximity probes and systems. It supports both standard and hazardous area approved probes. The 21000 model is fully compliant with API 670 for externally mounted housings. For North American end users, the CA21000 variant is available; for other regions, the standard 21000 is required.

Selection Guide and Purchasing Advice

When ordering the 21000-00-00-00-087-03-02, confirm the probe penetration length matches your machine’s dimensions. The suffix codes indicate that probe and cable are not included (00 options), so order them separately. This assembly is new and original in factory packing with a 12-month warranty. Please verify current lifecycle status and availability with AutoDCSTech before ordering.