Bently Nevada 21000-34-00-00-050-03-02 Proximity Probe Housing Assembly

Technical Specifications Breakdown

Key parameters for the 21000-34-00-00-050-03-02 are listed below for quick reference:

Industry Applications

Oil & Gas Refineries: Monitor compressor and pump shaft vibration in Class I, Division 1 areas. The 5.0 in probe penetration allows installation through thick vessel walls without sacrificing measurement accuracy.

Power Generation: Protect turbine supervisory instrumentation in steam and gas turbines. The CSA Type 4 enclosure withstands harsh washdown environments, reducing corrosion-related failures.

Chemical Processing: Use with 3300 XL 8 mm probes for continuous monitoring of agitators and blowers. The included cable seal grip accommodates multiple cable diameters, simplifying field wiring.

Installation & Setup Guidance

Mount the housing using the 3/4-14 NPT thread directly into a mating port or via the provided reducer. Ensure the probe tip extends 5.0 in beyond the housing face for proper gap setting. Select the appropriate cable grommet from the included set (1/8 to 3/16 in, 1/4 to 5/16 in, or 5/16 to 3/8 in) to maintain the environmental seal. Tighten the dome cover securely to maintain explosion-proof integrity.

Maintenance & Reliability

Periodically inspect the O-rings and cable seal grip for signs of wear or chemical attack. Replace grommets if they become brittle. Verify that the 304 stainless steel sleeve remains free of pitting in corrosive atmospheres. The aluminum body requires no routine lubrication, but keep mounting threads clean to ensure proper grounding.

Robust Protection for Critical Vibration Monitoring

Industrial rotating machinery demands reliable vibration monitoring to prevent costly unplanned downtime. The Bently Nevada 21000-34-00-00-050-03-02 Proximity Probe Housing Assembly provides a rugged, explosion-proof enclosure for 3300 XL 8 mm proximity probes in hazardous areas. By securing the probe in a sealed, CSA Type 4 rated housing, this assembly ensures consistent, accurate measurements that extend machine life and reduce maintenance expenses.

Cost-Effective Hazardous Area Compliance

Using this assembly eliminates the need for costly custom enclosures. The 21000-34-00-00-050-03-02 is available with CSA approvals for explosion-proof and intrinsically safe applications, meeting API 670 standards for externally mounted proximity probe housings. This pre-certified design reduces engineering time and certification expenses, speeding up project commissioning.

Compatibility & Integration

This assembly is designed for use with Bently Nevada 3300 XL 8 mm proximity probes with connector protector. The selectable hazardous area approvals allow integration into existing safety instrumented systems without additional barriers. The housing fits standard 3/4-14 NPT conduit connections, simplifying retrofit into older installations.

Selection Guide & Purchasing Advice

When ordering the 21000-34-00-00-050-03-02, verify that your probe cable length requirement is zero (probe cable not required). If a standoff adapter is needed, select a different suffix. AutoDCSTech stocks this assembly as new and original in factory packing with a 12-month warranty. Please verify current lifecycle status and availability before ordering.