21000-34-05-30-30-01-02 | Bently Nevada | Proximity Probe Housing Assemblies

Product Overview

21000-34-05-30-30-01-02 is a Bently Nevada proximity probe housing assembly engineered for secure installation of 3300 XL 8 mm probes in hazardous and high vibration industrial environments. This assembly supports applications in oil refineries, gas compression stations, and power generation units where reliable shaft vibration monitoring is critical. It integrates mechanical protection, environmental sealing, and stable probe positioning within a single enclosure. The explosion proof fitting enhances operational safety in potentially explosive atmospheres. Engineers use this housing assembly to improve measurement reliability and reduce maintenance frequency. Its robust configuration ensures long term performance under mechanical stress, temperature variation, and contamination exposure.

Suffix Breakdown

The model code defines the mechanical configuration and installation options:

• 34 = 3300 XL 8 mm probe with connector protector and multiple approvals

• 05 = Probe cable length 0.5 metre

• 30 = Standoff adapter length 3.0 in

• 30 = Probe penetration 3.0 in

• 01 = One explosion proof fitting and one plug

• 02 = 3/4-14 NPT mounting thread

This structured configuration ensures correct installation depth, mechanical protection, and compliance with hazardous area requirements.

Technical Specifications

Technical FAQs

What is the main purpose of this housing assembly?
It protects proximity probes and ensures stable mounting in harsh industrial environments.

Is this assembly suitable for hazardous areas?
Yes. It includes explosion proof fittings for use in potentially explosive environments.

Can it be used with all 3300 XL probes?
It is designed specifically for 3300 XL 8 mm probe configurations.

What installation issue may affect performance?
Incorrect probe penetration depth or poor sealing may lead to inaccurate readings.

Engineering & Installation Guide

Ensure proper thread engagement using suitable sealant to prevent leakage in hazardous environments.
Verify probe alignment and penetration depth during installation to maintain accurate signal output.
Tighten explosion proof fittings according to specified torque to ensure safety compliance.