Bently Nevada 330801-16-10-110-06-02 PROXPAC XL Proximity Transducer

Description

Providing robust physical shielding for critical rotating machinery sensors, the Bently Nevada 330801-16-10-110-06-02 is a specialized PROXPAC XL proximity transducer housing assembly. This component protects and positions a 3300 XL 8 mm proximity probe directly through the casing of high-speed industrial machinery, enabling continuous, high-accuracy eddy current displacement and vibration measurements. Built to withstand extreme environmental stresses, this assembly isolates delicate sensor connections from chemical exposure, high moisture, and mechanical impacts in hazardous operating zones.

Features

• Integrated Proximity Probe: Equipped with a high-performance 3300 XL 8 mm transducer probe for non-contact shaft dynamic tracking.
• Machined Standoff Adapter: Features a 100 mm standoff configuration designed to set back the housing structure from hot or vibrating machine casings.
• Precise Probe Penetration: Engineered with a 110 mm penetration depth to ensure optimal proximity sensor positioning relative to the observed target.
• Industrial Conduit Connections: Outfitted with 3/4-14 NPT fittings, 1/2-14 NPT stainless steel reducers, and plugs for secure field wiring containment.

Applications

• Radial vibration and axial position tracking on steam or gas turbines.
• Structural casing and shaft relative displacement monitoring in large centrifugal compressors.
• Continuous machinery protection deployment on high-speed industrial pumps and gearboxes.
• Hazardous area plant asset instrumentation requiring robust mechanical protection of transducers.

Ordering Information

Technical Specifications

Empirical Engineering Insights

Alternative Models & Compatibility

This vintage PROXPAC model has been formally succeeded by the updated 330881-16-10-110-06-02 assembly. The replacement model maintains identical critical dimensional and mechanical interface footprints, allowing seamless field swaps. However, the legacy 330801 internal physical mounting tolerances should be verified if reusing custom field bushings or non-standard probe configurations.

Application Pitfalls & Engineering Notes

Ensure thread compounds applied to the 3/4-14 NPT mounting adapter are chemically compatible with machine casing fluids. Under high-temperature operations, local heating can cause mechanical binding inside the standoff adapter. Additionally, verify that the total insertion length (standoff + penetration) matches the design gap clearance to avoid mechanical contact with the rotating shaft during startup.

Commissioning & Wiring Tips

When routing coaxial cable from the internal 3300 XL probe through the conduit fittings, maintain a minimum bend radius of 25.4 mm (1.0 inch). Kinking or crushing the coaxial transmission line during tight packaging inside the PROXPAC housing will cause local impedance variations, directly degrading transducer measurement linearity and causing diagnostic errors in the connected proximitor monitor.

Installation Guidelines