Bently Nevada 21000-00-00-15-030-04-02 Proximity Probe Housing Assemblies

Description

The 21000-00-00-15-030-04-02 is a specific configuration of the Bently Nevada 21000 series proximity probe housing assembly, designed for industrial rotating machinery monitoring. This assembly features an aluminum body with a 304 stainless steel sleeve, configured here with Option 00 (Probe not required), Option 15 (1.5 in standoff adapter length), Option 030 (3.0 in probe penetration), and Option 04 (One 3/4-14 NPT plug). This housing is built to comply with API 670 standards for externally mounted proximity probe housings, ensuring consistent, reliable protection for sensor components in heavy-duty environments.

The 21000 series is engineered to provide a robust environmental enclosure for eddy-current probes, protecting them from process fluids and mechanical damage. The inclusion of the 3/4-14 NPT plug (Option 04) facilitates conduit installation while maintaining seal integrity. Users should note that for probe penetration lengths between 1.0 and 2.0 inches, case counter-boring may be required to mitigate side-view effects. When selecting this assembly, the combination of Standoff Adapter (Option C) and Probe Penetration (Option D) dimensions determines the overall effective length and installation fit.

Features

• Body Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance and structural integrity
• Standoff Adapter Length (Option 15): 1.5 in (38 mm) minimum length
• Probe Penetration (Option 030): 3.0 in nominal penetration
• Fittings (Option 04): Includes one 3/4-14 NPT plug
• Mounting Thread (Option 02): 3/4-14 NPT mounting thread
• API 670 Compliant: Designed for exterior proximity probe mounting applications
• System Compatibility: Compatible with standard Bently Nevada 3300 XL and NSv proximity transducer systems

Applications

• Hydrocarbon processing and refining
• Power generation and turbine monitoring
• Oil and gas centrifugal compressor protection
• General industrial rotating machinery, including pumps and fans
• Hazardous area applications (refer to system-specific approval documentation)

Ordering Information

Technical Specifications

Installation Guidelines

Ensure that the probe lead is longer than the selected sleeve length. For installations where the probe penetration length (C + D) exceeds 300 mm (12 in), additional sleeve support is required to prevent resonance-induced vibration. Ensure all NPT threads are properly sealed to maintain environmental protection ratings. When utilizing 3/4-14 NPT explosion-proof fittings or plugs, ensure correct torque is applied to maintain the enclosure integrity.