Bently Nevada 21000-16-05-00-050-04-02 Proximity Probe Housing Assemblies

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Here is the information about Bently Nevada 21000-16-05-00-050-04-02

Product Description

To externally mount proximity probes, use one of these all-metal Proximity Probe Housing Assemblies: 21000 aluminum probe housing assembly, 24701 stainless steel probe housing assembly .The 21000, 24701, and 164818 Proximity Probe Housing Assemblies consist of the following parts:  A dome cover that screws into the body of the housing； Threaded ports for conduit connections；A probe sleeve of optional length；O-rings；A reverse mount proximity probe；A thread seal；Optional conduit fittings；An optional standoff adapter.

Application 

Petroleum Refining Plants: Used for crankcase monitoring of large reciprocating compressors, where 5.0-inch depth allows the probe to pass through complex machine structures.

Large Hydropower Plants: Installed on turbine generator bearing housings, using stainless steel sleeves to resist moisture and enable axial displacement monitoring.

Steel Metallurgy Plants: Applied in large blower bearing systems, protecting probes from high-temperature dust and metal particle impact.

Natural Gas Processing Plants: Used for remote unit vibration monitoring, where an integrated housing design simplifies compliance in hazardous environments.

Heavy Machinery Manufacturing Plants: Installed on large marine engine or gearbox test benches, providing stable positioning and mechanical support for precision probes.

Frequently Asked Questions

Q: Can the 5.0-inch penetration depth of the 21000-16-05-00-050-04-02 be finely adjusted on-site?
A: Basic depth is fixed, but fine gap tuning is possible via threaded insertion depth and bracket adjustment.

Q: Why does the 21000-16-05-00-050-04-02 use an aluminum + stainless steel composite instead of full stainless steel?
A: It reduces weight while keeping corrosion and wear resistance at critical contact surfaces.

Q: How is the 0.5 m probe cable protected inside the 21000-16-05-00-050-04-02?
A: A built-in cavity routes the cable internally to prevent chemical and mechanical damage.

Q: Can additional corrosion protection be applied to the 21000-16-05-00-050-04-02 in harsh environments?
A: Yes, anodized housing is standard, and sealing reinforcement is recommended for the NPT interface in extreme conditions.

Q: Does removing the Standoff Adapter affect vibration resistance of the 21000-16-05-00-050-04-02?
A: No. The shorter lever arm actually improves structural stability under high-frequency vibration.

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