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The 21000-16-05-00-033-04-02 is a key mechanical component in rotating machinery condition monitoring systems, specifically designed for the external installation, protection, and adjustment of eddy current displacement probes. The biggest advantage of this component is that it allows technicians to replace internal probes and adjust clearances without shutting down the machine or disassembling the bearing housing.
O-rings
A reverse mount proximity probe
A probe sleeve of optional length
The 21000, 24701, and 164818 Proximity Probe Housing Assemblies are available with Canadian Standards Association (CSA) approvals. They are rated explosion proof for hazardous areas. You can order hazardous area approved proximity probes with 21000 aluminum and 24701 stainless steel housings for intrinsically safe applications. Both housings are certified as CSA Type 4 enclosures and are fully compliant with the American Petroleum Institute's (API) 670 Standard for externally mounted proximity probe housings.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Protecting sensors monitoring axial thrust to prevent high-temperature oil mist from corroding connectors.
Air Separation
Enabling replacement of damaged vibration probes without machine shutdown, reducing unplanned downtime.
Natural Gas
Providing rugged mechanical protection for units at remote unmanned stations against external impacts.
Nuclear Power
Providing stable, easy-to-maintain sensor mounting interfaces for nuclear island auxiliary equipment.
Metallurgy
Ensuring probe connectors maintain IP66-rated sealing in dusty industrial environments.
When using the 21000-16-05-00-033-04-02 housing, the focus should be on sealing reliability and adjustment precision, before installation, verify that the O-rings are intact and apply appropriate grease to prevent oil leakage. It must be paired with a reverse mount probe, and the probe gap should be accurately calibrated via the external adjustment sleeve, followed by tightening the set screws to prevent loosening during operation. Additionally, periodically inspect the aluminum body for corrosion and check the cable outlet seals to maintain explosion-proof and watertight integrity in hazardous areas.
It is an External Proximity Probe Housing Assembly manufactured by Bently Nevada, used to mount and protect proximity probes from outside the machine.
Does the 21000-16-05-00-033-04-02 include a probe?
No. This is only a mechanical housing assembly; the internal probe must be purchased separately based on measurement needs.
How to install the 21000-16-05-00-033-04-02?
Install the housing body onto the machine's probe port via the bottom NPT threads (e.g., 3/4-14 NPT).
Does the 21000-16-05-00-033-04-02 require regular maintenance?
Maintenance primarily involves checking the O-ring seals periodically to prevent oil seepage.
What type of probe is suitable for the 21000-16-05-00-033-04-02?
It is specifically designed to be used with "Reverse Mount" probes.
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