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The 21000-00-00-60-028-02-02 is an aluminum proximity probe housing assembly belonging to the 21000 series, complying with the API 670 standard and CSA Type 4 certification. This configuration does not include an internal sensor probe or a probe cable. The physical composition includes a hollow aluminum housing body, a screw-in dome cover, a 6.0-inch standoff adapter, and a 304 stainless steel sleeve providing a penetration depth of 2.8 inches into the machine casing. The interface components include one 3/4-14 NPT metal plug conduit fitting and utilize a 3/4-14 NPT base mounting thread to connect with the machine casing.
A reverse mount proximity probe
A probe sleeve of optional length
A dome cover that screws into the body of the housing
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 670 Standard for externally mounted proximity probe housings.
Bently Nevada 21000-00-00-60-028-02-02 fastens to the bearing housing via the 3/4-14 NPT base thread. The hollow cavity and 2.8-inch sleeve accommodate a separate reverse-mount 8mm probe. The 6.0-inch standoff adapter extends the housing body away from confined or high-temperature areas. O-rings seal the dome cover, plug, and joints to block moisture, oil, and dust]. This sealing structure maintains signal stability, rendering the assembly applicable for dangerous areas with vibration, corrosion, and explosion risks.
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.
Oil and Gas Refining
Installed on the bearing housings of large centrifugal and rich gas compressors in refinery fluid catalytic cracking units to monitor shaft radial vibration and axial displacement online.
Thermal Power Plants
Deployed on the high-temperature bearing pedestals of main steam turbine generator sets, large boiler feed pumps, and induced draft fans to collect non-contact shaft mechanical vibration signals in real time.
Hydroelectric Power Plants
Used for vertical or horizontal bearing shaft monitoring of hydro-generator units, protecting probe cable connectors from moisture ingress in extremely damp turbine pit environments.
Oil and Gas Pipelines
Installed on the rotors of main steam turbines, main feed pumps, and condensate pumps in conventional islands, working with Proximitors to convert mechanical displacement into standard voltage signals.
Ironmaking and Metallurgical Blast Furnaces
Deployed on blast furnace top gas energy recovery turbine (TRT) power generation units and blast furnace blower sets to withstand severe environmental mechanical vibration and dust accumulation in metallurgical workshops.
Mining and Mineral Processing
Used for shaft bearing monitoring of large ball mill and semi-autogenous (SAG) mill main gearboxes and high-power exhaust fans, preventing heavy mine dust and slurry from entering the probe.
During installation and maintenance, it is critical to ensure a full 5 to 7 turns of thread engagement on the main 3/4-14 NPT thread, applying high-strength thread sealant to suppress high-frequency vibration and prevent loosening. When replacing the probe online or offline, strict care must be taken to avoid kinking or twisting the delicate internal coaxial cable, and the O-ring seal must be inspected and lubricated every time the dome cover is reassembled to maintain long-term, reliable water and oil-mist sealing to IP66/CSA Type 4 standards.
21000-00-00-60-028-02-02 features a standard 3/4-14 NPT tapered pipe thread for connecting the housing assembly to the machine bearing housing or casing. To enhance installation rigidity and suppress high-frequency machine vibration, Bently Nevada utilizes a precision-machined, extended thread length that ensures a full 5 to 7 turns of thread engagement.
This component is a Bently Nevada 21000 series aluminum proximity probe housing assembly
Does the 21000-00-00-60-028-02-02 contain a sensor probe and cable?
No. The prefix option codes -00-00 specify that no probe or probe cable is pre-installed.
What specification of conduit fittings is configured on the 21000-00-00-60-028-02-02?
Code -02 represents that the conduit outlet is configured with only one 3/4-14 NPT metal plug.
How many parts do you have in stock?
We have an extensive stock base consisting of ten thousands of new and discontinued automation parts including those from leading manufacturers such as:Control Systems (DCS, PLC, CNC) ,Panel Controllers,HMI and Display Panels,Drives,Encoders and Resolvers,Power Supplies.
Do you offer global delivery services?
yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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