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- Bently Nevada
- 21000, 24701, and 164818 ProbeHousing Assemblies
- 21000-34-05-00-056-04-02
In Stock
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 21000-34-05-00-056-04-02
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Product Model21000-34-05-00-056-04-02
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Product ParametersProximity Probe HousingAssemblies
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size30.5x8.5x8.5cm
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ManufacturerBently Nevada
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Weight1.05 kg
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Probe with Connector3300 XL 8mm probe with connectorprotector, selectable hazardous areaapprovals
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Probe Cable Length0.5 m (20 in)
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Standoff AdapterNo standoff adapter
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Probe Penetration5.6 in
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FittingsOne 3/4-14 NPT plug only
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Mounting Thread3/4-14 NPT
Description
The BENTLY NEVADA 21000-34-05-00-056-04-02 Proximity Probe Housing Assembly is for the external installation of a compatible proximity probe on rotating machinery. The housing protects and supports the probe while allowing the probe to be installed through the machine casing for vibration and position monitoring applications.
The 21000-34-05-00-056-04-02 is configured with a 3300 XL 8 mm proximity probe with connector protector. This configuration is suitable for installations requiring a protected probe connection and is commonly used for non-contact measurement of shaft vibration and Keyphasor signals.
The -05 option specifies a 0.5 m / 20 in probe cable length. The -00 option specifies no standoff adapter, while the -056 option specifies a 56 mm probe penetration length. These dimensions must match the machine casing, mounting location, and required probe position.
The -04 option specifies one 3/4-14 NPT plug, and the final -02 option specifies a 3/4-14 NPT mounting thread. The housing assembly therefore provides the required threaded interface for external mounting and cable/conduit management in the specified installation configuration.
The 21000-34-05-00-056-04-02 is configured with a 3300 XL 8 mm proximity probe with connector protector. This configuration is suitable for installations requiring a protected probe connection and is commonly used for non-contact measurement of shaft vibration and Keyphasor signals.
The -05 option specifies a 0.5 m / 20 in probe cable length. The -00 option specifies no standoff adapter, while the -056 option specifies a 56 mm probe penetration length. These dimensions must match the machine casing, mounting location, and required probe position.
The -04 option specifies one 3/4-14 NPT plug, and the final -02 option specifies a 3/4-14 NPT mounting thread. The housing assembly therefore provides the required threaded interface for external mounting and cable/conduit management in the specified installation configuration.
Information
Overview
Manuals
Application Notes
Product Applications
Mechanical Insertion
Features:
- A dome cover that screws into the body of the housing
- Threaded ports for conduit connections
- O-rings
- A reverse mount proximity probe
- A thread seal
- Optional conduit fittings
The 21000 aluminum housing is designed for external proximity probe installation and is compliant with API 670 requirements for externally mounted proximity probe housings. The housing family is also available with applicable CSA approvals and hazardous-area configurations. The exact certification should be verified against the complete ordered configuration and installed transducer system.
The 21000-34-05-00-015-04-02 Bently Nevada Proximity Probe HousingAssemblies may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-34-05-00-015-04-02 Proximity Probe HousingAssemblies Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
You can order hazardous area approvedproximity probes with 21000 aluminum and24701 stainless steel housings for intrinsicallysafe applications. Both housings are certifiedas CSA Type 4 enclosures and are fullycompliant with the American PetroleumInstitute's (API) 670 Standard for externallymounted proximity probe housings.The 164818 Compact Proximity Probe Housing isalso available for applications with spacerestrictions. Ceramic capped probes areavailable with the 164818 housing.Sleeve length is determined by the location inwhich the probe and housing are installed. Theprobe lead must be longer than the sleeve.Sleeve lengths longer than 304 mm (12 inches)require additional sleeve support to reduce thevibration associated with unsupported longsleeve lengths.
- Power Generation: Monitors turbine vibration, generators, and large cooling pumps continuously
- Oil/Gas/Petrochemical: Tracks compressor health on rigs, refineries, and pipelines
- Water/Wastewater: Connects seismic sensors to BOP machinery to prevent mechanical failures
- Pulp/Paper/Heavy Manufacturing: Used in machinery diagnostics exposed to chemical washdowns or moisture
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Penetration Depth: Insert the 5.6-inch (056) stainless steel probe sleeve smoothly into the machine case bore without side-loading the tip.
Thread Sealing: Use appropriate thread sealant or O-rings on the 3/4-14 NPT mounting thread (-02) to secure the aluminum housing body firmly onto the equipment port.
Gap Adjustment: Rotate the reverse-mount probe inside the sleeve to set the correct initial electrical gap (typically -1.25 VDC to -1.5 VDC or roughly 1.27 mm / 45 mils from the shaft) before locking the locknut.
Alternative Names
21000-34-05-00-056-04-0Z
21000-34-05-00-056-04-O2
21000-34-05-00-056-O4-02
21000-34-05-00-O56-04-02
21000-34-05-OO-056-04-02
21000-34-O5-00-056-04-02
2I000-34-05-00-056-04-02
21000-34-05-00-056-04-01
21000-34-05-00-056-04-04
21000-34-05-00-056-04-CN
Technical notes
The Bently Nevada 21000 Series uses an all-metal construction, with the 21000 housing consisting of an aluminum body and stainless-steel probe sleeve. The housing assembly includes a dome cover, threaded conduit ports, probe sleeve, O-rings, reverse-mount proximity probe, thread seal, and applicable fittings or standoff components depending on the ordering configuration.
FAQs
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Can this configuration be used for API 670 applications?
+Yes. This assembly is fully compliant with the American Petroleum Institute (API) 670 Standard for externally mounted proximity probe housings. -
What is the total nominal penetration length?
+Because Option C is 00 (no standoff adapter), the overall sleeve reach into the machine casing relies solely on Option D: exactly 5.6 inches (142 mm). -
Can I adjust the sensor gap after the assembly is mounted?
+Yes. The housing allows you to adjust the penetration depth by ±0.5 inches (±13 mm) during final gapping, letting you establish the correct voltage baseline without dismantling the machine. -
What are the thread specifications for physical mounting?
+The process mounting thread that screws into the machine case is a 3/4-14 NPT connection
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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