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      Bently Nevada 21000-28-05-00-056-04-02
      Bently Nevada 21000-28-05-00-056-04-02

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      21000 proximity probe housing assembly

      21000-28-05-00-056-04-02

      Product Information:

      21000-28-05-00-056-04-02 is a Bently Nevada aluminum proximity probe housing assembly for externally mounting a 3300 XL 8 mm probe. Option -28 specifies the 8 mm probe with selectable hazardous-area approvals and option -05 specifies a 0.5 m probe cable. The configuration has no standoff adapter and a 5.6 in probe penetration. It includes one 3/4-14 NPT plug only and uses a 3/4-14 NPT housing mounting thread. The 21000 assembly uses an aluminum body with a 304 stainless steel sleeve and is compliant with API 670 requirements for externally mounted proximity probe housings. Its typical mass is 1.1 kg without fittings.
      Product image is representative; revision or series may vary. Contact us to request a specific version.
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      Technical specifications for

      21000-28-05-00-056-04-02

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        Bently Nevada
      • Product Category:
        Sensor
      • Estimated shipping dimensions:
        8.33 x 16.16 x 14.22 cm
      • Weight:
        1.1 kg
      • Tariff Code:
        9031900090
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Product Type:
        21000 proximity probe housing assembly
      • Base Part Number:
        21000
      • Housing Body Material:
        Aluminum
      • Probe Sleeve Material:
        304 stainless steel
      • Probe Option:
        28
      • Included Probe:
        3300 XL 8 mm probe with selectable hazardous-area approvals
      • Probe Cable Length:
        0.5 m (20 in)
      • Standoff Adapter:
        None
      • Probe Penetration:
        5.6 in (142.2 mm)
      • Fittings Option:
        04
      • Included Fitting:
        One 3/4-14 NPT plug only
      • Mounting Thread:
        3/4-14 NPT
      • Body Dimension A:
        83.3 mm
      • Body Dimension B:
        161.6 mm
      • Dimension E:
        26.7 mm
      • Compliance:
        API 670
      • Enclosure Certification:
        CSA Type 4
      • 8 mm Probe Operating Temperature:
        -51°C to +177°C
      • 8 mm Probe Storage Temperature:
        -51°C to +177°C
      • Sleeve Support Requirement:
        Required when C plus D exceeds 304 mm (12 in)
      • Penetration Adjustment Range:
        13 mm (±0.5 in)
      • Construction:
        All-metal housing assembly
      • External Mounting:
        Yes
      • Stock:
        18
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      BUYER INFORMATION

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      Alternative Names

      21000-28-05-00-056-04-02 210002805000560402 Bently Nevada 21000-28-05-00-056-04-02 21000-28-05-00-056-04-02 210002805000560402 Bently Nevada 21000-28-05-00-056-04-02 21000-28-05-00-056-04-02 210002805000560402 Bently Nevada 21000-28-05-00-056-04-02 21000-28-05-00-056-04-02 210002805000560402 Bently Nevada 21000-28-05-00-056-04-02

      Information

      Overview Manual Housing Construction Installation Considerations

      Features:

      • Domed cover and cylindrical body
      • Probe sleeve and conduit interface
      • Explosion-proof housing design
      • Configurable probe penetration
      The 21000-28-05-00-056-04-02 is configured as a 21000 proximity probe housing assembly. It belongs to the 21000 and 24701 Proximity Probe Housing Assemblies and protects the installed probe and connection from external mechanical damage.

      Protects an installed proximity probe and connection from external damage while providing an explosion-proof housing configuration. Probe penetration, conduit routing and access for cover removal should be checked against the official housing drawing before installation.

      The 21000-28-05-00-056-04-02 Bently Nevada housing assembly is documented in the official 21000 and 24701 datasheet. For non-explosion-proof applications, the manufacturer identifies newer 31000 and 32000 proximity probe housings as alternative housing families.
      • Cover and housing body
      • Probe sleeve assembly
      • Conduit fitting interface
      • Ordered adapter configuration
      Installation Considerations
       
      Determine probe penetration before assembly
      Provide clearance for cover removal
      Seal and route conduit correctly
      Use 31000 or 32000 housings where explosion-proof construction is unnecessary

      Technical notes

      21000-28-05-00-056-04-02 is an aluminum external probe housing with 304 stainless steel sleeve, 3300 XL 8 mm approval-selectable probe, 0.5 m cable, no standoff, 5.6 in penetration, one 3/4-14 NPT plug and 3/4-14 NPT mounting thread.
      PRODUCT & ORDER FAQS

      Questions buyers ask about 21000-28-05-00-056-04-02

      • What does 21000-28-05-00-056-04-02 identify?

        It identifies an aluminum 21000 housing with an approval-selectable 3300 XL 8 mm probe, 0.5 m cable, no standoff, 5.6 in penetration, one NPT plug and 3/4-14 NPT mounting.

      • Which probe system is compatible with this housing?

        Option 28 supplies a 3300 XL 8 mm probe with selectable hazardous-area approvals. Match the probe and cabling to the required 3300 XL Proximitor system length.

      • Where is the 21000 housing used?

        It provides external mounting and environmental protection for proximity probes on rotating machinery installations that follow API 670 practices.

      • What installation guidance applies?

        Install through the 3/4-14 NPT mounting thread, set the specified penetration and support the sleeve if the combined C plus D length exceeds 304 mm; this 5.6 in configuration is below that threshold.

      • Is 21000-28-05-00-056-04-02 available?

        A warehouse quantity is shown for planning. Contact Moore Automated to confirm the allocated quantity before dispatch.

      • What warranty is supplied?

        Moore Automated provides warranty terms with the quotation. Correct sealing, mounting, probe gapping and conduit practices are required.

      • How is the housing shipped?

        Processing is listed as 3 days with fast shipment enabled from Xiamen, Fujian, China in protective packaging.
      All FAQ
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          • Product Lifecycle Stage

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            The official Baker Hughes datasheet identifies newer 31000 and 32000 proximity probe housings for applications that do not require explosion-proof construction. Moore Automated provides high-quality Bently Nevada 21000 spare parts and compatible 31000/32000 upgrade solutions to reduce customer downtime.

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          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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