{"product_id":"21000-16-10-00-072-03-02-bently-nevada-proximity-probe-housing-assembly","title":"21000-16-10-00-072-03-02 Bently Nevada Proximity Probe Housing Assembly","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e Bently Nevada Proximity Probe Housing Assembly Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e is an industrial-grade, hazardous-area proximity probe enclosure system. Built specifically for critical machinery monitoring, this assembly provides external mounting access while maintaining environmental seal integrity. The housing combines a corrosion-resistant aluminum body with a 304 stainless steel probe sleeve to protect delicate eddy current transducers from physical impact, moisture, and hazardous process gases.\u003c\/p\u003e\n\u003cp\u003eFully compliant with API 670 standards, the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e allows live replacement and mechanical gap adjustments of internal reverse-mount probes without machine shutdown. The integrated 3\/4-14 NPT explosion-proof design handles harsh ambient conditions across oil refineries, power plants, and chemical processing facilities.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePart Number Configuration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e21000 Base Series:\u003c\/strong\u003e Explosion-Proof Proximity Probe Housing (Aluminum Body, CSA Type 4)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e-16 (Probe Option):\u003c\/strong\u003e Integrated 3300 XL 8 mm reverse mount probe with ClickLoc connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-10 (Cable Length):\u003c\/strong\u003e 1.0 meter (39 inches) internal triaxial FEP probe lead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-00 (Standoff Adapter):\u003c\/strong\u003e Direct-mount configuration without standoff extension adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-072 (Penetration Length):\u003c\/strong\u003e 7.2 inches total probe sleeve penetration depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-03 (Fitting Option):\u003c\/strong\u003e Complete fitting kit:\n\u003cul\u003e\n\u003cli\u003eOne 3\/4-14 NPT explosion-proof plug\u003c\/li\u003e\n\u003cli\u003eOne 3\/4-14 to 1\/2-14 NPT thread reducer\u003c\/li\u003e\n\u003cli\u003eOne cable seal grip with multi-size grommet set (1\/8\"-3\/16\", 1\/4\"-5\/16\", 5\/16\"-3\/8\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-02 (Mounting Thread):\u003c\/strong\u003e 3\/4-14 NPT process connection thread\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65%;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000 Series\u003c\/b\u003e\u003c\/span\u003e Probe Housings\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Body Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCast Aluminum with domed screw-on cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSleeve Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAISI 304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Sensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8 mm Eddy Current Proximity Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Lead Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0 meter (39 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePenetration Depth (Option C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.2 inches (182.8 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcess Connection Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-14 NPT male thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Combined Length (C+D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32.9 inches (83.5 cm) overall housing envelope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Length with Visible P\/N\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.0 inches (43.2 cm) for field inspection traceability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCSA Type 4 \/ NEMA 4X equivalent sealed structure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndustry Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAPI 670 Standard compliant for external probe housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHazardous Area Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExplosion-proof for CSA Class I, Div 1 \/ Div 2 applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.1 kg (2.4 lbs) typical without external fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment and Machinery Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentrifugal Gas Compressors:\u003c\/strong\u003e Secures radial vibration probes near high-speed shaft journals without depressurizing outer casings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Duty Steam Turbines:\u003c\/strong\u003e Measures rotor axial thrust position near bearing pedestals where ambient temperatures remain high.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiler Feed Pumps:\u003c\/strong\u003e Monitors shaft position under constant moisture, high humidity, and washdown spray conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Gearboxes:\u003c\/strong\u003e Captures high-frequency dynamic motion, shaft centerline position, and balance vector tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe sealed rigid structure of the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e eliminates mechanical resonance artifacts that false-trigger vibration alarms. The 304 stainless sleeve stabilizes probe alignment against fluid turbulence inside bearing sumps. Electrical continuity from the shielding grommets prevents ground loops, allowing clean signal capture for orbit plots, Cascade waterfall diagrams, and Bode peak-phase analyses within Bently Nevada System 1 software.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSelection Comparison \u0026amp; Engineering Guidance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eChoosing the correct \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000 Series\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e configuration requires evaluating casing thickness, sleeve insertion depth, and probe connector types. Below is a comparison with a popular alternative variant:\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30%;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35%;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21000-28-10-30-065-04-02-bently-nevada-proximity-housing\" target=\"_blank\"\u003e21000-28-10-30-065-04-02\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3300 XL 8 mm (Option 16)\u003c\/td\u003e\n\u003ctd\u003e3300 XL 11 mm (Option 28)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandoff Adapter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone (Option 00)\u003c\/td\u003e\n\u003ctd\u003e3.0 in Standoff (Option 30)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePenetration Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.2 inches (Option 072)\u003c\/td\u003e\n\u003ctd\u003e6.5 inches (Option 065)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFittings Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug, Reducer, Cable Seal (Option 03)\u003c\/td\u003e\n\u003ctd\u003eDual Cable Seal Grips (Option 04)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard radial\/thrust vibration\u003c\/td\u003e\n\u003ctd\u003eExtended linear measurement range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering Advice:\u003c\/strong\u003e If your mounting point sits directly against the machine housing, use the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e without a standoff. However, if thermal insulation or thick machine ribbing blocks direct access, choose the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21000-28-10-30-065-04-02-bently-nevada-proximity-housing\" target=\"_blank\"\u003e21000-28-10-30-065-04-02\u003c\/a\u003e with its 3.0-inch standoff adapter to clear mechanical obstructions. Always double-check sleeve penetration depth (7.2 in vs 6.5 in) to prevent the internal probe tip from contacting moving rotor surfaces during assembly installation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight and Field Experience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eField instrument Technicians often struggle with moisture ingress inside junction enclosures. When high-pressure washdown water enters unsealed conduit connections, signal corrosion occurs rapidly at the ClickLoc connector joint.\u003c\/p\u003e\n\u003cp\u003eIn our field testing, using the supplied multi-grommet cable seal (Fitting Option 03) combined with thread sealant on the 3\/4-14 NPT process connection completely eliminates internal condensation buildup. During an overhaul project at a power generating plant, replacing unsealed generic housings with genuine \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e assemblies reduced sensor drift complaints to zero over a two-year operating cycle.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents and Shipping Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEach factory-sealed package includes the complete \u003cstrong\u003eBently Nevada \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e21000-16-10-00-072-03-02\u003c\/b\u003e\u003c\/span\u003e\u003c\/strong\u003e housing assembly, reverse mount probe, internal O-rings, domed cover, and Fitting Option 03 kit. Every item is 100% new, original, and supplied in factory packaging. Orders dispatch worldwide within 24 to 48 hours via express carriers including FedEx, UPS, and DHL. Global PLC Spare HUB covers this item with an absolute \u003cstrong\u003e12-month factory warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eExpert Frequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I calculate total physical sleeve insertion before ordering penetration Option 072?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Measure the exact distance from the outer surface of the 3\/4-14 NPT mounting boss to the target shaft surface minus your desired probe gap setting (typically 1.0 mm or 40 mils). Option 072 provides 7.2 inches of effective sleeve reach into the machine housing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I replace the internal probe without removing the outer aluminum housing from the turbine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. Unscrew the domed aluminum top cover, release the internal sleeve locking screw, and extract the reverse-mount probe lead out through the housing top. The process housing remains securely threaded into the machine casing throughout maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the main structural advantage of Option 03 fitting hardware over standard conduit fittings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Option 03 includes specialized grommet sizes fitting 1\/8\" up to 3\/8\" outer diameter cables. This guarantees an explosion-proof, IP66-equivalent seal around field wiring without needing separate hazardous-area cable glands.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the maximum visible P\/N dimension capped at 17.0 inches on this housing assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This limitation ensures that part numbers and serial tags on the internal stainless steel sleeve remain visible through the housing window during routine maintenance checks, preventing full disassembly just to verify part identity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the aluminum 21000 body meet offshore oil platform corrosion protection requirements?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The cast aluminum housing uses a marine-grade alloy with epoxy coating that satisfies CSA Type 4 ratings. For highly concentrated acid fumes or extreme marine spray, consider the 24701 full 304 stainless steel housing series.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy From Global PLC Spare HUB?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e20+ years industrial automation spare parts experience\u003c\/li\u003e\n\u003cli\u003eGlobal shipment support via FedEx, UPS, and DHL\u003c\/li\u003e\n\u003cli\u003eFast 24-48 Hours shipping\u003c\/li\u003e\n\u003cli\u003e12-month warranty\u003c\/li\u003e\n\u003cli\u003eTechnical verification before shipment\u003c\/li\u003e\n\u003cli\u003eSupport for obsolete control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000_CA21000_Proximity_Probe_Housing_Assembly_119a66be-01ed-42a8-9685-9e6b8ad4e6e3.png?v=1782892483\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45014024716470,"sku":"21000-16-10-00-072-03-02","price":226.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000-28-10-20-018-04-02_1cee22f9-38e0-403f-8b9a-e3426bf50b58.jpg?v=1784692125","url":"https:\/\/www.plcsparehub.com\/products\/21000-16-10-00-072-03-02-bently-nevada-proximity-probe-housing-assembly","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}