{"product_id":"bently-nevada-21022-27-05-017-03-dual-axial-probe-housing-assembly","title":"Bently Nevada 21022-27-05-017-03 Dual Axial Probe Housing Assembly","description":"\u003ch3\u003eEngineering Overview: Precision Thrust Position Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #27ae60;\"\u003e21022-27-05-017-03\u003c\/span\u003e\u003c\/strong\u003e is a mission-critical \u003cstrong\u003eDual Axial Probe Housing Assembly\u003c\/strong\u003e from \u003cstrong\u003eBently Nevada\u003c\/strong\u003e. Specifically engineered to house two proximity probes, this assembly allows for redundant axial thrust position measurement of rotating shafts. Mounted at the machine end nearest to the thrust bearing, it provides a rugged, environmentally sealed interface that complies with \u003cstrong\u003eAPI 670\u003c\/strong\u003e standards, ensuring reliable monitoring of shaft displacement even in high-dust or splash-prone industrial areas.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe following table outlines the technical specifications for the \u003cstrong\u003e\u003cspan style=\"color: #27ae60;\"\u003e21022-27-05-017-03\u003c\/span\u003e\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 21022 (Dual Axial Probe Housing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Option (27):\u003c\/strong\u003e 3300 XL NSv Probe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length (05):\u003c\/strong\u003e 0.5 metre (20 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePenetration (017):\u003c\/strong\u003e 1.7 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFittings (03):\u003c\/strong\u003e Dual seal grips + 3\/4\" to 1\/2\" NPT reducers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB’s Insight\u003c\/h3\u003e\n\u003cp\u003eFor rotating equipment, thrust bearing failure is often catastrophic. The \u003cstrong\u003e\u003cspan style=\"color: #27ae60;\"\u003e21022-27-05-017-03\u003c\/span\u003e\u003c\/strong\u003e offers a distinct advantage: its dual-probe configuration allows for \"voting\" logic (e.g., 2-out-of-2), which significantly reduces the risk of false trips in safety-instrumented systems. We recommend this unit for installations where maintenance teams require external access to adjust probe gaps without disassembling the machine casing—a massive time-saver during annual turnarounds.\u003c\/p\u003e\n\u003ch3\u003eIndustrial Applications, Diagnostics \u0026amp; Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable Equipment:\u003c\/strong\u003e Large centrifugal compressors, gas and steam turbines, and industrial blowers with critical thrust bearings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Capability:\u003c\/strong\u003e Enables continuous, high-fidelity tracking of shaft axial position. The design ensures that probes, leads, and extension cables are protected from environmental factors, resulting in stable, low-noise DC gap voltage signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Professional 12-month factory-grade quality guarantee.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Expedited global transit via FedEx, UPS, or DHL; 24–48 hour dispatch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModel Comparison \u0026amp; Technical Advice\u003c\/h3\u003e\n\u003cp\u003eTechnical comparison for your selection process:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #27ae60;\"\u003e21022-27-05-017-03\u003c\/span\u003e\u003c\/strong\u003e (Current Selection): Configured for NSv probes with 1.7-inch penetration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/bently-nevada-21022-28-10-xxx-02-dual-axial-probe-housing\"\u003e21022-28-10-XXX-02\u003c\/a\u003e\u003c\/strong\u003e: Utilizes a standard 3300 XL probe and longer cable configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Suggestion:\u003c\/strong\u003e When selecting between NSv (Non-Standard velocity\/small range) and standard XL probes, ensure your proximity driver matches the sensor technology. The \u003cstrong\u003e\u003cspan style=\"color: #27ae60;\"\u003e21022-27-05-017-03\u003c\/span\u003e\u003c\/strong\u003e is specifically tuned for high-accuracy, small-target axial measurements.\u003c\/p\u003e\n\u003ch3\u003eExpert Frequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is dual-probe monitoring required for axial thrust?\u003c\/strong\u003e\u003cbr\u003eRedundancy is critical for machine safety. If one probe fails or provides an erroneous signal, the second probe acts as a confirmation source to prevent an unnecessary and expensive emergency machine shutdown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install the fittings after the housing is mounted?\u003c\/strong\u003e\u003cbr\u003eYes, the fittings are supplied as a kit. We recommend installing them during the final cable routing phase to ensure the cable seals are properly tightened for maximum IP ingress protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the 0.3% copper-free aluminum alloy?\u003c\/strong\u003e\u003cbr\u003eThis material is standard in marine and offshore environments to prevent galvanic corrosion when the housing is exposed to salt-laden air, significantly extending the service life compared to standard cast iron or steel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the API 670 compliance benefit my site operations?\u003c\/strong\u003e\u003cbr\u003eCompliance guarantees that the probe-to-shaft alignment, mechanical strength, and environmental sealing meet internationally recognized safety benchmarks for machinery protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there any specific calibration required after mounting?\u003c\/strong\u003e\u003cbr\u003eWhile the probes are set at the factory, the final \"cold gap\" must be verified with a feeler gauge or depth micrometer after mounting the assembly to ensure the probe tip is at the correct linear range distance from the shaft shoulder.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21022_2.png?v=1778828201\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013987360950,"sku":"21022-27-05-017-03","price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21022_6_baa7cafc-7762-4839-aabb-7aa5a67d054d.jpg?v=1779873115","url":"https:\/\/www.plcsparehub.com\/products\/bently-nevada-21022-27-05-017-03-dual-axial-probe-housing-assembly","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}