{"product_id":"21000-16-05-15-037-01-02-bently-nevada-21000-series-assembly-proximity-housing","title":"21000-16-05-15-037-01-02 Bently Nevada 21000 Series Assembly Proximity Housing","description":"\u003ch3\u003eProduct Introduction\u003c\/h3\u003e\n\u003cp\u003eWelcome to Global PLC Spare HUB's Insight. This engineering review analyzes the \u003cstrong\u003eBently Nevada\u003c\/strong\u003e \u003cstrong\u003e21000-16-05-15-037-01-02\u003c\/strong\u003e Proximity Probe Housing Assembly, belonging to the rugged \u003cstrong\u003e21000\u003c\/strong\u003e Series. Designed for rigorous industrial machine trains, this model provides robust mechanical encapsulation for reverse-mount proximity probes while strictly adhering to API 670 guidelines for external vibration monitoring systems. Field engineering practices show that utilizing a cast aluminum body paired with a \u003cstrong\u003e304 stainless steel sleeve\u003c\/strong\u003e ensures long-term structural integrity under severe thermal and mechanical loads.\u003c\/p\u003e\n\u003ch3\u003eModel Configuration Breakdown\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSuffix Component\u003c\/th\u003e\n\u003cth\u003eSelected Code\u003c\/th\u003e\n\u003cth\u003eEngineering Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e21000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximity Probe Housing Assembly Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e16\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e3300 XL\u003c\/strong\u003e 8 mm probe configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e05\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e0.5 m\u003c\/strong\u003e (20 in) probe cable span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandoff Adapter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e1.5 in\u003c\/strong\u003e (38 mm) mechanical offset adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Penetration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e037\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e3.7 in\u003c\/strong\u003e penetration depth profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFittings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne explosion-proof fitting and one plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Thread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e02\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e3\/4-14 NPT\u003c\/strong\u003e process connection thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cstrong\u003eBently Nevada\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e \u003cstrong\u003e21000-16-05-15-037-01-02\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e Aluminum body with \u003cstrong\u003e304 stainless steel sleeve\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Weight:\u003c\/strong\u003e \u003cstrong\u003e1.1 kg\u003c\/strong\u003e (2.4 lb) typical without conduit fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Dimension Envelope:\u003c\/strong\u003e \u003cstrong\u003e13.5 in\u003c\/strong\u003e (34.3 cm) combined length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e \u003cstrong\u003e-50 °C to +80 °C\u003c\/strong\u003e (T4 class rating)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Mechanical Alignment Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the housing base directly to machinery casing using the standard \u003cstrong\u003e3\/4-14 NPT\u003c\/strong\u003e thread interface.\u003c\/li\u003e\n\u003cli\u003eAccount for the \u003cstrong\u003e1.5 in\u003c\/strong\u003e standoff adapter to achieve the specified \u003cstrong\u003e3.7 in\u003c\/strong\u003e total penetration depth inside the equipment cavity.\u003c\/li\u003e\n\u003cli\u003eFor penetration lengths requiring counterboring, machine the mounting surface carefully to eliminate side-view or rear-view field distortions.\u003c\/li\u003e\n\u003cli\u003eRoute the \u003cstrong\u003e0.5 m\u003c\/strong\u003e probe cable smoothly through internal chambers to prevent insulation pinching during cover installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning \u0026amp; Maintenance Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLeverage the screw-in dome cover design to execute rapid internal inspections without decoupling the primary mounting threads.\u003c\/li\u003e\n\u003cli\u003eVerify that integrated O-rings and thread seals remain unblemished during routine turnarounds to prevent moisture ingress.\u003c\/li\u003e\n\u003cli\u003eInspect flag labels closely for probe part and serial numbers during initial setup where cable visibility is constrained.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully compliant with American Petroleum Institute API 670 performance standards.\u003c\/li\u003e\n\u003cli\u003eCertified by the Canadian Standards Association CSA for hazardous environments.\u003c\/li\u003e\n\u003cli\u003eCertified for North American Class 1, Divisions 1 and 2, Groups C and D; Class 2, Divisions 1 and 2, Groups E, F, and G; and Class III locations.\u003c\/li\u003e\n\u003cli\u003eEnclosure Type 4 rating with non-incendive circuitry per drawing \u003cstrong\u003e140979\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFully compliant with European RoHS Directive \u003cstrong\u003e2011\/65\/EU\u003c\/strong\u003e and FCC Part 15 regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging, Warranty \u0026amp; Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplied strictly as \u003cstrong\u003eNew \u0026amp; Original in Factory Packing\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eBacked by a comprehensive \u003cstrong\u003e12-month factory warranty\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDispatched globally via premium carriers including \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eProcessed and shipped within \u003cstrong\u003e24-48 hours\u003c\/strong\u003e of order confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Equipment \u0026amp; Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeployed extensively across heavy rotating machinery, including multi-stage centrifugal compressors, steam turbines, boiler feed pumps, and large industrial gearboxes.\u003c\/li\u003e\n\u003cli\u003eProvides stable, vibration-isolated mechanical staging for gap-voltage sensors measuring radial shaft vibration, axial thrust position, and eccentric shaft rotation.\u003c\/li\u003e\n\u003cli\u003eGlobal PLC Spare HUB Review indicates that a properly sealed housing assembly drastically reduces electrical noise interference, delivering pristine waveform data to machinery protection monitors for early fault detection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 1.5 in standoff adapter influence the overall probe depth calculation?\u003c\/strong\u003e\u003cbr\u003eA: The standoff adapter introduces a fixed mechanical offset that combines with the probe penetration setting to establish the exact physical displacement of the probe tip relative to the machine shaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is counterboring sometimes necessary for specific penetration configurations?\u003c\/strong\u003e\u003cbr\u003eA: For shorter probe depths, counterboring the machine case prevents structural housing walls from obstructing the probe tip's lateral electromagnetic field, eliminating erroneous gap voltage readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What specific precautions should field engineers take regarding cable length limitations?\u003c\/strong\u003e\u003cbr\u003eA: Because this model utilizes a \u003cstrong\u003e0.5 m\u003c\/strong\u003e internal cable length, technicians must ensure the system connects cleanly to an appropriate extension cable before exiting the hazardous area conduit boundary.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do environmental temperature extremes impact the CSA certification classes?\u003c\/strong\u003e\u003cbr\u003eA: The assembly maintains a T5 rating in ambient conditions from \u003cstrong\u003e-50 °C to +40 °C\u003c\/strong\u003e and shifts to a T4 rating when operating up to \u003cstrong\u003e-50 °C to +80 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What buying guidance should procurement teams follow when ordering this assembly?\u003c\/strong\u003e\u003cbr\u003eA: Verify that the end-user facility is located within North America if ordering the CSA-certified explosion-proof variant, and cross-reference your machinery casing tap size to match the \u003cstrong\u003e3\/4-14 NPT\u003c\/strong\u003e thread standard.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000_CA21000_Proximity_Probe_Housing_Assembly_007eb544-fd00-4b41-a22e-c953629fa721.png?v=1784785784\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013973893302,"sku":"21000-16-05-15-037-01-02","price":256.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/21000-28-05-00-030-04-02_fc6514ab-7d2b-4fbf-8030-b00fa0806b75.jpg?v=1785835504","url":"https:\/\/www.plcsparehub.com\/products\/21000-16-05-15-037-01-02-bently-nevada-21000-series-assembly-proximity-housing","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}