{"product_id":"bently-nevada-21000-34-00-00-039-04-02-proximity-probe-housing-assembly","title":"Bently Nevada 21000-34-00-00-039-04-02 Proximity Probe Housing Assembly","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 21000-34-00-00-039-04-02 is a precision-engineered proximity probe housing assembly designed for reliable vibration and position monitoring in rotating machinery. This model combines a durable aluminum body with a 304 stainless steel sleeve, ensuring long-term performance in demanding industrial environments. With a probe penetration of 3.9 inches and a mounting thread of 3\/4-14 NPT, it offers a secure, standardized fit for a wide range of applications.\u003c\/p\u003e\u003cp\u003eThis housing assembly is part of the 21000 series, widely recognized for its robust construction and compatibility with Bently Nevada's 3300 XL 8 mm proximity probe. The 21000-34-00-00-039-04-02 is supplied in new, original factory packing and includes a 12-month factory warranty, making it a dependable choice for maintenance, repair, and operations (MRO) teams.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 21000-34-00-00-039-04-02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Type:\u003c\/strong\u003e 3300 XL 8 mm probe with connector protector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Cable:\u003c\/strong\u003e Not required (0.5 m cable length option)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandoff Adapter:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Penetration:\u003c\/strong\u003e 3.9 in (99 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Option:\u003c\/strong\u003e One 3\/4-14 NPT plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Thread:\u003c\/strong\u003e 3\/4-14 NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum body with 304 stainless steel sleeve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum (C) + (D) Dimension:\u003c\/strong\u003e 13.5 in (34.3 cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.1 kg (2.4 lb) typical, without fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e CSA Type 4 enclosure, explosion-proof for hazardous areas (CA versions)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e API 670 Standard for externally mounted proximity probe housings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications \u0026amp; Industries\u003c\/h2\u003e\u003cp\u003eThe 21000-34-00-00-039-04-02 is engineered for use in critical rotating equipment across various sectors. Its explosion-proof rating and API 670 compliance make it ideal for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Gas:\u003c\/strong\u003e Monitoring compressors, pumps, and turbines in refineries and processing plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Generation:\u003c\/strong\u003e Vibration monitoring on steam and gas turbines, generators, and auxiliary equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Protecting large motors, gearboxes, and fans from unplanned downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Processing:\u003c\/strong\u003e Ensuring safe operation of agitators, blowers, and other rotating assets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBy providing accurate, real-time data on shaft vibration and position, this housing assembly helps maintenance teams detect early signs of mechanical issues, reducing costly failures and unplanned outages.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eProper installation is critical to the performance of the 21000-34-00-00-039-04-02. Follow these guidelines for optimal results:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnsure the mounting thread (3\/4-14 NPT) matches the machine's port. Use appropriate thread sealant to prevent leaks.\u003c\/li\u003e\n\u003cli\u003eWhen installing the probe, verify that the probe tip is correctly positioned relative to the shaft. Use the specified penetration depth (3.9 in) as a reference, but always consult the machine's OEM documentation for exact clearance requirements.\u003c\/li\u003e\n\u003cli\u003eIf a standoff adapter is not used (as in this model), confirm that the probe cable routing does not interfere with rotating parts.\u003c\/li\u003e\n\u003cli\u003eFor hazardous area installations, ensure that the housing is properly grounded and that all connections meet local electrical codes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRoutine inspection of the housing assembly ensures long-term reliability. Check the dome cover and O-rings for wear or damage, and verify that all threaded connections remain tight. The aluminum body with stainless steel sleeve resists corrosion, but in harsh environments, periodic cleaning is recommended. The absence of a probe cable simplifies maintenance, reducing potential failure points.\u003c\/p\u003e\u003cp\u003eWith proper care, the 21000-34-00-00-039-04-02 provides years of dependable service, minimizing downtime and extending the life of your rotating machinery.\u003c\/p\u003e\u003ch2\u003eSelection Guide\u003c\/h2\u003e\u003cp\u003eWhen ordering the Bently Nevada 21000-34-00-00-039-04-02, verify that the suffix codes match your requirements. This configuration includes a probe with connector, no probe cable, no standoff adapter, a 3.9-inch penetration, and a single 3\/4-14 NPT plug. If your application requires a different cable length or fitting, consult the model number breakdown to configure the correct assembly.\u003c\/p\u003e\u003cp\u003eFor additional support or to confirm compatibility with your existing system, contact PLC Source PRO. We are a trusted supplier of industrial automation parts, offering genuine components with fast shipping and competitive pricing.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44439574610019,"sku":"21000-34-00-00-039-04-02","price":213.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/21000-34-10-20-058-04-02__E5_89_AF_E6_9C_AC_14cd889b-5a13-433f-991b-0845b21465fd.jpg?v=1785877444","url":"https:\/\/www.plcsourcepro.com\/he\/products\/bently-nevada-21000-34-00-00-039-04-02-proximity-probe-housing-assembly","provider":"PLC Source PRO","version":"1.0","type":"link"}