Bently Nevada 21000-00-00-00-000-00-02 – Proximity Probe Housing Assembly | 3300 XL Series Platform
Engineering Background
The Bently Nevada 21000-00-00-00-000-00-02 is a precision-machined proximity probe housing assembly engineered for continuous, non-contact vibration and position monitoring in rotating machinery. Developed under Bently Nevada’s legacy of over six decades in machinery protection, this housing assembly is a critical mechanical interface component within the 3300 XL eddy-current transducer system — one of the most widely deployed vibration monitoring platforms in the global process industries.
Product Positioning
Designed for procurement engineers and reliability teams operating turbines, compressors, pumps, and motors in oil & gas, power generation, petrochemical, and heavy manufacturing environments. This housing assembly ensures precise probe positioning, mechanical protection, and signal integrity for the 3300 XL series transducer chain. It is a direct OEM-equivalent replacement component, fully compatible with existing Bently Nevada 3300 XL installations.
Complete Technical Specifications
| Part Number | 21000-00-00-00-000-00-02 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Series / Platform | 3300 XL Proximity Transducer System |
| Component Type | Proximity Probe Housing Assembly |
| Sensing Technology | Eddy-Current (Non-Contact) |
| Compatible Probes | Bently Nevada 3300 XL 8mm / 11mm Proximity Probes |
| Housing Material | Stainless Steel (corrosion-resistant) |
| Thread Configuration | Standard Bently Nevada probe thread interface |
| Weight | 1,080 g (approx.) |
| Country of Origin | United States |
| HS Code | 9031.80 |
| Compliance | API 670 compatible installation |
Proven Application Environments
- Steam and gas turbine shaft vibration monitoring
- Centrifugal and reciprocating compressor radial/axial position measurement
- Boiler feed pump and cooling water pump bearing monitoring
- Electric motor rotor eccentricity and differential expansion measurement
- Gearbox and expander train vibration surveillance
- Offshore platform and FPSO rotating equipment protection systems
Engineering Advantages
- OEM-Grade Dimensional Accuracy: Machined to Bently Nevada’s original tolerances, ensuring correct probe gap setting and linear range performance without field re-calibration.
- Corrosion-Resistant Construction: Stainless steel housing withstands hydrocarbon atmospheres, steam environments, and aggressive process fluids.
- Drop-In Replacement: Fully interchangeable with existing 3300 XL installations — no wiring or conduit modifications required.
- API 670 Compatible: Supports machinery protection system installations compliant with API Standard 670 (Machinery Protection Systems).
- Reduced Downtime Risk: Stocking this assembly as a critical spare eliminates extended lead-time exposure during unplanned outages.
System Architecture & Signal Flow
The 21000-00-00-00-000-00-02 housing assembly is the mechanical anchor point of the Bently Nevada 3300 XL transducer chain. The signal flow is as follows:
Target Surface → Proximity Probe (3300 XL) → Extension Cable → Proximitor® Sensor → Monitoring System (3500 / System 1)
The housing assembly positions the probe at the correct standoff distance from the rotating shaft target, maintaining the eddy-current field within the linear measurement range (typically 0.25 mm to 2.25 mm for 8mm probes). Mechanical rigidity of the housing directly affects measurement repeatability and alarm reliability.
Sourcing & Quality Verification
- All units sourced through verified industrial automation supply channels with full traceability documentation available upon request.
- Pre-shipment inspection includes dimensional verification and visual examination per IEC 60068 handling standards.
- Original manufacturer labeling and part number markings preserved and verified prior to dispatch.
- Certificate of Conformance (CoC) available for critical plant procurement requirements.
Procurement Process
- Confirm Part Number: Verify 21000-00-00-00-000-00-02 against your existing Bently Nevada BOM or spare parts register.
- Submit Inquiry: Contact [email protected] or call +0086 19859288691 for lead time, quantity pricing, and export documentation.
- Receive Quotation: Formal quotation issued within 1 business day including unit price, freight terms (EXW/FOB/CIF), and estimated delivery.
- Order Confirmation: Purchase order accepted via email. Pro-forma invoice issued for T/T wire transfer or L/C payment.
- Shipment & Documentation: Shipped with commercial invoice, packing list, CoC, and optional third-party inspection report.
Technical FAQ
Q: Is this a genuine Bently Nevada OEM part?
A: This is an OEM-equivalent housing assembly sourced through authorized industrial supply channels. Contact us for full traceability documentation.
Q: Which Bently Nevada probe models are compatible?
A: The 21000-00-00-00-000-00-02 housing is designed for use with Bently Nevada 3300 XL 8mm and 11mm proximity probes within the 3300 XL transducer system.
Q: Can this be used in hazardous area (ATEX/IECEx) installations?
A: The 3300 XL system supports hazardous area installations when used with appropriate Proximitor® sensors rated for the zone classification. Confirm your system configuration with your site safety engineer.
Q: What is the typical lead time?
A: In-stock units ship within 3–5 business days. Contact us for current availability and expedited shipping options.
Q: Do you provide export documentation for international shipments?
A: Yes. We provide full export documentation including commercial invoice, packing list, Certificate of Conformance, and HS code declaration (9031.80).
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Contact: [email protected] | +0086 19859288691
