Bently Nevada 21000-16-10-00-030-00-02 – Proximity Probe Housing Assembly | 3300 XL Series Platform
Engineering Background: The Bently Nevada 3300 XL Series represents the industry benchmark for continuous machinery protection and condition monitoring in rotating equipment applications. Developed by Baker Hughes (Bently Nevada), this platform is deployed globally across power generation, oil & gas, petrochemical, and heavy industrial facilities where unplanned downtime carries catastrophic operational and financial consequences.
Product Positioning: The 21000-16-10-00-030-00-02 is a precision-engineered Proximity Probe Housing Assembly designed to securely mount and protect eddy-current proximity probes in harsh industrial environments. It provides mechanical alignment, environmental sealing, and cable management for the probe tip, ensuring consistent gap distance and signal integrity over extended service intervals. This assembly is a critical field-replaceable unit (FRU) within the 3300 XL vibration monitoring chain.
Complete Technical Specifications
| Part Number | 21000-16-10-00-030-00-02 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Series / Platform | 3300 XL Proximity Probe System |
| Component Type | Proximity Probe Housing Assembly |
| Probe Compatibility | 3300 XL 8mm Proximity Probes (eddy-current) |
| Cable Length (Probe) | 30 cm (0.30 m) integral armored cable |
| Thread / Mounting | M10 × 1.0 mm standard probe thread |
| Housing Material | 316 Stainless Steel |
| Environmental Rating | IP67 (dust-tight, immersion-resistant) |
| Operating Temperature | −40 °C to +177 °C (−40 °F to +350 °F) |
| Vibration Resistance | Per API 670 / ISO 10816 requirements |
| Weight | Approx. 1,050 g (assembly) |
| Connector Type | BNC / MIL-spec coaxial (system-matched) |
| Compliance | API 670 5th Edition, CE, RoHS |
| Country of Origin | USA |
Proven Application Environments
- Power Generation: Steam turbines, gas turbines, and generator shaft vibration monitoring
- Oil & Gas Upstream/Midstream: Compressor trains, pump sets, and expander-compressor units on offshore platforms and onshore facilities
- Petrochemical & Refining: Critical rotating machinery in continuous-process environments requiring API 670-compliant monitoring
- Pulp & Paper / Heavy Industry: High-speed rolls, fans, and gearbox shaft monitoring
- Marine Propulsion: Shaft alignment and axial position monitoring in marine drive systems
Engineering Advantages
- Precision Gap Consistency: Machined housing tolerances maintain probe tip-to-target gap within ±0.025 mm, ensuring linear output across the full measurement range
- 316 SS Construction: Superior corrosion resistance in H₂S, chloride, and hydrocarbon-rich atmospheres versus standard carbon steel alternatives
- Integral Armored Cable: 30 cm factory-terminated cable eliminates field-splice failure points and maintains OEM signal impedance matching
- Drop-in Replacement: Dimensionally identical to OEM specification — no re-commissioning or recalibration of the 3300 XL monitor required upon installation
- Extended MTBF: Designed for continuous operation in excess of 100,000 hours under rated conditions
System Architecture & Signal Flow
The 21000-16-10-00-030-00-02 Housing Assembly integrates into the standard Bently Nevada 3300 XL signal chain as follows:
Rotating Shaft Target → Probe Tip (eddy-current) → Housing Assembly [this unit] → Extension Cable (3300 XL) → Proximitor® Sensor → 3500/3300 Monitor Rack → DCS / Safety System
The housing provides mechanical protection and precise radial/axial positioning of the probe tip relative to the shaft target. Correct installation gap (typically 1.0–1.5 mm for 8mm probes) is critical for linear output within the Proximitor’s calibrated range (−18 VDC nominal bias).
Sourcing & Quality Verification
- All units sourced through authorized industrial distribution channels or directly from OEM-certified surplus inventory
- Each assembly undergoes incoming inspection: dimensional check, continuity test, and visual inspection per IPC-A-610 workmanship standards
- Serialization and traceability documentation available upon request for regulated facilities
- Shelf-life managed under controlled storage conditions (temperature 15–25 °C, humidity <60% RH)
- Certificate of Conformance (CoC) and test reports available for critical plant applications
Procurement Process
- Confirm Part Number: Verify 21000-16-10-00-030-00-02 against your BOM or existing installed assembly label
- Request Quote: Contact [email protected] for volume pricing, lead time, and CoC availability
- Order Placement: Purchase order accepted via this storefront, email, or direct bank transfer (T/T)
- Shipping: DHL Express / FedEx International Priority — typical transit 3–7 business days worldwide
- Documentation: Commercial invoice, packing list, and CoC shipped with every order
Technical FAQ
Q: Is this assembly compatible with the older 3300 (non-XL) series probes?
A: The 21000 series housing is optimized for 3300 XL 8mm probes. Mechanical fit may be similar to legacy 3300 probes, but electrical and calibration compatibility must be verified against your specific Proximitor model. Contact our engineers for confirmation.
Q: Can I use this housing with a competitor’s eddy-current probe?
A: The housing thread (M10 × 1.0) is standard, but signal chain performance is only guaranteed when used with matched Bently Nevada 3300 XL probes and Proximitor sensors. Third-party probes may introduce calibration offsets.
Q: What is the lead time for this part?
A: In-stock units ship within 1–2 business days. For out-of-stock scenarios, typical lead time is 2–4 weeks. Contact us for real-time availability.
Q: Do you provide installation support?
A: We provide technical documentation and remote engineering support via email. On-site commissioning services can be arranged through our partner network.
Q: Is this a genuine OEM part or aftermarket?
A: We supply genuine Bently Nevada OEM parts sourced through verified industrial channels. Aftermarket alternatives are not stocked. CoC available upon request.
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