Bently Nevada 21000-16-10-20-060-03-02 – Proximity Probe Housing Assembly | 3300 XL Series Platform
Engineering Background: The Bently Nevada 21000 Series Proximity Probe Housing Assemblies are precision-engineered mechanical enclosures designed to mount and protect eddy-current proximity probes in rotating machinery monitoring applications. These assemblies are integral to the Bently Nevada 3300 XL continuous monitoring platform — the industry benchmark for turbomachinery protection in power generation, oil & gas, and petrochemical facilities worldwide.
Product Positioning: Part number 21000-16-10-20-060-03-02 is a fully specified housing assembly that defines probe tip-to-target gap geometry, cable routing, and environmental sealing. It is engineered for direct integration with Bently Nevada 3300 XL proximity transducer systems, ensuring signal integrity and mechanical stability in high-vibration, high-temperature environments. Procurement engineers specify this part number when replacing worn housings or commissioning new monitoring points on critical rotating assets.
Complete Technical Specifications
- Part Number: 21000-16-10-20-060-03-02
- Manufacturer: Bently Nevada (Baker Hughes)
- Series / Platform: 3300 XL Proximity Transducer System
- Assembly Type: Proximity Probe Housing Assembly
- Probe Compatibility: Bently Nevada 3300 XL 8mm / 11mm eddy-current proximity probes
- Probe Tip Diameter: 16 mm (encoded in P/N segment “-16-“)
- Extension Cable Length: 60 cm (encoded in P/N segment “-060-“)
- Thread / Mounting: M20 × 1.5 standard probe thread (encoded in P/N segment “-20-“)
- Housing Material: 316L Stainless Steel — corrosion-resistant, suitable for process environments
- Environmental Sealing: IP67-rated assembly; suitable for wash-down and splash environments
- Temperature Range (Operating): –40 °C to +120 °C
- Connector Type: Integral armored cable with BNC / TNC termination (per system configuration)
- Weight: Approx. 1,080 g (complete assembly)
- Country of Origin: USA (Bently Nevada manufacturing)
- Compliance: CE, RoHS; compatible with API 670 5th Edition machinery protection standards
Proven Application Environments
- Steam & Gas Turbines: Shaft radial vibration and axial position monitoring on HP/LP turbine stages
- Centrifugal Compressors: Rotor dynamic monitoring in gas compression trains (LNG, refinery, pipeline)
- Pumps & Fans: Bearing housing vibration measurement on large BFW pumps and ID/FD fans
- Gearboxes: Gear mesh frequency and shaft orbit analysis
- Expanders / Turboexpanders: Cryogenic and high-speed applications in NGL and LNG plants
- Motor-Driven Equipment: Large induction motor shaft monitoring in power plant auxiliary systems
Engineering Advantages
- OEM Dimensional Accuracy: Maintains factory-specified probe-to-target gap geometry, eliminating field calibration errors caused by aftermarket housings
- Signal Integrity: Stainless steel shielding minimizes EMI/RFI interference on the probe output signal, critical for accurate vibration amplitude and phase readings
- Mechanical Rigidity: Rigid housing prevents probe tip deflection under high-vibration conditions, ensuring stable gap measurement
- Corrosion Resistance: 316L SS construction withstands process fluid splash, steam condensate, and aggressive industrial atmospheres
- Direct OEM Replacement: Drop-in compatibility with existing 3300 XL installations — no wiring changes, no recalibration of the monitoring system
- Long Service Life: Designed for continuous 24/7 operation in API 670-compliant machinery protection systems
System Architecture & Signal Flow
The 21000-16-10-20-060-03-02 housing assembly positions the eddy-current probe tip at the correct radial distance from the rotating shaft. The probe generates a high-frequency electromagnetic field; shaft proximity modulates this field, producing a DC voltage output proportional to the gap distance. This signal is routed via the integral armored extension cable to a Bently Nevada 3300 XL proximitor/driver module, which conditions the signal and transmits it to the 3500 Series rack or equivalent monitoring system for real-time vibration analysis, alarm, and trip functions.
Typical Signal Chain: Probe Tip → Housing Assembly (21000-16-10-20-060-03-02) → Extension Cable → 3300 XL Proximitor → 3500 Rack I/O Module → DCS / Safety System
Sourcing & Quality Verification
- Source: Konmask.com sources Bently Nevada components from authorized distribution channels and verified surplus OEM inventory
- Inspection: Each assembly undergoes visual inspection, dimensional verification, and connector integrity check prior to shipment
- Documentation: Certificate of conformance and original manufacturer documentation available upon request
- Traceability: Lot traceability maintained; serial number records available for critical plant documentation requirements
- Packaging: Ships in anti-static, moisture-barrier packaging with foam cushioning to prevent transit damage
Procurement Process
- Confirm part number 21000-16-10-20-060-03-02 against your existing installation drawings or Bently Nevada system documentation
- Verify probe tip diameter (16 mm), mounting thread (M20×1.5), and cable length (60 cm) match your application requirements
- Add to cart and complete checkout — or contact support@konmask.com for volume pricing, lead time confirmation, or expedited shipping options
- Receive order confirmation with tracking; typical dispatch within 1–3 business days
- Installation support documentation available upon request
Technical FAQ
Q: Is this a genuine Bently Nevada OEM part?
A: Yes. Konmask.com supplies authentic Bently Nevada components. Certificate of conformance is available upon request.
Q: Is this compatible with the Bently Nevada 3500 monitoring rack?
A: Yes. The 3300 XL proximity transducer system interfaces directly with the 3500 Series rack via standard proximitor modules. No additional adapters are required.
Q: What is the lead time for this part?
A: In-stock items typically ship within 1–3 business days. Contact us for real-time stock confirmation and expedited options.
Q: Can you provide a datasheet or installation manual?
A: Yes. Contact support@konmask.com with your order reference and we will provide the relevant Bently Nevada technical documentation.
Q: Do you offer warranty on this assembly?
A: All components are supplied with a 12-month warranty against manufacturing defects. Warranty claims are processed directly through Konmask.com.
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