Bently Nevada 31000-00-00-00-059-03-02 – Proximity Probe Housing Assembly | 3300 XL Series Platform
Engineering Background
The Bently Nevada 3300 XL Series represents the industry benchmark for non-contacting eddy-current proximity measurement in rotating machinery protection systems. Deployed across power generation, petrochemical, and heavy industrial sectors worldwide, this platform is specified by OEM turbine manufacturers and plant engineers who require sub-micron resolution and long-term signal stability in harsh environments.
Product Positioning
The 31000-00-00-00-059-03-02 is a precision-machined Proximity Probe Housing Assembly engineered to mechanically protect and accurately position the 3300 XL probe tip relative to the observed shaft surface. Correct housing geometry is critical to maintaining the calibrated gap range and ensuring the eddy-current field is not distorted by surrounding metallic structures. This assembly is a direct OEM-equivalent replacement suitable for new installations and field maintenance on existing 3300 XL monitoring loops.
Complete Technical Specifications
| Part Number | 31000-00-00-00-059-03-02 |
| Brand / OEM | Bently Nevada (Baker Hughes) |
| Series / Platform | 3300 XL Proximity Transducer System |
| Component Type | Proximity Probe Housing Assembly |
| Measurement Principle | Eddy-Current (Non-Contacting) |
| Compatible Probe Series | Bently Nevada 3300 XL 8 mm / 11 mm Proximity Probes |
| Thread / Mounting | Per OEM drawing (metric/imperial per suffix) |
| Cable Length Compatibility | Designed for use with standard 3300 XL extension cable assemblies |
| Operating Temperature | –50 °C to +120 °C (probe tip environment) |
| Housing Material | Stainless steel (corrosion-resistant) |
| Weight (approx.) | 1,200 g (packaged) |
| Condition | New / Surplus New / Refurbished (specify at inquiry) |
| Country of Origin | USA (OEM) |
| Certifications | CE, RoHS-compliant (OEM standard) |
Proven Application Environments
- Steam & Gas Turbines – Shaft radial vibration and axial position monitoring per API 670
- Centrifugal Compressors – Continuous rotor dynamic surveillance in LNG and refinery trains
- Pumps & Fans – Bearing housing proximity measurement in critical rotating equipment
- Hydro Turbines – Low-speed shaft monitoring in power generation facilities
- Marine Propulsion – Shaft alignment and vibration monitoring in offshore platforms
- Test Rigs & OEM Assembly Lines – Precision gap calibration during factory acceptance testing
Engineering Advantages
- OEM-Matched Geometry – Machined to original Bently Nevada dimensional tolerances; no field re-calibration required when replacing like-for-like
- Corrosion-Resistant Construction – Stainless steel body withstands lube oil, process gas, and high-humidity environments
- Plug-and-Play Compatibility – Direct drop-in for existing 3300 XL probe loops; no wiring or conditioner changes needed
- API 670 Alignment – Supports compliance with the machinery protection standard for critical rotating equipment
- Reduced Downtime – Stocked for immediate dispatch; minimizes planned and unplanned outage duration
- Traceable Quality – Each unit ships with inspection documentation and, where applicable, OEM serialization
System Architecture & Signal Flow
The 3300 XL proximity transducer system operates as a three-component loop:
- Probe (tip + body) – Generates the eddy-current field; the housing assembly positions and protects this element.
- Extension Cable – Transmits the RF signal from the probe to the proximitor/driver with minimal loss.
- Proximitor / Signal Conditioner – Converts the oscillator output to a DC voltage proportional to gap distance (typically –24 VDC supply, –200 mV/mil or –7.87 V/mm scale factor).
The housing assembly (31000-00-00-00-059-03-02) interfaces directly with the machine casing or bracket, ensuring the probe tip is held at the correct radial or axial position relative to the shaft. Proper housing installation is the first step in achieving a calibrated, API 670-compliant measurement loop.
Sourcing & Quality Verification
Konmask.com sources Bently Nevada components through authorized distribution channels and verified surplus networks. Every unit undergoes the following before dispatch:
- Visual and dimensional inspection against OEM drawings
- Part number and label verification (no remarked or counterfeit parts)
- Functional continuity check where applicable
- Secure anti-static packaging with desiccant for long-term storage integrity
Certificates of conformance and test reports are available upon request for critical plant applications.
Procurement Process
- Confirm Part Number – Verify 31000-00-00-00-059-03-02 against your BOM or existing installation drawing.
- Request a Quote – Contact support@konmask.com or call +0086 19859288691 for volume pricing, lead time, and condition options.
- Place Order – Purchase directly via this listing or via PO for B2B accounts.
- Shipping – DHL / FedEx / UPS express available; export documentation (commercial invoice, packing list, COO) provided for customs clearance.
- After-Sales Support – Technical assistance available for installation, loop calibration, and system integration questions.
Technical FAQ
Q: Is this housing compatible with both 8 mm and 11 mm 3300 XL probes?
A: Compatibility depends on the probe body diameter and thread specification. Please confirm your probe model before ordering. Contact us if unsure.
Q: Can this housing be used in hazardous (Ex) classified areas?
A: The 3300 XL system has ATEX/IECEx-rated variants. Verify the full part number suffix matches your area classification requirements. We can assist with Ex-rated sourcing.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days. For out-of-stock items, lead time is 2–6 weeks depending on sourcing channel.
Q: Do you provide a warranty?
A: Yes. New OEM units carry the standard Bently Nevada warranty. Surplus and refurbished units carry a 90-day Konmask functional warranty.
Q: Can I return the item if it does not fit?
A: Returns are accepted within 30 days for unused items in original packaging. Please contact support before returning.
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Contact: support@konmask.com | +0086 19859288691
