Vibration Monitoring Solution – Bently Nevada 21000-16-05-00-040-03-02 | 3300 XL Series
The Bently Nevada 21000-16-05-00-040-03-02 is a precision-engineered Proximity Probe Housing Assembly designed for continuous, non-contact shaft vibration and position measurement in rotating machinery. Part of the industry-trusted 3300 XL Series, this housing assembly provides the mechanical interface that protects and positions the proximity probe tip at the correct gap distance from the observed shaft surface — a critical factor in measurement accuracy and system reliability.
Where This Product Is Used
- Steam & Gas Turbines — Shaft radial vibration monitoring on HP/LP turbine stages in power generation plants
- Centrifugal Compressors — Continuous rotor displacement monitoring in petrochemical and LNG facilities
- Pumps & Fans — Bearing journal orbit analysis in large BFW pumps and induced-draft fans
- Gearboxes — Gear mesh frequency and shaft position tracking in high-speed drive trains
- Expanders & Turbomachinery — API 670-compliant radial vibration channels in refinery expanders
- Marine Propulsion Systems — Shaft monitoring on diesel-electric and steam-driven vessels
Technical Specifications
- Part Number: 21000-16-05-00-040-03-02
- Series: Bently Nevada 3300 XL Proximity Transducer System
- Type: Proximity Probe Housing Assembly
- Probe Thread Size: 5/16-28 UNF (compatible with standard 3300 XL probes)
- Housing Material: Stainless Steel (corrosion-resistant)
- Extension Cable Compatibility: 3300 XL Series extension cables
- Driver/Oscillator Compatibility: 3300 XL 8mm / 11mm proximity transducer drivers
- Operating Temperature: –50°C to +120°C (probe tip environment)
- Weight: Approx. 1,400 g (complete assembly)
- Compliance: API 670, CE, RoHS
Why Engineers Specify This Model
- Exact OEM Geometry — Maintains the precise probe-to-shaft gap (typically 1.0–2.0 mm) required for linear measurement range
- Robust Mechanical Protection — Stainless steel housing resists oil mist, steam, and process gas environments
- Drop-in Replacement — Direct fit for existing 3300 XL installations; no re-wiring or re-calibration of the driver required
- Reduced Downtime — Pre-assembled and tested; ready to install during planned outage windows
- Long Service Life — Non-contact sensing principle eliminates mechanical wear at the measurement point
Complete System Bill of Materials
For a fully functional 3300 XL radial vibration channel, the following components are typically required:
- Proximity Probe — e.g., 330103-00-06-10-02-00 (8 mm, 5 m cable)
- Probe Housing Assembly — 21000-16-05-00-040-03-02 (this item)
- Extension Cable — e.g., 330130-080-00-00 (8 m)
- Proximitor / Driver — e.g., 3300/16-02-01-00 (8 mm, 24 VDC)
- I/O Module — 3500/42M Proximitor / Seismic Monitor
- Rack & Power Supply — 3500/05-01-02-00-00-01
Compliance & Industry Standards
- API 670 — Machinery Protection Systems (5th Edition)
- IEC 61511 — Functional Safety for Process Industry (SIL-capable installations)
- ISO 10816 / ISO 20816 — Mechanical vibration evaluation of machines
- CE Marking — Electromagnetic Compatibility Directive 2014/30/EU
- RoHS Compliant — Restriction of Hazardous Substances
Quality Assurance & Sourcing
All Bently Nevada components supplied by Konmask.com are sourced through verified industrial supply channels. Each unit undergoes incoming inspection including:
- Visual and dimensional inspection against OEM drawings
- Continuity and insulation resistance check (where applicable)
- Authenticity verification — original Bently Nevada labeling and part markings
- Secure anti-static packaging for transit protection
We maintain traceability records for every shipment and can provide documentation upon request.
How to Source This Part
- In-Stock Orders: Add to cart and complete checkout — most orders ship within 1–3 business days
- Bulk / Project Inquiries: Contact us for volume pricing and lead-time confirmation
- Urgent Shutdown Support: Email [email protected] or call +0086 19859288691 for expedited sourcing
- Cross-Reference / Interchange: Provide your existing part number and we will confirm compatibility
Application-Specific FAQ
Q: Is 21000-16-05-00-040-03-02 compatible with the 3500 Series monitoring rack?
A: Yes. The 3300 XL proximity transducer system (probe + extension cable + driver) feeds a 4–20 mA or voltage output that is fully compatible with 3500 Series I/O modules such as the 3500/42M.
Q: What is the standard gap voltage for this probe housing setup?
A: With a standard 8 mm 3300 XL probe and driver, the nominal gap is set to –10 VDC (approximately 1.0–1.5 mm air gap), within the linear range of –2 VDC to –18 VDC.
Q: Can this housing be used in a hazardous area (Zone 1 / Division 1)?
A: The housing itself is a passive mechanical component. Hazardous area compliance depends on the probe and driver selected. Consult Bently Nevada’s IS (Intrinsically Safe) driver options for Zone 1 / Div 1 installations.
Q: What is the lead time if not in stock?
A: Typical lead time for sourced units is 5–15 business days depending on regional availability. Contact us for a firm commitment.
Q: Do you provide a warranty?
A: Yes. All parts carry a 90-day functional warranty against defects. Extended warranty options are available for project-based purchases.
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Contact: [email protected] | +0086 19859288691
