Product Details
The Bently Nevada 21000-16-10-15-044-03-02, also cataloged as the 21000 Proximity Probe Housing Assembly, operates as a dedicated hardware component for mechanical environmental sealing and rigid penetration positioning of proximity transducers within machinery protection platforms.
Suffix Breakdown & Model Matrix
| Option Field | Code | Configuration Detail |
|---|---|---|
| Probe Option | 16 | 3300 XL 8 mm probe |
| Probe Cable Length | 10 | 1.0 m (39 in) probe cable length |
| Standoff Adapter | 15 | 1.5 in standoff adapter length |
| Probe Penetration | 044 | 4.4 in penetration length |
| Fittings Option | 03 | One 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, multi-size grommet cable seal grip |
| Mounting Thread | 02 | 3/4-14 NPT outer mounting thread |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 21000-16-10-15-044-03-02 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 2.1 kg |
| Dimensions | 4.4 in penetration length, 1.5 in standoff adapter, 3/4-14 NPT mounting thread |
| Operating Temp | -51 deg C to +177 deg C (-60 deg F to +351 deg F) |
| Power Consumption | Passive mechanical housing assembly |
| Construction Material | Stainless Steel |
| Enclosure / Agency Rating | CSA Type 4 rating, API 670 standard compliance, explosion-proof hazardous area suitability |
| Sealing Features | Thread seal, internal O-rings, threaded dome cover, conduit ports |
Gap Voltage Validation and Rotor Dynamics Analysis
The 21000 housing assembly rigidly locks the reverse-mount 3300 XL probe sleeve at a fixed mechanical penetration depth to maintain precise alignment relative to rotating shafts. Adjusting the sleeve positioning during installation allows verification of the DC gap voltage to hit the nominal -10 VDC baseline, placing the probe in the center of its linear dynamic range. This stable mechanical orientation prevents signal attenuation, ensuring precise rotor dynamics feedback and maintaining cross-talk suppression between orthogonal X-Y probe pairs inside the machine casing.
Frequently Asked Questions
Q: How does the housing maintain environmental sealing across hazardous field locations?
A: The stainless steel housing features an O-ring sealed threaded dome cover, thread seals, and a CSA Type 4 certified enclosure design that meets API 670 standards for hazardous location deployments.
Q: What conduit fitting options are provided under code 03?
A: Option 03 supplies one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and a cable seal grip equipped with grommets for various cable diameter ranges.
Field Installation Guidelines
- Apply approved thread sealant to the 3/4-14 NPT mounting threads and engage a minimum of 5 full turns into the tapped casing port.
- Carefully pass the reverse-mount probe sleeve assembly through the housing body without impacting the internal transducer tip.
- Verify mechanical tip gap distance by measuring the Proximitor Sensor DC output until a -10 VDC gap bias voltage target is achieved.
- Tighten internal sleeve locking collar screws to preserve the calibrated position against mechanical vibration.
- Install selected cable grip grommets and torque external conduit fittings to prevent moisture entry through the enclosure ports.
- Thread the dome cover completely onto the housing body until the elastomeric O-ring seats firmly against the housing shoulder.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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