Technical Specifications Breakdown
Key parameters for the 21000-34-00-15-039-03-02 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Model | 21000 - Proximity Probe Housing Assemblies |
| Probe Option | 34 = 3300 XL 8 mm probe with connector protector, selectable hazardous area approvals |
| Probe Cable Length | 00 = Probe cable not required |
| Standoff Adapter | 15 = 1.5 in |
| Probe Penetration | 039 = 3.9 in |
| Fitting Option | 03 = One 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, one cable seal grip with grommets for cable sizes: 1/8 to 3/16 inches, 1/4 to 5/16 inches, 5/16 to 3/8 inches |
| Mounting Thread | -02 - 3/4-14 NPT |
| Material | 21000 Aluminum body with 304 stainless steel sleeve |
| Probe Cable Length | 1.0 m |
| Maximum (C) + (D) with visible probe (P/N and S/N) | 17.0 in (43.18 cm) |
| Maximum (C) + (D) Dimension | 32.9 in (83.5 cm) |
| Weight | 1.1 kg (2.4 lb) typical, without fittings |
Industry Applications and Cost Impact
Turbomachinery Monitoring
In steam turbines and compressors, the 21000-34-00-15-039-03-02 provides stable, repeatable shaft displacement readings. The 1.5 in standoff adapter and 3.9 in probe penetration allow precise gap setting, minimizing false trips that cause costly restarts.
Hazardous Area Installations
With CSA explosion-proof certification and selectable hazardous area approvals, this housing assembly eliminates the need for expensive purging systems. The aluminum body with 304 stainless steel sleeve resists corrosion, reducing replacement frequency in chemical plants.
API 670 Compliance
Fully compliant with API 670 standard for externally mounted proximity probe housings, this unit helps refineries and petrochemical facilities meet regulatory requirements without custom engineering costs.
Installation Guidance for Maximum ROI
Proper installation of the 21000-34-00-15-039-03-02 begins with selecting the correct mounting thread (-02 3/4-14 NPT) and ensuring the standoff adapter length matches the application. The included fitting kit (one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and cable seal grip with three grommet sizes) simplifies conduit connections. Use the provided grommets for cable diameters between 1/8 and 3/8 inches to maintain environmental seal integrity. Verify the probe cable length (1.0 m) is sufficient for your routing path to avoid extension costs.
Maintenance and Reliability
Inspect the 0-rings and thread seal during each scheduled outage. The dome cover and threaded ports should be checked for corrosion or damage, especially in wet or corrosive atmospheres. The 304 stainless steel sleeve resists wear, but periodic visual inspection of the probe sleeve is recommended. No internal disassembly is required for routine checks.
Cost-Effective Protection for Critical Machinery
When unplanned downtime costs thousands per hour, the Bently Nevada 21000-34-00-15-039-03-02 proximity probe housing assembly delivers reliable, long-term vibration monitoring in harsh industrial environments. This robust enclosure safeguards sensitive probes while maintaining measurement accuracy, directly reducing maintenance expenses and extending equipment life.
Selection Guide and Purchasing Advice
Contact AutoDCSTech to confirm the 21000-34-00-15-039-03-02 matches your specific probe and cable requirements. Our inventory includes new, factory-sealed units with full manufacturer warranty. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 21000-34-00-15-039-03-02 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
