Bently Nevada 21000-34-05-00-056-04-02 Proximity Probe Housing Assembly
21000-34-05-00-056-04-02
21000 Aluminum Probe Housing · 3300 XL 8 mm Probe · 5.6 in Penetration
Configuration note: Use the complete nameplate and current Baker Hughes documentation as final references before approving a replacement.
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+86 1535940827521000 Aluminum Probe Housing · 3300 XL 8 mm Probe · 5.6 in Penetration
Bently Nevada 21000-34-05-00-056-04-02 is an all-metal 21000 aluminum proximity-probe housing assembly for externally mounting a 3300 XL 8 mm probe. Option 34 identifies an 8 mm probe with connector protector and selectable hazardous-area approvals, and option 05 specifies a 0.5 m (20 in) probe cable.
The ordered configuration has no standoff adapter (00), a 5.6 in (approximately 142 mm) probe penetration (056), one 3/4-14 NPT plug only (04), and a 3/4-14 NPT mounting thread (02). The housing uses an aluminum body and 304 stainless-steel sleeve, with typical mass of 1.1 kg without fittings.
For installation, verify the available probe lead, side- and rear-view clearances, sleeve rigidity, target position and complete probe/extension-cable/Proximitor matching. Baker Hughes requires added sleeve support when combined standoff plus penetration exceeds 12 in; this 5.6 in no-standoff configuration is below that threshold.
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Full part number | 21000-34-05-00-056-04-02 |
| Product type | Externally mounted proximity-probe housing assembly |
| Housing series | 21000 aluminum housing |
| Housing / sleeve material | Aluminum body with 304 stainless-steel sleeve |
| Probe option | 34 — 3300 XL 8 mm probe with connector protector; selectable hazardous-area approvals |
| Probe cable length | 05 — 0.5 m (20 in) |
| Standoff adapter | 00 — no standoff adapter |
| Probe penetration | 056 — 5.6 in (approximately 142 mm) |
| Fittings | 04 — one 3/4-14 NPT plug only |
| Mounting thread | 02 — 3/4-14 NPT |
| Typical mass | 1.1 kg (2.4 lb) without fittings |
| Included assembly elements | Dome cover, threaded conduit ports, probe sleeve, O-rings, reverse-mount probe and thread seal |
| Probe operating / storage temperature | -51°C to +177°C (-60°F to +351°F) for the 3300 XL 8 mm probe |
| Sleeve-support rule | Additional support is required when combined standoff plus penetration exceeds 304 mm (12 in) |
| Approval boundary | Verify exact housing marking; CA21000 is the CSA explosion-proof variant |
| Official document | Baker Hughes datasheet 141600 Rev. AC |
Bently Nevada 21000-34-05-00-056-04-02 is an aluminum external-mount proximity-probe housing assembly with a configured 3300 XL 8 mm probe.
Option 34 in 21000-34-05-00-056-04-02 specifies a 3300 XL 8 mm probe with connector protector and selectable hazardous-area approvals.
Option 05 in 21000-34-05-00-056-04-02 specifies a 0.5 m (20 in) probe cable.
Ordering field 056 gives 21000-34-05-00-056-04-02 a 5.6 in penetration, approximately 142 mm.
21000-34-05-00-056-04-02 uses one 3/4-14 NPT plug through option 04 and a 3/4-14 NPT mounting thread through option 02.
No. Ordering field 00 in 21000-34-05-00-056-04-02 specifies no standoff adapter.
The official support rule applies above 12 in combined standoff plus penetration. 21000-34-05-00-056-04-02 has no standoff and 5.6 in penetration, so it is below that threshold, subject to site rigidity checks.
No. Verify the exact nameplate; Baker Hughes identifies CA21000, not a standard 21000 code by itself, as the CSA explosion-proof housing variant.
Before ordering 21000-34-05-00-056-04-02, verify 5.6 in penetration, probe lead, target position, mounting thread, fittings, clearances, approvals and matching transducer components.
Send the complete Bently Nevada model, quantity, destination, mating probe or cable or Proximitor part numbers, approval requirements and clear nameplate photos. Identification details will be verified before availability and lead time are confirmed.
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