Bently Nevada | 21000-28-05-20-030-04-02 | Probe Housing Assembly

Bently Nevada Proximity Probe Housing Assemblies (Model 21000)

Quick Look

New, factory-sealed proximity probe housing by Bently Nevada. Built for hazardous areas. Includes dome cover, threaded ports, probe sleeve, O-rings, reverse-mount probe, and key parts. Explosion-proof rated & API 670 compliant.

Key Details

Brand: Bently Nevada
Model: 21000
Material: Aluminum body + 304 stainless steel sleeve
Weight: 1.1 kg (2.4 lb) (no extra fittings)
Max Size (C+D): 13.5 in (34.3 mm) (0.5m cable)

Suffix Code Breakdown (Tree View)

Product Number: 21000-28-05-20-030-04-02
├─ 28: 3300 XL 8 mm probe (with hazardous area approval choices)
├─ 05: 0.5 m (20 in) probe cable length
├─ 20: 2 in standoff adapter
├─ 030: 3 in probe penetration
├─ 04: Includes 1x 3/4-14 NPT plug (only)
└─ 02: 3/4-14 NPT mounting thread (needed if standoff ≠ “00”)

Install Tips

Use 3/4-14 NPT thread (from suffix 02) if your standoff adapter isn’t “00”.

Works With

3300 XL 8 mm probes
Hazardous area-approved probes (for safe setups)

Certifications

CSA-approved: Explosion-proof for North America (Class I/II Div 1/2, Groups C/D/E/F/G; Class III)
Enclosure Type 4
RoHS 2011/65/EU compliant
API 670 Standard: For external proximity probe housings

What’s Included

Dome cover | Threaded conduit ports | Probe sleeve | O-rings | Reverse-mount probe | Thread seal | Optional conduit fittings | 2-in standoff adapter | 3/4-14 NPT plug

Download PDF file here:21000-24701-Datasheet