21000-00-00-15-226-03-02 / 21000-00-00-00-41-04-02 | Bently Nevada Proximity Probe Housing Assembly

✣ Product Information ✣

Bently Nevada 21000 series Proximity Probe Housing Assembly is an all-metal aluminum housing designed for external installation of proximity probes. Constructed with an aluminum body and 304 stainless steel sleeve, this unit complies with API 670 standard and holds CSA certification. Rated explosion-proof for hazardous locations, it is certified as CSA Type 4 enclosure, suitable for intrinsically safe applications paired with approved proximity probes. The assembly includes dome cover, threaded conduit ports, O-rings, thread seal and configurable fittings to meet diverse field mounting demands.
Available variants include 21000-00-00-15-226-03-02 and 21000-00-00-00-41-04-02, supporting optional standoff adapters and multiple probe penetration lengths. These models do not include built-in probes or probe cables. A wide selection of fitting combinations is offered, ranging from simple NPT plugs to complete cable seal grip sets. For sleeves longer than 304 mm, extra supporting brackets are recommended to suppress vibration, and auxiliary accessories such as probe supports and oil seals are available separately.

✣ Technical Data ✣

Manufacturer: Bently Nevada
Product Model: 21000-00-00-15-226-03-02 / 21000-00-00-00-41-04-02
Product Type: Proximity Probe Housing Assembly
Place of 0rigin: USA

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✣FAQ ✣

Does the 21000 housing assembly come with proximity probe and probe cable?
No. The model suffix “00” indicates probes and probe cables are not included; they need to be ordered separately.

What material is used for the 21000 Proximity Probe Housing Assembly?
It adopts an aluminum main body equipped with a 304 stainless steel sleeve.

What mounting thread standard does this housing use?
It features 3/4-14 NPT mounting thread, corresponding to suffix code 02.

What certifications does the 21000 housing assembly have?
It obtains CSA approval, is explosion-proof for hazardous areas, meets CSA Type 4 enclosure requirements, and complies with API 670 standards.

Is extra support required for long probe sleeves?
Yes. Sleeves exceeding 304 mm (12 inches) need additional supports to reduce vibration. Bently Nevada also provides optional probe support and oil seal part 37948-01.

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