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21000-34-05-00-040-03-02

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Bently Nevada 21000-34-05-00-040-03-02 provides a rugged external mounting solution for 3300 XL 8 mm proximity probes while supporting hazardous area installations and API 670 compliance.
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Technical specifications for 21000-34-05-00-040-03-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    21000-34-05-00-040-03-02
  • Product Family:
    21000, 24701, and 164818 Proximity Probe Housing A
  • Product Type:
    Proximity Probe Housing Assembly
  • Stock:
    1
  • Probe with Connector:
    3300 XL 8mm probe with connector protector, selectable hazardous area approvals
  • Probe Cable Length:
    0.5 m (20 in)
  • Standoff Adapter (Option C Dimension):
    No standoff adapter
  • Probe Penetration (Option D Dimension):
    4.0 in
  • Fittings:
    One 3/4-14 NPT plug, One 3/4-14 to 1/2-14 NPT reducer, One cable seal grip with grommets for the following cable sizes: • 1/8 to 3/16 inches, • 1/4 to 5/16 inches, • 5/16 to 3/8 inches
  • Mounting Thread:
    3/4-14 NPT
  • Material:
    Aluminum body with 304 stainless steel sleeve
  • Weight:
    1.2 kg
  • Estimated shipping dimensions:
    31x8.5x8.5cm
  • Tariff Code:
    9025199090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Scenarios Control Interoperability

Features:

  • Rugged aluminum housing combined with a 304 stainless steel sleeve for reliable mechanical protection.
  • CSA explosion-proof certification and API 670 compliance for hazardous industrial installations.
  • Complete mounting package with conduit fittings, cable sealing accessories, and a 4.0 in probe penetration configuration.
Bently Nevada 21000-34-05-00-040-03-02 is built for industrial machinery that requires dependable external proximity probe installation in demanding operating environments. The robust metal construction protects sensing components while maintaining reliable positioning during continuous machine operation. Hazardous area approvals expand application possibilities across oil and gas, power generation, and process industries. The assembly helps simplify installation without compromising safety requirements.

The housing is configured for a 3300 XL 8 mm reverse mount proximity probe and includes a 0.5 m cable with a connector protector. Threaded conduit ports, a secure dome cover, O-rings, and a thread seal contribute to dependable environmental protection. Installation is further supported by the included NPT plug, reducer, and cable seal grip with multiple grommet sizes. The 3/4-14 NPT mounting thread provides compatibility with standard industrial mounting practices.

Bently Nevada 21000-34-05-00-040-03-02 is well suited for equipment where reliable shaft vibration or position monitoring depends on stable probe mounting. The 4.0 in probe penetration accommodates installations requiring extended reach without using a standoff adapter. Proper sleeve selection ensures accurate probe placement, while additional sleeve supports can be added for longer installations to reduce vibration. The combination of durable construction and recognized industry compliance makes the assembly a practical choice for long-term machinery protection.

The 21000-34-05-00-040-03-02 Bently Nevada Proximity Probe Housing Assembly may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-34-05-00-040-03-02 Proximity Probe Housing Assembly Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 21000-34-05-00-040-03-02 Proximity Probe Housing Assembly Specs

General

  • Manufacturer Bently Nevada
  • Model 21000-34-05-00-040-03-02
  • Condition New Original ready stock
  • Product Family 21000-34-05-00-022-03-02,21000-34-05-00-036-03-02,21000-32-05-00-038-03-02
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Circulating Water Pumps: Used for real-time monitoring of axial displacement of large axial flow circulating water pumps in thermal power plants.
  • Cracking Gas Compressors: Suitable for the safety control of bearing status in critical cracking gas compressors in ethylene plants.
  • Industrial Agitation: Deployed for detecting the runout and vibration of agitator shafts in large pharmaceutical and chemical reactors.
  • Oil Pumping Stations: Serving as unattended remote status monitoring for large pipeline pumps in transnational oil pipelines.
  • Gap Fine-tuning: Supports precise control of the internal probe's mounting gap via an external threaded structure.
  • Vibration Suppression: A tight-fitting locking design effectively controls mechanical resonance errors of the probe under high-speed operation.
  • Risk Prevention: Physical isolation controls the risk of chemical media corrosion to the internal sensor and cables.
  • Quality Control: Strict control of machining tolerances during production ensures long-term assembly repeatability.
  • Multi-Sensor: Seamlessly connects to 3300 and 7200 series eddy current probes with different coil diameters.
  • Module Integration: Perfectly compatible with various standard explosion-proof conduits and industrial flexible hose connectors.
  • Monitoring Interoperability: Acquired data can be directly routed to control and monitoring racks such as the 3500/22M or Orbit 60.
  • System Compatibility: Fully compatible with mainstream DCS control systems and PLC analog input card architectures.
Description
Bently Nevada 21000-34-05-00-040-03-02 is an all-metal proximity probe housing assembly used to externally mount 3300 XL 8 mm reverse mount proximity probes. The assembly combines a durable aluminum body with a 304 stainless steel sleeve, providing dependable mechanical protection for the probe in demanding industrial environments. Canadian Standards Association approvals make the housing suitable for hazardous locations where explosion-proof protection is required.

The assembly includes a dome cover that screws into the housing body, threaded conduit ports, a 4.0 in probe sleeve, O-rings, a thread seal, optional conduit fittings, and a reverse mount proximity probe. A 0.5 m (20 in) probe cable with connector protector is supplied, and hazardous area approvals for the probe are selectable according to application requirements. The housing also features a 3/4-14 NPT mounting thread for straightforward installation.

Bently Nevada 21000-34-05-00-040-03-02 is supplied with one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and a cable seal grip with interchangeable grommets supporting cable diameters from 1/8 to 3/16 in, 1/4 to 5/16 in, and 5/16 to 3/8 in. No standoff adapter is included, allowing direct installation where additional spacing is unnecessary.

The housing is certified as a CSA Type 4 enclosure and fully complies with the American Petroleum Institute API 670 Standard for externally mounted proximity probe housings. Sleeve length should always match the installation location, and the probe lead must extend beyond the sleeve. For installations using sleeves longer than 304 mm (12 in), additional sleeve support is recommended to reduce vibration. Bently Nevada also offers compatible probe supports and custom sleeve support solutions for specialized applications.
Alternative Names
21OOO-34-O5-OO-O4O-O3-O2 2I000-34-05-00-040-03-02 210003405000400302 21000-34-05-00-022-03-02 21000-34-05-00-036-03-02 21000-32-05-00-038-03-02 21000-16-10-15-102-03-02 21000-16-10-15-057-03-02
Technical notes
Maximizing inspection depth for large-scale turbomachinery, the Bently Nevada 21000-34-05-00-040-03-02 features an extended 40-inch sleeve length to secure proximity probes in critical clearance control applications.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can Bently Nevada 21000-34-05-00-040-03-02 be used with a standoff adapter?
No. Bently Nevada 21000-34-05-00-040-03-02 is supplied without a standoff adapter because the selected configuration specifies no standoff adapter.
Which probe cable comes with Bently Nevada 21000-34-05-00-040-03-02?
The assembly includes a 3300 XL 8 mm probe with a connector protector and a 0.5 m (20 in) probe cable.
Does Bently Nevada 21000-34-05-00-040-03-02 comply with API 670?
Yes. Full compliance with the American Petroleum Institute API 670 Standard makes the housing suitable for externally mounted proximity probe installations.
What cable sizes fit the seal grip supplied with Bently Nevada 21000-34-05-00-040-03-02?
The cable seal grip accepts grommets for cable diameters of 1/8 to 3/16 in, 1/4 to 5/16 in, and 5/16 to 3/8 in.