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Bently Nevada 31000-28-05-40-040-02-02
Bently Nevada 31000-28-05-40-040-02-02
· Product image is representative; revision or series may vary. Contact us to request a specific version.

31000-28-05-40-040-02-02

Proximity Probe Housing Assemblies
In Stock
Ships by Friday, August 7
Fast Shipping Available

Product Information:

The 31000-28-05-40-040-02-02 is a high-strength stainless steel external mounting housing assembly for Bently Nevada's 31000 series probes. This assembly is a fully API 670 compliant integrated mechanical hardware system designed for extreme environments such as oil and gas plants, offshore drilling platforms, and large power plants, including turbines, centrifugal compressors, and high-pressure pumps.

Unlike the 21000 series, which uses aluminum alloy, the 31000 series features a housing made of 303 stainless steel, offering superior corrosion and salt spray resistance. This allows maintenance personnel to adjust or replace internal probes directly from the outside without stopping the system or removing the housing.

In real-world industrial operation, this all-stainless steel housing assembly demonstrates unbreakable mechanical and electrical protection. Its IP66-rated seal effectively prevents the fragile coaxial connector from continuous corrosion in high-salt-spray, high-humidity marine environments and highly acidic gas environments on land. Meanwhile, a high-strength stainless steel sleeve firmly locks the high-pressure components inside the bearing housing to prevent lubricant leakage.

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Technical specifications for 31000-28-05-40-040-02-02

  • Manufacturer:
    Bently Nevada
  • Product Category:
    TSI System
  • Estimated shipping dimensions:
    50 x 15 x 10 cm
  • Weight:
    5.2 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
  • Product Type:
    Proximity Probe Housing Assemblies
  • Category Series:
    31000 series
  • Probe with Connector:
    3300 XL 8 mm probe, multiple approvals
  • Probe Cable Length:
    0.5 m (20 in)
  • Standoff Adapter Length:
    4.0 in (101.6 mm)
  • Probe Penetration:
    4.0 in (101.6 mm)
  • Fittings:
    Two 3/4-14 NPT fittings, one plug
  • Mounting Thread:
    3/4-14 NPT (Required if ordering Standoff Adapter Option)
  • Operating temperature:
    -34°C to +177°C (-30°F to + 351°F)
  • Storage temperature:
    -51°C to +177°C (-60°F to +351°F)
  • O-Ring Material:
    Neoprene
  • Recommended Torque(retaining nut):
    29.4 N·m (260 in·lb)
  • Housing Material:
    Glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic containing conductive fibers
  • Stock:
    100

Alternative Names

31000 28 05 40 040 02 02 310002805400400202 3I000-28-05-40-040-02-02 31OOO-28-O5-4O-O4O-O2-O2 31000-2B-05-40-040-02-02 31000-28-05-A0-0A0-02-02 31000-28-05-40-040-02-00 31000-28-05-40-040-02-05 31000-28-05-40-040-02-CN 31000-28-05-40-040-02-BR 31000-28-05-40-040-02-RU

Information

Overview Manuals Basic Info Ordering Information Configuration

Features:

  • Proximity Probe Housing Assemblies
  • 31000 and 32000 Proximity Probe Housing Assemblies
  • The 31000/32000 Proximity Probe Housing Assembly is made of polyphenylene sulfide (PPS)
When proximity probes need to be mounted inside a machine housing, the 31000/32000 type proximity probe housing assembly is recommended. This assembly is typically used for radially mounted sensors, whether for vibration or key phase measurements. Using a proximity probe housing allows for easy external access to the proximity probe and its extension cables, enabling gap adjustment or probe replacement without disassembling the machine.

The 31000/32000 type proximity probe housing assembly is made of polyphenylene sulfide (PPS), an advanced high-strength thermoplastic material with excellent corrosion resistance. Other components of the housing assembly are made of corrosion-resistant stainless steel. Versions of this housing assembly pre-installed with the 3300 XL type proximity probe and various conduit fittings are available by order.

The 31000-28-05-40-040-02-02 Bently Nevada Proximity Probe Housing Assemblies may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 31000-28-05-40-040-02-02 Proximity Probe Housing Assemblies 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.
  • Model: 31000-28-05-40-040-02-02
  • Warranty: One-year warranty
  • Condition: Brand new, original, in stock
  • Product Family: 31000 and 32000 Proximity Probe Housing Assemblies
English Proximity Probe Housing Assemblies
31000 - Axx-Bxx-Cxx-Dxxx-Exx-Fxx

A: Probe with Connector
00: Probe not required
16: 3300 XL 8 mm probe
26: 3300 XL NSv probe
27: 3300 XL NSv probe, multiple approvals
28: 3300 XL 8 mm probe, multiple approvals
29: 3300 XL 8 mm probe, with connector protector
30: 3300 XL 8 mm probe, with connector protector, multiple approvals
31: 3300 XL NSv probe with connector protector
32: 3300 XL NSv probe with connector protector, multiple approvals
33: 3300 XL 11 mm probe
34: 3300 XL 11 mm probe, multiple approvals
35: 3300 XL 11 mm probe with connector protector
36: 3300 XL 11 mm probe with connector protector, multiple approvals
 
B: Probe Cable Length
00: Probe cable not required (Option A must also be 00)
05: 0.5 m (20 in)
10: 1.0 m (39 in)
 
C: Standoff Adapter Length (Option C Dimension)
15: Minimum length 1.5 in (38 mm)
75: Maximum length 7.5 in (191 mm)
Recommendation
Order in increments of 0.5 in (13 mm)
Examples
1.5 in (38 mm) = 15
No standoff adapter = 00
 
D: Probe Penetration Option (Option D Dimension)
10: Minimum length 1.0 in (25.4 mm)
Recommendation
Order in increments of 0.1 in (3 mm)
Examples
No probe sleeve = 000
3.7 in (94 mm) = 037
22.4 in (569 mm) = 224
 
E: Fittings
00: Without fittings
01: One 3/4-14 NPT fitting, two plugs.
02: Two 3/4-14 NPT fittings, one plug
03:
Two plugs, one 3/4-14 NPT fitting
One 3/4-14 to 1/2-14 NPT SST 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
06:  
One 3/4-14 NPT fitting
One 3/4-14 NPT to 1/2-14 NPR SST
reducer
Two plugs
 
F: Mounting Thread
00: No outer sleeve, retainer, or retaining nut
02: 3/4-14 NPT (Required if ordering Standoff Adapter Option).
05: 7/8-14 UNF 2A
Key technical and engineering features of this configuration include comprehensive corrosion protection: thanks to its non-metallic housing, it perfectly withstands the corrosion challenges posed by high salt spray on coastal or offshore oil and gas platforms, achieving a 4X/NEMA 4X/IP66 protection rating. Its physical seal completely blocks the intrusion of heavy rain, powerful water jets, and industrial chemical mists, thus protecting the internal probe connectors.
 
Extended Housing Opening Length (4.0-inch Extension + 4.0-inch Penetration Depth): This option includes a 4.0-inch external extension (Option 40) designed to bypass thick insulation layers, external accessories, or machine surface hardening layers. It pushes the PPS junction box outwards while the internal 304 stainless steel sleeve penetrates 4.0 inches into the housing (Option 040), precisely passing through the bearing housing cover and internal flow channels until it approaches the rotor journal surface.
 
Electrical Cabling Convenience with Dual 3/4 NPT Interfaces: Option E = 02 is a classic two-port cabling solution in the 31000 series. It provides two 3/4-14 NPT output ports, allowing field engineers to connect sensor junction boxes in series for use with multiple machines, or to lay a separate cable with one input and one output, and separate signal and power lines.

Technical notes

The Bentley Nevada 31000-28-05-40-040-02-02 is a PPS high-strength explosion-proof probe housing compliant with API 670 standards. This assembly integrates a 3300 XL 8mm probe with a 4-inch extension joint, boasting CSA Type 4X/IP66 protection. It effectively resists chemical corrosion and allows for external clearance adjustment without disassembling the machine, making it suitable for shaft vibration and position monitoring in harsh environments.
  • Product Lifecycle Stage

    Active/Available from OEM

    As a trusted industrial supplier, Moore Automated provides high-quality Bently Nevada replacement modules and spare parts to support your automation systems. Our efficient solutions are designed to minimize unexpected downtime for our customers, ensuring the smooth operation of your critical business.

Ask our team:

  • What are the main engineering applications of the 31000-28-05-40-040-02-02 in advanced machinery protection and condition monitoring systems?
    The 31000-28-05-40-040-02-02 is an eddy current proximity probe assembly designed for high-precision, non-contact measurement of shaft vibration, radial displacement, axial position, and rotor dynamic characteristics. It can be integrated into calibrated proximity sensor systems to provide accurate shaft motion feedback for protection, diagnostic analysis, and predictive maintenance applications in critical rotating machinery.
  • How does the 31000-28-05-40-040-02-02 achieve accurate displacement measurement using advanced electromagnetic sensing technology?
    The 31000-28-05-40-040-02-02 employs advanced eddy current sensing principles; the probe generates a high-frequency electromagnetic field at its sensing tip. Variations in the probe-target gap alter the induced eddy current response, resulting in a proportional electrical output signal with excellent linearity, repeatability, sensitivity, and dynamic measurement performance.
  • What are the mechanical probe configuration characteristics of the 31000-28-05-40-040-02-02 proximity sensor assembly?
    The 31000-28-05-40-040-02-02 employs a 28 mm probe configuration, hence the "28" in its model name. This mechanical design provides a robust sensing structure, reliable mounting capabilities, enhanced mechanical stability, and suitability for harsh industrial rotating equipment environments.
  • What integrated cable specifications are included in the 31000-28-05-40-040-02-02 design?
    Model 31000-28-05-40-040-02-02 comes with a 5-meter (16.4-foot) integrated coaxial cable, cable number 05. This precision cable assembly features stable electrical characteristics and reliably connects to compatible extension cables and signal conditioning modules.
  • How does Model 31000-28-05-40-040-02-02 maintain excellent signal integrity in harsh electromagnetic environments?
    Model 31000-28-05-40-040-02-02 integrates a shielded impedance-controlled coaxial cable system designed to minimize signal attenuation, impedance variations, electromagnetic interference (EMI), and radio frequency interference (RFI). This ensures reliable transmission of high-resolution axis displacement signals in complex industrial environments.
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Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.