Bently Nevada 31000-26-05-00-100-03-02 Proximity Probe Housing
Product Introduction
The Bently Nevada 31000-26-05-00-100-03-02 offers a secure mounting and protection solution for proximity probes. This housing specifically accommodates a 3300 XL NSv probe and includes a 0.5-meter cable length. Its glass-reinforced PPS construction delivers excellent durability in demanding applications. Moreover, the housing meets rigorous environmental sealing standards. This model ensures reliable sensor performance in critical machinery monitoring systems.
Technical Specifications
The 31000-26-05-00-100-03-02 includes several configurable options that define its precise functionality. We explain these specifications in detail below.
Probe Configuration and Cable Options
This housing accepts the 3300 XL NSv probe exclusively, as the "26" option indicates. The probe cable length measures 0.5 meters (20 inches) , designated by the "05" code. Furthermore, this model features a probe penetration depth of 10.0 inches. The housing does not include a standoff adapter. Therefore, you can mount the probe directly without additional adapters.
Fittings and Mounting Thread
The Bently Nevada 31000-26-05-00-100-03-02 comes with a comprehensive fittings package. This package includes two plugs and one 3/4-14 NPT fitting. Additionally, you receive a 3/4-14 to 1/2-14 NPT stainless steel reducer. A cable seal grip with three grommets completes the assembly. These grommets accommodate cable diameters of 1/8-3/16 inches, 1/4-5/16 inches, and 5/16-3/8 inches. The mounting thread for this housing is 3/4-14 NPT, which is a standard industrial thread size.
Protection Ratings and Certifications
The 31000-26-05-00-100-03-02 carries several important protection certifications. The Canadian Standards Association (CSA) certifies this housing as Type 4X. Additionally, it meets IP66 standards, as verified by SC115582-1 (e) 106. This rating ensures protection against dust ingress and powerful water jets. Furthermore, the housing complies with CENELEC standard EN50014 for electrostatic dissipation. This makes it suitable for use in hazardous areas where plastic materials require static control.
Material Composition and Mechanical Strength
The Bently Nevada 31000-26-05-00-100-03-02 uses high-quality materials for long service life. We describe these materials and their performance characteristics below.
Housing and Hardware Materials
The main housing body consists of glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic. This material contains conductive fibers for static dissipation. The sleeve and retaining chain use AISI 304 stainless steel, which offers excellent corrosion resistance. Meanwhile, the outer sleeve and exterior screws employ AISI 303 stainless steel. This combination provides superior mechanical strength and environmental protection. The O-ring material is Neoprene, which creates a reliable seal between components.
Impact Strength and Temperature Range
This housing demonstrates exceptional impact resistance. BASEEFA certified the Bently Nevada 31000 housing to withstand two separate 4 Joule impacts at -39°C and at 115°C. Similarly, CSA verified that samples can withstand a 7 Joule impact at ambient room temperature. Consequently, the housing maintains structural integrity even under physical shock. The operating temperature range spans from -51°C to +105°C (-60°F to +221°F) . Therefore, this housing performs reliably in both extreme cold and high heat.
Mechanical Load Capacity
The outer sleeve exhibits impressive load-bearing capability. In testing, the sleeve supported 912 N (205 lb) when mounted parallel to horizontal. The housing withstood this load at approximately 38 mm from the unsupported end. This strength ensures the housing protects the internal probe effectively. Additionally, the recommended torque for the retaining nut is 29.4 N·m (260 in·lb) . Following this specification prevents overtightening and potential damage.
Environmental Sealing and Pressure Considerations
The 31000-26-05-00-100-03-02 provides excellent environmental sealing. However, users must understand its pressure limitations as well.
Sealing Performance
This housing seals against hose-directed water according to NEMA 4X and IP66 standards. The sealing mechanism includes a Viton O-ring internal to the probe case. Additionally, a Neoprene O-ring seals between the sleeve and the housing. Therefore, the assembly protects the probe from moisture and particulate ingress effectively. These seals perform reliably across the full temperature range.
Pressure Limitations
Importantly, the Bently Nevada 31000-26-05-00-100-03-02 is not designed to resist internal or external pressure. The plastic housing structure does not serve as a pressure vessel. Consequently, users should not apply this housing in pressurized applications. The factory does not pressure-test these probes prior to shipment. For applications requiring pressure seal testing, please contact our custom design department. We can discuss your specific requirements and possible solutions.
Installation Guidelines
Proper installation of the Bently Nevada 31000-26-05-00-100-03-02 ensures optimal probe performance. Follow these recommended procedures carefully.
Pre-Installation Checklist
First, inspect the housing and all components for any shipping damage. Next, verify that you have the correct 3300 XL NSv probe for this housing model. Check that all fittings from the packaging list are present. Additionally, confirm that your mounting surface has the appropriate 3/4-14 NPT thread. Remember that this housing does not include a standoff adapter. Therefore, plan for direct mounting without an adapter.
Mounting Procedure
Begin by threading the housing into the mounting hole using the 3/4-14 NPT thread. Apply the appropriate sealant if required for your application. Then, insert the 3300 XL NSv probe through the housing until you reach the 10.0-inch penetration depth. Secure the probe in place carefully. Next, attach the cable using the provided seal grip. Select the correct grommet for your cable diameter from the three included options. Finally, tighten the retaining nut to 29.4 N·m (260 in·lb) using a torque wrench.
Post-Installation Checks
After installation, verify that the cable seal grip provides a tight seal around the cable. Ensure all plugs and fittings are secure. Test the probe's functionality according to your system requirements. The housing should show no signs of movement or looseness after installation. Routine inspection will help maintain long-term reliability.
Packaging List
The 31000-26-05-00-100-03-02 ships with the following components:
Bently Nevada 31000 Proximity Probe Housing (main assembly)
Two Plugs
One 3/4-14 NPT Fitting
One 3/4-14 to 1/2-14 NPT SST Reducer
One Cable Seal Grip with three Grommets (for 1/8-3/16", 1/4-5/16", and 5/16-3/8" cables)
Shipping Method: We ship this item via FedEx, UPS, or DHL.
Frequently Asked Questions
1. Which probe works with the 31000-26-05-00-100-03-02 housing?
This housing specifically accepts the 3300 XL NSv probe. The "26" option in the part number confirms this compatibility. Do not use other probe models with this housing.
2. What protection ratings does this Bently Nevada housing carry?
The Bently Nevada 31000 housing holds CSA Type 4X and IP66 certifications. It also complies with CENELEC EN50014 for electrostatic dissipation. These ratings make it suitable for harsh and hazardous environments.
3. Can I use this housing in a pressurized application?
No, the 31000-26-05-00-100-03-02 is not designed for internal or external pressure. It only provides environmental sealing against water and dust. Contact our department if you need pressure seal testing.
4. What is the temperature range for this proximity probe housing?
This housing operates reliably from -51°C to +105°C (-60°F to +221°F). It withstands impacts at both extreme temperatures as well.
5. What torque should I apply to the retaining nut?
Apply 29.4 N·m (260 in·lb) of torque to the retaining nut. Using a torque wrench ensures you achieve the correct specification. Overtightening may damage the housing or probe.