31000-28-10-00-026-00-02 | Bently Nevada 1.2 kg 31000 Proximity Probe Housings

Introduction to the Bently Nevada 31000-28-10-00-026-00-02

When a rotating machine's vibration monitoring system must endure harsh conditions, the 31000-28-10-00-026-00-02 from Bently Nevada provides a robust housing solution. This 31000 Proximity Probe Housing is designed to seal differential pressure between the probe tip and the housing main body when used with a 3300 XL 8 mm probe. It is built for reliability in demanding industrial environments, offering a temperature rating of -51°C to +105°C (-60°F to +221°F).

This housing assembly is part of the 31000 series, engineered to protect sensitive proximity probes while maintaining accurate measurements. With a weight of 1.2 kg (2.6 lb) typical, it is a sturdy yet manageable component for installation. The housing is made from glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic containing conductive fibers, ensuring durability and electrostatic dissipation.

Key Features and Technical Specifications

The 31000-28-10-00-026-00-02 offers several standout features that make it suitable for critical monitoring applications. Here are the core specifications:

• Probe Option: 3300 XL 8 mm probe with connector (multiple approvals)
• Probe Cable Length: 1.0 in
• Standoff Adapter: No standoff adapter
• Probe Penetration: 2.6 in
• Mounting Thread: 3/4-14 NPT (required if ordering standoff adapter)
• Housing Material: Glass-reinforced PPS thermoplastic with conductive fibers
• Sleeve Material: AISI 304 stainless steel
• Outer Sleeve and Screws: AISI 303 stainless steel
• O-Ring Material: Neoprene®
• Temperature Rating: -51°C to +105°C (-60°F to +221°F)
• Weight: 1.2 kg (2.6 lb) typical

One distinctive aspect is the housing's impact strength. It is certified by BASEEFA to withstand two separate 4 Joule (3.0 ft·lb) impacts at -39°C (-38°F) and at 115°C (239°F). Additionally, samples were verified by CSA to withstand a 7 Joule (5.2 ft·lb) impact at ambient room temperature. This ruggedness is crucial for protecting probes in high-vibration environments.

Applications and Use Cases

This housing is ideal for use in machinery monitoring systems where vibration and displacement measurements are critical. It is commonly applied in turbines, compressors, pumps, and other rotating equipment. The housing's sealing capability prevents moisture and contaminants from reaching the probe, ensuring consistent performance. For example, in a petrochemical plant, the 31000-28-10-00-026-00-02 can be mounted on a bearing housing to monitor shaft vibration, even in areas with hose-directed water. Its IP66 rating ensures protection against powerful water jets, making it suitable for outdoor or washdown environments.

Installation and Setup

Proper installation is essential for optimal performance. The mounting thread option is 3/4-14 NPT, which is required if you are ordering a standoff adapter. When installing, ensure the probe cable length of 1.0 in is adequate for your routing. The housing should be mounted securely, and the retaining nut should be torqued to the recommended value of 29.4 N·m (260 in·lb). It is important to follow the manufacturer's guidelines for probe insertion depth, as the probe penetration is 2.6 in. Always verify that the O-ring is properly seated to maintain the seal.

Maintenance and Reliability

To ensure long-term reliability, periodic inspection of the housing is recommended. Check the O-ring for wear or damage, as it is critical for sealing. The stainless steel sleeves and screws resist corrosion, but it is still wise to inspect them for any signs of degradation, especially in harsh chemical environments. The housing's impact strength and temperature rating allow it to operate in extreme conditions, but regular maintenance helps prevent unexpected failures. By following a routine inspection schedule, you can extend the service life of the housing and avoid costly downtime.

Compatibility and Integration

The 31000-28-10-00-026-00-02 is designed to work with the 3300 XL 8 mm probe. It is part of the Bently Nevada 31000 series, which is widely used in vibration monitoring systems. The housing can be integrated with Bently Nevada monitoring equipment, but it is also compatible with other systems that accept standard proximity probes. For specific compatibility details, refer to the official documentation or contact Petro Auto Tech for assistance.

Frequently Asked Questions

Q: What is the temperature rating of the 31000-28-10-00-026-00-02?

A: The housing is rated for -51°C to +105°C (-60°F to +221°F), making it suitable for extreme environments.

Q: What is the mounting thread option?

A: The mounting thread option is 3/4-14 NPT, which is required if you are ordering a standoff adapter.

Q: What is the probe penetration depth?

A: The probe penetration option is 2.6 in, which determines how far the probe extends into the housing.

Q: What materials are used in the housing?

A: The housing is made of glass-reinforced PPS thermoplastic, with AISI 304 stainless steel for the sleeve and AISI 303 for the outer sleeve and screws.

Product Support and Availability

The 31000-28-10-00-026-00-02 is available through Petro Auto Tech. Please contact our team to check current availability and lead times. We are committed to providing genuine industrial automation parts to keep your operations running smoothly.