31000-16-05-00-068-03-02 | Bently Nevada 3300 XL 8 mm Proximity Probe Housing

Introduction to the Bently Nevada 31000-16-05-00-068-03-02

When machinery protection demands reliable vibration monitoring, the 31000-16-05-00-068-03-02 from Bently Nevada delivers a robust housing solution. This 31000 series proximity probe housing is engineered to accommodate a 3300 XL 8 mm probe, ensuring precise measurement in demanding industrial environments.

With a 0.5 m (20 in) probe cable and a 6.8 in probe penetration option, this housing offers flexibility for various mounting configurations. The unit is built to withstand harsh conditions, featuring a glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic housing with conductive fibers for electrostatic dissipation.

Key Features and Technical Specifications

The 31000-16-05-00-068-03-02 is packed with features that enhance durability and performance. Below are the core specifications:

• Probe Option: 3300 XL 8 mm probe with connector
• Cable Length: 0.5 m (20 in)
• Probe Penetration: 6.8 in
• Mounting Thread: 3/4-14 NPT
• Fittings: Two plugs, one 3/4-14 NPT fitting, one 3/4-14 to 1/2-14 NPT SST reducer, and cable seal grip for various cable sizes
• Housing Material: Glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic with conductive fibers
• Sleeve Material: AISI 304 stainless steel (sleeve and retaining chain), AISI 303 stainless steel (outer sleeve and exterior screws)
• O-Ring Material: Neoprene®
• Temperature Rating: -51°C to +105°C (-60°F to +221°F)
• Weight: 1.2 kg (2.6 lb)

One distinctive feature is the housing's impact strength. Certified by BASEEFA to withstand two separate 4 Joule impacts at -39°C and 115°C, and verified by CSA to withstand a 7 Joule impact at ambient temperature, this housing is built for rugged reliability.

Applications and Use Cases

The 31000-16-05-00-068-03-02 is ideal for vibration monitoring in rotating machinery such as turbines, compressors, and pumps. Its robust construction and IP66 rating make it suitable for outdoor and washdown environments.

For example, in a petrochemical plant, this housing can protect the proximity probe from moisture and dust, ensuring accurate shaft vibration readings. The Type 4X rating certified by CSA and IP66 verification ensure protection against hose-directed water, making it a dependable choice for harsh industrial settings.

Installation and Setup

Proper installation is crucial for optimal performance. The housing features a 3/4-14 NPT mounting thread, which is required if ordering a standoff adapter. The fittings option includes two plugs, a reducer, and a cable seal grip to accommodate cable sizes from 1/8 to 3/8 inches.

When installing, ensure the probe cable is routed through the seal grip and tightened to maintain the IP66 seal. The recommended torque for the retaining nut is 29.4 N·m (260 in·lb). Always follow the manufacturer's guidelines to avoid damaging the housing or probe.

Maintenance and Reliability

Regular inspection of the housing and seals is recommended to maintain its protective rating. Check the O-rings and cable glands periodically for wear or damage. The stainless steel components resist corrosion, but environmental factors like chemical exposure can still affect performance.

By following a routine maintenance schedule, you can extend the service life of the housing and ensure reliable vibration monitoring. The robust design minimizes downtime, contributing to overall operational efficiency.

Compatibility and Integration

The 31000-16-05-00-068-03-02 is designed for use with Bently Nevada 3300 XL 8 mm proximity probes. It is part of the 31000 series, which is widely used in machinery protection systems. The housing is compatible with standard Bently Nevada monitoring systems, but always verify compatibility with your specific system before ordering.

Troubleshooting and Common Issues

If you experience signal loss or erratic readings, check the cable connections and ensure the probe is properly seated. Verify that the cable seal grip is tightened to prevent moisture ingress. If the housing is exposed to extreme temperatures, ensure it remains within the rated range of -51°C to +105°C.

For persistent issues, consult the official Bently Nevada documentation or contact Petro Auto Tech for technical support.

FAQ about the 31000-16-05-00-068-03-02

Q: What is the temperature rating of the 31000-16-05-00-068-03-02?

A: The housing is rated for -51°C to +105°C (-60°F to +221°F).

Q: What probe is compatible with this housing?

A: It is designed for the 3300 XL 8 mm probe with connector.

Q: What is the probe cable length?

A: The cable length option is 0.5 m (20 in).

Q: What protection ratings does this housing have?

A: It has Type 4X rating certified by CSA and IP66 rating verified by SC115582-1 (e) 106.

Product Support and Availability

The 31000-16-05-00-068-03-02 is available from Petro Auto Tech. Please verify current lifecycle status and availability with Petro Auto Tech before ordering. Our team is ready to assist with any questions you may have.