21000-34-00-15-018-03-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the 21000-34-00-15-018-03-02

When unplanned downtime threatens your production targets, the 21000-34-00-15-018-03-02 from Bently Nevada delivers robust protection for critical machinery. This proximity probe housing assembly is engineered for demanding industrial environments where reliable vibration monitoring is essential. As part of the trusted 21000 series, it combines a durable aluminum body with a 304 stainless steel sleeve for long-lasting performance.

Key Features and Technical Specs of the 21000-34-00-15-018-03-02

• Probe option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Standoff adapter: 1.5 inches for precise probe positioning.
• Probe penetration: 1.8 inches into the housing.
• Fitting option: Includes one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and a cable seal grip with grommets for cable diameters from 1/8 to 3/8 inches.
• Mounting thread: 3/4-14 NPT for secure installation.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

These specs directly reduce installation time and maintenance costs. For example, the included fitting kit eliminates the need for separate purchases, saving both money and procurement effort.

Real-World Applications for the 21000-34-00-15-018-03-02

In petrochemical refineries, the 21000-34-00-15-018-03-02 monitors shaft vibration in compressors and pumps. Its CSA Type 4 enclosure and explosion-proof rating make it ideal for hazardous areas. Similarly, power generation plants use this housing to protect turbines from catastrophic failure. By providing accurate proximity readings, it helps operators schedule maintenance proactively, reducing costly emergency repairs.

Installation and Setup Guide

Mount the housing using the 3/4-14 NPT thread for a secure fit. Adjust the standoff adapter to the 1.5-inch position before tightening. Connect the probe cable through the cable seal grip, selecting the appropriate grommet for your cable size (1/8 to 3/8 inches). Ensure all fittings are properly sealed to maintain the explosion-proof rating. For optimal performance, follow the torque specifications in the Bently Nevada manual.

Maintenance and Reliability Tips

Inspect the O-rings and thread seal annually for wear. Replace them if any cracking or deformation is visible. Regularly check the cable seal grip for tightness to prevent moisture ingress. The stainless steel sleeve resists corrosion, but cleaning with a dry cloth is recommended if debris accumulates. These simple steps extend service life and prevent false readings, directly lowering total cost of ownership.

Compatibility and Integration

The 21000-34-00-15-018-03-02 integrates seamlessly with Bently Nevada monitoring systems. It accepts 3300 XL 8 mm probes with connector protectors, ensuring consistent signal quality. The housing is fully compliant with API 670 standards for externally mounted proximity probes, making it a drop-in replacement for existing installations.

Frequently Asked Questions about the 21000-34-00-15-018-03-02

Q: What is the probe penetration of the 21000-34-00-15-018-03-02?

A: The probe penetration is 1.8 inches, as specified by the -018 suffix code.

Q: Is the 21000-34-00-15-018-03-02 suitable for hazardous areas?

A: Yes, it is rated explosion proof for hazardous areas and comes with CSA approvals.

Q: What mounting thread does the 21000-34-00-15-018-03-02 use?

A: It uses a 3/4-14 NPT thread, which is required when the standoff adapter length option is not -00.

Q: What is the weight of the 21000-34-00-15-018-03-02?

A: It weighs approximately 1.1 kg (2.4 lb) without fittings.

Product Support and Availability

The 21000-34-00-15-018-03-02 is in stock and ready to ship from Petro Auto Tech. Each unit is new and original in factory packing with a 12-month warranty. Contact our team for bulk pricing or expedited delivery options.