21000-34-00-15-066-04-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the Bently Nevada 21000-34-00-15-066-04-02

When machinery vibration threatens uptime, the 21000-34-00-15-066-04-02 from Bently Nevada provides a robust housing solution. This proximity probe housing assembly is designed for externally mounted probes in industrial environments. It supports the 3300 XL 8 mm probe with a connector protector. The assembly includes an aluminum body with a 304 stainless steel sleeve. It also features a 1.5 in standoff adapter and a 6.6 in probe penetration. This unit is ideal for critical rotating equipment monitoring.

Key Features and Technical Specifications of the 21000-34-00-15-066-04-02

• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Standoff Adapter: 1.5 in length for precise probe positioning.
• Probe Penetration: 6.6 in for deep access into machinery.
• Fitting Option: One 3/4-14 NPT plug for conduit connection.
• Mounting Thread: 3/4-14 NPT for secure installation.
• Material: Aluminum body with 304 stainless steel sleeve for durability.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Certifications: CSA Type 4 enclosure and API 670 compliant for explosion-proof hazardous areas.

A distinctive feature is the 6.6 in probe penetration, which allows the sensor to reach deep into bearing housings or casings. This ensures accurate vibration data collection even in tight spaces.

Applications and Use Cases

In the oil and gas industry, the 21000-34-00-15-066-04-02 is commonly used for monitoring compressors and turbines. Similarly, power generation facilities rely on this housing for generator and pump protection. The CSA explosion-proof rating makes it suitable for hazardous areas like refineries. By providing a secure mounting platform, it helps prevent false readings caused by housing movement. This directly reduces unplanned downtime and maintenance costs.

Installation and Setup Guide

Begin by selecting the appropriate mounting location on the machine casing. Use the 3/4-14 NPT thread to attach the housing securely. Ensure the standoff adapter is set to the correct 1.5 in length for optimal probe gap. The probe cable is not required with this option, simplifying wiring. Always follow the manufacturer's torque specifications for the dome cover and fittings. Verify that the conduit connections are properly sealed to maintain the CSA Type 4 rating.

Maintenance and Reliability Tips

Regularly inspect the O-rings and thread seal for wear or damage. Clean the exterior with a dry cloth to prevent debris buildup. Check the probe sleeve for any signs of corrosion, especially in harsh environments. The aluminum and stainless steel construction offers long-term reliability. Periodic verification of the housing integrity helps maintain API 670 compliance. This proactive approach extends service life and minimizes unexpected failures.

Compatibility and Integration

The 21000-34-00-15-066-04-02 is designed for use with Bently Nevada 3300 XL 8 mm proximity probes. It integrates seamlessly with Bently Nevada monitoring systems. The housing supports both intrinsically safe and explosion-proof configurations. For hazardous area applications, order the appropriate probe with hazardous area approvals. The CSA Type 4 enclosure ensures compatibility with outdoor installations. Always consult the Bently Nevada documentation for system-specific wiring.

Frequently Asked Questions about the 21000-34-00-15-066-04-02

Q: What is the standoff adapter length for this housing?

A: The standoff adapter length is 1.5 in, as specified by the suffix code -15.

Q: Is the housing suitable for hazardous areas?

A: Yes, the CA versions of the housing are CSA rated explosion-proof when ordered with the correct options.

Q: What is the probe penetration depth?

A: The probe penetration is 6.6 in, indicated by the suffix code -066.

Q: Does this model include a probe cable?

A: No, the probe cable is not required for this option (suffix code -00).

Q: What material is the housing made of?

A: The housing has an aluminum body with a 304 stainless steel sleeve.

Product Support and Availability

The 21000-34-00-15-066-04-02 is available in new and original factory packing from Petro Auto Tech. It comes with a 12-month factory warranty. Contact Petro Auto Tech for current stock and lead times. Our team can assist with ordering and technical inquiries.