21000-34-05-00-050-04-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the Bently Nevada 21000-34-05-00-050-04-02

When machinery vibration threatens uptime, the 21000-34-05-00-050-04-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is designed for hazardous area applications. It includes a 3300 XL 8 mm probe with connector protector. The assembly supports selectable hazardous area approvals. Engineers trust this model for its durable construction and precise measurements.

Key Features and Technical Specs

The 21000-34-05-00-050-04-02 offers several standout features. Below are the core specifications from the manufacturer.

• Probe Option: 3300 XL 8 mm probe with connector protector.
• Probe Cable Length: 0.5 m (20 in).
• Standoff Adapter: None (00 option).
• Probe Penetration: 5.0 in (050 option).
• Fitting Option: One 3/4-14 NPT plug only.
• Mounting Thread: 3/4-14 NPT (required when standoff adapter is not ordered).
• Material: Aluminum body with 304 stainless steel sleeve.
• Maximum (C) + (D) Dimension: 13.5 in (34.3 cm).
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

A unique insight: the 5.0 in probe penetration allows deep insertion into bearing housings. This ensures accurate vibration readings even in tight spaces. The 0.5 m cable length simplifies routing in compact installations.

Applications and Use Cases

This housing assembly is ideal for rotating machinery monitoring. For example, it works well on pumps, compressors, and turbines. The CSA Type 4 enclosure rating makes it suitable for outdoor and washdown environments. Additionally, its explosion-proof certification supports use in hazardous areas. The assembly complies with API 670 standards for externally mounted probes. Therefore, it fits critical safety and reliability programs.

Installation Guide

Installing the 21000-34-05-00-050-04-02 requires careful attention. First, ensure the mounting thread (3/4-14 NPT) matches the housing port. Then, insert the probe sleeve to the specified penetration depth. Tighten the fitting to secure the assembly. Use the included O-rings and thread seal to prevent leaks. Finally, connect the probe cable to the monitoring system. Always follow the manufacturer's manual for torque values.

Maintenance and Reliability

Regular inspection extends the life of this housing assembly. Check the O-rings and seals for wear annually. Also, verify the probe connector is clean and tight. The aluminum body resists corrosion in most environments. For hazardous areas, follow the approved maintenance procedures. This proactive care reduces unplanned downtime and repair costs.

Compatibility and Integration

The 21000-34-05-00-050-04-02 integrates with Bently Nevada monitoring systems. It works with 3300 XL series proximity probes and compatible rack-based monitors. The assembly supports both standard and intrinsically safe installations. For system integration, consult the Bently Nevada documentation or contact Petro Auto Tech.

Troubleshooting and Common Issues

Common issues include loose connections or damaged probe cables. If readings are erratic, check the connector and cable for damage. Also, verify the probe penetration depth is correct. Environmental factors like moisture can affect performance. Therefore, ensure the housing is properly sealed. For persistent problems, refer to the official troubleshooting guide.

Frequently Asked Questions

Q: What is the probe cable length of the 21000-34-05-00-050-04-02?

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

Q: Is this housing assembly explosion-proof?

A: Yes, the CA version of the housing is rated explosion-proof by CSA when ordered with specific options.

Q: What material is the housing made of?

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

Q: What is the mounting thread size?

A: The mounting thread is 3/4-14 NPT.

Q: Does the assembly include a standoff adapter?

A: No, the standoff adapter option is 00 (none).

Product Support and Availability

The 21000-34-05-00-050-04-02 is in stock and ready to ship from Petro Auto Tech. We offer new, original factory-packed units with a 12-month warranty. Contact our team for pricing and lead times. Please verify current lifecycle status and availability with Petro Auto Tech before ordering.