21000-34-00-00-050-03-02 | Bently Nevada 5.0 in Probe Housing Assembly

Solving Vibration Monitoring Challenges with the 21000-34-00-00-050-03-02

When rotating machinery demands precise vibration monitoring in hazardous environments, engineers need a housing that withstands harsh conditions. The Bently Nevada 21000-34-00-00-050-03-02 proximity probe housing assembly delivers reliable performance. This unit features a 5.0 inch probe penetration and a 3/4-14 NPT mounting thread. It is part of the trusted 21000 series from Bently Nevada. The housing is built for durability and safety in demanding industrial settings.

Key Features and Technical Specs of the 21000-34-00-00-050-03-02

• Probe Option: 3300 XL 8 mm probe with connector protector, selectable hazardous area approvals.
• Probe Cable Length: Not required (option 00).
• Standoff Adapter: No adapter (option 00).
• Probe Penetration: 5.0 inches (option 050).
• Fitting Option: Includes one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and one cable seal grip with grommets for cable sizes 1/8 to 3/16 inches, 1/4 to 5/16 inches, and 5/16 to 3/8 inches.
• Mounting Thread: 3/4-14 NPT (option -02).
• Material: Aluminum body with 304 stainless steel sleeve.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

A distinctive spec is the 5.0 inch probe penetration, which allows deep insertion into machine casings for accurate proximity measurements. This feature is critical for monitoring shaft vibration in large rotating equipment.

Real-World Applications of the 21000-34-00-00-050-03-02

This housing assembly is ideal for use in refineries, chemical plants, and power generation facilities. It supports vibration monitoring on turbines, compressors, and pumps. The housing is certified as CSA Type 4 enclosure and complies with API 670 Standard for externally mounted proximity probe housings. Consequently, it meets strict industry requirements for safety and reliability.

Installation Guide for the 21000-34-00-00-050-03-02

Mount the housing using the 3/4-14 NPT thread. Ensure the probe sleeve is correctly aligned with the machine surface. Select the appropriate cable seal grip grommet for your cable diameter. Tighten all fittings securely to maintain the explosion-proof rating. Always follow the manufacturer’s manual for detailed steps.

Maintenance and Reliability Tips

Inspect the housing periodically for signs of wear or damage. Check the O-rings and thread seal for integrity. Verify that the conduit connections remain tight. Regular inspection helps extend service life and prevent unplanned downtime. This proactive approach reduces long-term maintenance costs.

Compatibility and Integration

The 21000-34-00-00-050-03-02 works with Bently Nevada proximity probes and monitoring systems. It is designed for use with 3300 XL 8 mm probes. The housing is available with CSA approvals for hazardous areas. For integration details, consult the official Bently Nevada documentation.

Frequently Asked Questions about the 21000-34-00-00-050-03-02

Q: What is the probe penetration length of the 21000-34-00-00-050-03-02?

A: The probe penetration is 5.0 inches (option 050).

Q: What mounting thread does this housing use?

A: It uses a 3/4-14 NPT mounting thread (option -02).

Q: Is the housing suitable for hazardous areas?

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

Q: What materials are used in the housing construction?

A: The body is aluminum with a 304 stainless steel sleeve.

Q: What is the typical weight of this assembly?

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

Product Support and Availability

The Bently Nevada 21000-34-00-00-050-03-02 is in stock and ready to ship. Contact Petro Auto Tech for pricing and lead times. We provide new and original factory-packed units with a 12-month warranty.