21000-34-00-00-065-03-02 | Bently Nevada 6.5 in Probe Housing Assembly

What Makes the 21000-34-00-00-065-03-02 Essential for Vibration Monitoring?

When machinery protection demands robust and reliable proximity probe mounting, the 21000-34-00-00-065-03-02 from Bently Nevada delivers a proven solution. This housing assembly is engineered for hazardous area use and meets API 670 standards. It provides a secure enclosure for 3300 XL 8 mm probes with connector protector. The assembly ensures consistent performance in demanding industrial environments.

Key Features and Technical Specs of the 21000-34-00-00-065-03-02

• Aluminum body with a 304 stainless steel sleeve for durability.
• Probe penetration of 6.5 inches (065 suffix) for flexible installation.
• 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 sizes from 1/8 to 3/8 inches.
• Mounting thread option -02 specifies 3/4-14 NPT.
• Typical weight of 1.1 kg (2.4 lb) without fittings.
• CSA certified as explosion proof for hazardous areas and Type 4 enclosure rated.

A distinctive spec is the 6.5-inch probe penetration. This allows the housing to accommodate longer probe sleeves for installations where the probe must reach deeper into the machine casing. This flexibility reduces the need for custom adapters.

Real-World Applications for the 21000-34-00-00-065-03-02

Industries such as oil and gas, power generation, and petrochemical processing rely on this housing for turbine and compressor monitoring. The assembly is fully compliant with API 670, making it suitable for externally mounted proximity probes in critical rotating machinery. It supports both standard and intrinsically safe probe configurations.

Installation and Setup Guidance

Mount the housing using the 3/4-14 NPT thread option. Ensure the cable seal grip is properly tightened to maintain the explosion-proof rating. The included reducer allows connection to 1/2-14 NPT conduit. Always follow Bently Nevada's manual for torque specifications and O-ring placement.

Maintenance and Reliability Tips

Periodically inspect the O-rings and thread seal for wear. Verify that the dome cover is securely fastened to maintain the CSA Type 4 enclosure rating. The aluminum and stainless steel construction resists corrosion in harsh environments. Regular checks help extend service life and prevent unplanned downtime.

Compatibility and Integration

The housing works with Bently Nevada 3300 XL 8 mm proximity probes. It is designed for use with Bently Nevada monitoring systems. The CSA approval ensures compatibility with hazardous area installations requiring explosion-proof enclosures.

Frequently Asked Questions about the 21000-34-00-00-065-03-02

Q: What is the probe penetration length of the 21000-34-00-00-065-03-02?

A: The probe penetration is 6.5 inches, as indicated by the 065 suffix code.

Q: Is this housing assembly certified for hazardous areas?

A: Yes, it has CSA approval for explosion-proof use in hazardous locations and is a CSA Type 4 enclosure.

Q: What mounting thread option is included?

A: The -02 suffix specifies a 3/4-14 NPT mounting thread.

Q: What materials are used in the construction?

A: The body is aluminum, and the sleeve is 304 stainless steel.

Q: What fittings come with the assembly?

A: It 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 cables from 1/8 to 3/8 inches.

Product Support and Availability

The 21000-34-00-00-065-03-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for current lifecycle status and ordering assistance. We provide new and original factory-packed units with a 12-month warranty.