21000-34-00-20-065-03-02 | Bently Nevada 8 mm Proximity Probe Housing Assembly

Introduction to the 21000-34-00-20-065-03-02

When unplanned downtime threatens your production targets, the 21000-34-00-20-065-03-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is engineered for critical rotating machinery monitoring. It combines a durable aluminum body with a 304 stainless steel sleeve. This design ensures long-term reliability in harsh industrial environments. By investing in this assembly, you reduce the risk of costly equipment failures. It directly supports your bottom line through extended asset life.

Key Features and Technical Specifications of the 21000-34-00-20-065-03-02

• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Standoff Adapter: 2 inches, enabling precise probe positioning.
• Probe Penetration: 6.5 inches, suitable for deep bearing housing measurements.
• 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, a standard industrial connection.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Probe Cable Length: 1.0 meter, minimizing signal loss.
• Maximum Dimension (C) + (D): 32.9 inches (83.5 cm), accommodating various installation depths.
• Weight: 1.1 kg (2.4 lb) typical without fittings, simplifying handling.

The 8 mm probe size is a distinctive spec. It offers high sensitivity for early fault detection. This translates into lower maintenance costs and fewer emergency repairs.

Cost-Effective Applications for the 21000-34-00-20-065-03-02

In petrochemical plants, this housing assembly monitors compressor and pump vibrations. It also excels in power generation turbines. The CSA Type 4 enclosure rating ensures reliable operation in wet or dusty conditions. This reduces the need for frequent replacements. Consequently, you achieve a lower total cost of ownership over the equipment's life.

Installation and Setup Guidance

Mount the 21000-34-00-20-065-03-02 using the 3/4-14 NPT thread for a secure fit. Ensure the standoff adapter is correctly torqued to maintain the 2-inch offset. The included fittings simplify conduit connections. Always follow Bently Nevada's manual for proper probe gap setting. This step maximizes measurement accuracy and prevents false alarms.

Maintenance and Reliability Insights

Inspect the O-rings and thread seal annually for wear. The aluminum and stainless steel construction resists corrosion in most environments. This reduces the frequency of part replacements. As a result, your maintenance budget stretches further. The assembly's robust design supports long service intervals, lowering your overall operational costs.

Compatibility and Integration

This housing works with Bently Nevada 3300 XL 8 mm proximity probes. It integrates seamlessly with Bently Nevada monitoring systems. The assembly is fully compliant with API 670 standards. This ensures consistent performance across your rotating machinery fleet. Using standardized components simplifies spare parts management and reduces inventory costs.

Frequently Asked Questions about the 21000-34-00-20-065-03-02

Q: What is the probe penetration length of the 21000-34-00-20-065-03-02?

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

Q: Is this housing assembly suitable for hazardous areas?

A: Yes, it is available with CSA approvals for explosion-proof and intrinsically safe applications.

Q: What materials are used in the 21000-34-00-20-065-03-02?

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

Q: What is the weight of this assembly?

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

Q: Does the 21000-34-00-20-065-03-02 include a probe cable?

A: No, the probe cable is not included; the suffix code -00 indicates cable not required.

Product Support and Availability

The 21000-34-00-20-065-03-02 is in stock and ready to ship from Petro Auto Tech. We offer a 12-month factory warranty on this new, original Bently Nevada part. Contact our team for ordering assistance or technical questions.