21000-34-10-30-018-03-02 | Bently Nevada 8 mm Proximity Probe Housing Assembly

Introduction to the 21000-34-10-30-018-03-02

When reliable vibration monitoring is critical for rotating machinery, the 21000-34-10-30-018-03-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is designed for harsh industrial environments. It combines an aluminum body with a 304 stainless steel sleeve for durability. The assembly includes a 3300 XL 8 mm probe with connector protector for selectable hazardous area approvals. Maintenance engineers appreciate its straightforward design and long service life.

Key Features and Technical Specs

• Probe Option: 3300 XL 8 mm probe with connector protector for hazardous areas.
• Probe Cable Length: 1.0 m (39 in) for flexible installation.
• Standoff Adapter: 3.0 in for precise probe positioning.
• Probe Penetration: 1.8 in for accurate measurement.
• Fitting Option: Includes one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and cable seal grip with grommets for cable sizes 1/8 to 3/8 inches.
• Mounting Thread: 3/4-14 NPT for secure installation.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Maximum Cable + Probe Dimension: 32.9 in (83.5 cm) for extended reach.

The distinctive 8 mm probe size allows precise measurement in tight spaces. This spec directly impacts reliability by reducing installation errors.

Real-World Applications

In petrochemical plants, the 21000-34-10-30-018-03-02 monitors shaft vibration on compressors and pumps. Its CSA Type 4 enclosure and API 670 compliance make it suitable for hazardous areas. Maintenance teams use it to detect early bearing wear and prevent unplanned downtime. The assembly's robust construction withstands high temperatures and corrosive atmospheres.

Installation and Setup

Mount the housing using the 3/4-14 NPT thread for a secure fit. Adjust the standoff adapter to 3.0 in for optimal probe clearance. Connect the 1.0 m cable to the monitoring system. Ensure the probe penetration of 1.8 in is maintained for accurate readings. Use the included fittings to seal conduit connections properly.

Maintenance and Reliability

Regular inspection of the probe and cable ensures consistent performance. Check the O-rings and thread seal for wear during routine shutdowns. The stainless steel sleeve resists corrosion, extending service life. Following the manufacturer's manual helps avoid common issues like loose connections or probe damage.

Compatibility and Integration

The 21000-34-10-30-018-03-02 integrates with Bently Nevada monitoring systems. It is fully compliant with API 670 for externally mounted proximity probes. The assembly works with standard 8 mm proximity probes. Use it with existing vibration monitoring setups for seamless upgrades.

Common Questions About the 21000-34-10-30-018-03-02

Q: What is the probe cable length?

A: The probe cable length is 1.0 m (39 in) as specified in the ordering information.

Q: What mounting thread does this assembly use?

A: It uses a 3/4-14 NPT mounting thread, which is required when the standoff adapter length is not -00.

Q: Is this housing suitable for hazardous areas?

A: Yes, it is rated explosion proof with CSA approvals and can be ordered with hazardous area approved probes.

Q: What materials are used in the housing?

A: The housing has an aluminum body with a 304 stainless steel sleeve for durability and corrosion resistance.

Q: What is the typical weight of this assembly?

A: The typical weight is 1.1 kg (2.4 lb) without fittings.

Product Support and Availability

The 21000-34-10-30-018-03-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for lifecycle status and availability before ordering. We provide 12 months factory warranty on new original parts.