21000-34-10-00-050-03-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the 21000-34-10-00-050-03-02

When machinery vibration threatens uptime, the 21000-34-10-00-050-03-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is designed for harsh industrial environments. It features an aluminum body with a 304 stainless steel sleeve. The assembly includes a dome cover, threaded ports, and a probe sleeve. It also comes with O-rings and a reverse mount proximity probe. This unit is rated explosion proof for hazardous areas. It meets CSA Type 4 enclosure standards. It also complies with API 670 for externally mounted probes.

Key Features and Technical Specs of the 21000-34-10-00-050-03-02

• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Probe Cable Length: 1.0 m (39 in).
• Standoff Adapter: None (00 option).
• Probe Penetration: 5.0 in (050 option).
• Fitting Option: 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: 3/4-14 NPT (option -02).
• Material: Aluminum body with 304 stainless steel sleeve.
• Maximum (C) + (D) with visible probe P/N and S/N: 17.0 in (43.18 cm).
• Maximum (C) + (D) Dimension: 32.9 in (83.5 cm).
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

A standout spec is the 8 mm probe size, which allows precise measurement in tight spaces. This directly improves reliability by catching early vibration changes.

Applications and Use Cases for the 21000-34-10-00-050-03-02

This housing assembly is ideal for monitoring rotating machinery like pumps, compressors, and turbines. In petrochemical plants, its explosion-proof rating ensures safe operation near volatile substances. For power generation, the API 670 compliance guarantees consistent performance. Maintenance teams rely on it to detect shaft vibration and position. This reduces unplanned downtime and extends equipment life.

Installation and Setup of the 21000-34-10-00-050-03-02

Mount the housing using the 3/4-14 NPT thread. Ensure the probe sleeve penetrates exactly 5.0 in. Use the included fittings: the 3/4-14 NPT plug and reducer. Secure the cable seal grip with the proper grommet for your cable size. Verify the O-rings are seated correctly to maintain the explosion-proof seal. Always follow the manufacturer's manual for torque values.

Maintenance and Reliability of the 21000-34-10-00-050-03-02

Inspect the housing periodically for corrosion or damage. Check the O-rings and seals during routine shutdowns. The aluminum and stainless steel construction resists harsh chemicals. This design minimizes maintenance frequency. Regular inspection per manufacturer guidelines ensures long service life. This approach reduces total cost of ownership.

Compatibility and Integration of the 21000-34-10-00-050-03-02

This assembly works with Bently Nevada monitoring systems. It accepts 3300 XL 8 mm proximity probes. The CSA Type 4 rating allows outdoor use. The API 670 compliance ensures integration with standard vibration monitoring setups. For specific compatibility, consult the official Bently Nevada documentation.

Troubleshooting Common Issues with the 21000-34-10-00-050-03-02

If readings are erratic, check the cable seal grip for proper compression. Loose fittings can cause signal noise. Verify the probe penetration depth is exactly 5.0 in. Inspect the O-rings for wear. If the housing fails to seal, replace the grommets. Always refer to the Bently Nevada manual for detailed diagnostics.

FAQ about the 21000-34-10-00-050-03-02

What is the probe cable length of the 21000-34-10-00-050-03-02?

The probe cable length is 1.0 m (39 in).

What is the probe penetration depth for this model?

The probe penetration depth is 5.0 in (050 option).

What mounting thread does the 21000-34-10-00-050-03-02 use?

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

Is this housing assembly explosion proof?

Yes, it is rated explosion proof for hazardous areas and CSA Type 4.

What is the weight of the 21000-34-10-00-050-03-02?

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

Product Support and Availability

The 21000-34-10-00-050-03-02 is in stock and ready to ship from Petro Auto Tech. It comes as new and original in factory packing with a 12-month warranty. Contact Petro Auto Tech for current lifecycle status and availability before ordering.