21000-34-10-15-066-03-02 | Bently Nevada 8 mm Proximity Probe Housing Assembly

What Is the 21000-34-10-15-066-03-02?

When machinery reliability is critical, the 21000-34-10-15-066-03-02 from Bently Nevada provides a robust solution for proximity probe housing. This assembly is designed for externally mounted probes in hazardous areas, meeting API 670 standards. It includes a 1.0 m probe cable, a 1.5 in standoff adapter, and a 6.6 in probe penetration. The aluminum body with a 304 stainless steel sleeve ensures durability in harsh environments. Engineers can trust this unit for accurate vibration and position measurements.

Key Features & Technical Specs

• Probe Option: 3300 XL 8 mm probe with connector protector for selectable hazardous area approvals.
• Probe Cable Length: 1.0 m (39 in) for flexible installation.
• Standoff Adapter: 1.5 in for precise probe positioning.
• Probe Penetration: 6.6 in for deep mounting requirements.
• 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 sizes from 1/8 to 3/8 inches.
• Mounting Thread: 3/4-14 NPT for secure attachment.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Maximum Dimensions: 17.0 in (43.18 cm) with visible probe P/N and S/N; 32.9 in (83.5 cm) total.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

One distinctive spec is the 6.6 in probe penetration, which allows the assembly to reach deep into machinery for accurate readings, reducing installation complexity in tight spaces.

Applications & Use Cases

In industrial settings, the 21000-34-10-15-066-03-02 excels in vibration monitoring for turbines, compressors, and pumps. Its CSA Type 4 enclosure and explosion-proof rating make it ideal for hazardous areas like oil refineries and chemical plants. For example, a petrochemical facility can use this assembly to monitor shaft displacement, preventing costly unplanned downtime. The 1.0 m cable length offers flexibility in routing to monitoring systems.

Installation Guide

Mounting the 21000-34-10-15-066-03-02 requires a 3/4-14 NPT threaded port. First, attach the standoff adapter and probe sleeve to the housing body. Then, secure the assembly using the provided fittings. Ensure the probe cable is routed through the cable seal grip with the appropriate grommet for your cable size. Finally, tighten the dome cover to seal the enclosure. Always follow the manufacturer’s manual for torque specifications.

Maintenance & Reliability

Regular inspection of the O-rings and cable seal grip ensures the housing remains explosion-proof. Check for any signs of wear on the stainless steel sleeve and aluminum body. The typical weight of 1.1 kg makes it easy to handle during maintenance. By following routine care, users extend the service life of the assembly, reducing total cost of ownership.

Common Questions About the 21000-34-10-15-066-03-02

Q: What probe type does this assembly use?

A: It uses a 3300 XL 8 mm probe with a connector protector, suitable for selectable hazardous area approvals.

Q: What is the maximum cable length?

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

Q: Is this housing suitable for explosive environments?

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

Q: What mounting thread is required?

A: It uses a 3/4-14 NPT mounting thread.

Q: What is the weight of the assembly?

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

Product Support & Availability

The 21000-34-10-15-066-03-02 is available from Petro Auto Tech as a new, factory-packaged unit. It comes with a 12-month warranty. Contact Petro Auto Tech for current stock and lifecycle status before ordering.