21000-34-00-30-095-04-02 | Bently Nevada 9.5 in Probe Housing Assembly

Introduction to the 21000-34-00-30-095-04-02

When equipment reliability is critical, the 21000-34-00-30-095-04-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is designed for externally mounted probes in hazardous areas. It combines an aluminum body with a 304 stainless steel sleeve for durability. The assembly supports a 3300 XL 8 mm probe with connector protector. Engineers trust this housing for consistent performance in demanding industrial environments.

Key Features and Technical Specs of the 21000-34-00-30-095-04-02

• Probe penetration of 9.5 in (095 code) ensures accurate measurement depth.
• Standoff adapter length of 3 in (30 code) provides proper probe positioning.
• Mounting thread is 3/4-14 NPT (option -02) for secure installation.
• One 3/4-14 NPT plug (04 fitting option) seals the conduit port.
• Probe cable length is 1.0 m, with maximum (C)+(D) dimension of 32.9 in (83.5 cm).
• Weight is 1.1 kg (2.4 lb) typical without fittings, easing handling.
• Housing is CSA Type 4 certified and compliant with API 670 Standard.
• Explosion proof rating for hazardous area use enhances safety.

A standout spec is the 9.5 in probe penetration, which allows deep insertion into machine casings for reliable vibration data.

Applications and Use Cases

This housing assembly is ideal for rotating machinery monitoring in oil and gas, power generation, and petrochemical plants. For example, it mounts externally on compressors or turbines to measure shaft vibration. Its explosion proof rating makes it suitable for Class I, Division 1 hazardous locations. Additionally, the CSA Type 4 enclosure withstands harsh weather and washdowns. Maintenance engineers appreciate its straightforward installation on existing equipment.

Installation Guide for the 21000-34-00-30-095-04-02

Begin by selecting the correct mounting thread: 3/4-14 NPT. Thread the standoff adapter into the machine casing until snug. Insert the probe through the sleeve and secure the dome cover. Ensure the probe cable length of 1.0 m reaches the junction box. Use the included thread seal to prevent leaks. Finally, tighten the 3/4-14 NPT plug into the unused port. Always follow the manufacturer's manual for torque values.

Maintenance and Reliability Tips

Inspect the housing assembly periodically for signs of corrosion or damage. The aluminum body and 304 stainless steel sleeve resist most industrial environments. Verify that the O-rings remain intact to maintain the explosion proof seal. Clean the exterior with a damp cloth; avoid solvents. Regular checks every six months help prevent unplanned downtime. This proactive approach extends service life and reduces replacement costs.

Frequently Asked Questions

Q: What is the probe penetration of the 21000-34-00-30-095-04-02?

A: The probe penetration is 9.5 in, as indicated by the 095 suffix code.

Q: Does this housing include a probe cable?

A: No, the probe cable is not required (00 code). You must order the probe and cable separately.

Q: What mounting thread does the assembly use?

A: It uses a 3/4-14 NPT thread (option -02) for secure installation.

Q: Is the housing suitable for hazardous areas?

A: Yes, it is rated explosion proof and CSA Type 4 certified for hazardous locations.

Q: What is the weight of the assembly?

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

Product Support and Availability

The 21000-34-00-30-095-04-02 is in stock and ready to ship from Petro Auto Tech. We offer new and original factory-packed units with a 12-month warranty. Contact our team for pricing and delivery options.