21000-34-00-30-028-04-02 | Bently Nevada 3.0 in Standoff Adapter Probe Housing

Introduction to the 21000-34-00-30-028-04-02 Proximity Probe Housing Assembly

When industrial machinery requires precise vibration monitoring, the 21000-34-00-30-028-04-02 from Bently Nevada delivers a robust solution. This proximity probe housing assembly combines a 3.0 in standoff adapter with a 2.8 in probe penetration, making it ideal for critical rotating equipment. The housing features an aluminum body with a 304 stainless steel sleeve, ensuring durability in harsh environments. With CSA Type 4 enclosure rating and compliance with API 670 Standard, this assembly meets stringent industry requirements for externally mounted proximity probes.

Key Features and Technical Specifications

• Standoff Adapter: 3.0 in length for precise probe positioning.
• Probe Penetration: 2.8 in for accurate measurement depth.
• Fitting Option: One 3/4-14 NPT plug for secure conduit connection.
• Mounting Thread: 3/4-14 NPT for easy installation.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Certifications: CSA explosion-proof rating for hazardous areas; CSA Type 4 enclosure.

A distinctive feature of the 21000-34-00-30-028-04-02 is its 3.0 in standoff adapter, which allows flexible mounting in tight spaces while maintaining probe accuracy. This design reduces installation time and improves measurement reliability.

Real-World Applications

In petrochemical plants, the 21000-34-00-30-028-04-02 monitors compressor vibrations to prevent unplanned downtime. Similarly, power generation facilities use this housing assembly for turbine shaft vibration measurement. Its CSA explosion-proof rating makes it suitable for hazardous areas where safety is paramount. Additionally, the API 670 compliance ensures compatibility with standard vibration monitoring systems.

Installation and Setup Guidance

Mount the 21000-34-00-30-028-04-02 using the 3/4-14 NPT thread for secure attachment. Ensure the standoff adapter is properly aligned to achieve the 2.8 in probe penetration. Use the provided 3/4-14 NPT plug for conduit connections. For hazardous area installations, verify that the housing is ordered with the correct explosion-proof options. Always follow Bently Nevada's installation manual for torque specifications and wiring details.

Maintenance and Reliability Tips

Regularly inspect the 21000-34-00-30-028-04-02 for signs of wear or damage to the O-rings and probe sleeve. Clean the housing exterior with a dry cloth to prevent debris buildup. Check the conduit connections periodically to ensure a tight seal. By following these simple steps, you extend the service life of the assembly and maintain measurement accuracy, reducing long-term replacement costs.

Compatibility and Integration

The 21000-34-00-30-028-04-02 integrates seamlessly with Bently Nevada vibration monitoring systems and other standard industrial controllers. Its 3300 XL 8 mm probe is compatible with most proximity probe drivers. The CSA Type 4 enclosure ensures protection against dust and water ingress, making it suitable for outdoor or washdown environments.

Common Questions About the 21000-34-00-30-028-04-02

Q: What is the standoff adapter length for this housing?

A: The standoff adapter length is 3.0 in, as specified by the suffix code 30.

Q: Is this housing suitable for hazardous areas?

A: Yes, when ordered with the appropriate explosion-proof options (E:00, E:01, E:02, or E:04), the CSA version is rated explosion-proof.

Q: What probe does this assembly use?

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

Q: What is the weight of the assembly?

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

Q: What certifications does this product have?

A: It is CSA Type 4 enclosure rated and compliant with API 670 Standard.

Product Support and Availability

The 21000-34-00-30-028-04-02 is in stock and ready to ship from Petro Auto Tech. As a trusted supplier of industrial automation parts, Petro Auto Tech offers new and original factory-packed units with a 12-month warranty. Contact our team for pricing and delivery options.