21000-28-00-30-018-03-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the 21000-28-00-30-018-03-02

When unplanned downtime strikes rotating machinery, the 21000-28-00-30-018-03-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is part of the 21000 series, designed for externally mounted vibration monitoring. With a 3300 XL 8 mm probe and selectable hazardous area approvals, it ensures accurate data collection in demanding environments. By preventing unexpected failures, this housing assembly reduces maintenance costs and extends equipment life.

Key Features and Technical Specs of the 21000-28-00-30-018-03-02

• Probe Option: 28 = 3300 XL 8 mm probe with selectable hazardous area approvals.
• Standoff Adapter: 30 = 3 inches, providing precise probe positioning.
• Probe Penetration: 018 = 1.8 inches, ensuring optimal clearance.
• Fitting Option: 03 includes one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and cable seal grip for cables 1/8 to 3/8 inches.
• Mounting Thread: 02 = 3/4-14 NPT, required without standoff adapter.
• Material: Aluminum body with 304 stainless steel sleeve for durability.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

These specs directly impact cost-efficiency: the 8 mm probe reduces false readings, while the stainless steel sleeve withstands harsh conditions, minimizing replacement frequency.

Applications and Use Cases for the 21000-28-00-30-018-03-02

In industries like oil and gas, power generation, and petrochemicals, the 21000-28-00-30-018-03-02 monitors critical rotating equipment such as turbines, compressors, and pumps. Its CSA Type 4 enclosure and explosion-proof rating make it ideal for hazardous areas. For example, in a refinery, this housing assembly can detect shaft vibration early, preventing catastrophic failure and saving thousands in repair costs. Additionally, its API 670 compliance ensures seamless integration into existing systems.

Installation and Setup Guide

Mounting the 21000-28-00-30-018-03-02 is straightforward with the 3/4-14 NPT thread. The standoff adapter (3 inches) simplifies positioning. Use the included cable seal grip for cables between 1/8 and 3/8 inches to maintain enclosure integrity. Always follow Bently Nevada’s manual for torque specifications to avoid damaging the probe. Proper installation ensures accurate readings and long-term reliability, reducing the need for costly rework.

Maintenance and Reliability Tips

Regular inspection of the 21000-28-00-30-018-03-02 extends its service life. Check O-rings and seals for wear annually, especially in corrosive environments. The aluminum body with 304 stainless steel sleeve resists corrosion, but verify fittings are tight to prevent moisture ingress. By adhering to a preventive maintenance schedule, you avoid unscheduled downtime and optimize ROI. For hazardous areas, always follow safety protocols per the manufacturer’s manual.

Frequently Asked Questions About the 21000-28-00-30-018-03-02

What probe does the 21000-28-00-30-018-03-02 use?

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

What is the weight of this housing assembly?

A: It weighs 1.1 kg (2.4 lb) typical, without fittings.

What mounting thread is required?

A: The mounting thread is 3/4-14 NPT, as specified by option 02.

Is the 21000-28-00-30-018-03-02 suitable for hazardous areas?

A: Yes, it is CSA certified for explosion-proof applications in Class I Divisions 1 and 2 Groups C and D, and more.

What is the standoff adapter length?

A: The standoff adapter is 3 inches, as indicated by suffix code 30.

Product Support and Availability

The 21000-28-00-30-018-03-02 is in stock and ready to ship from Petro Auto Tech. As a trusted supplier, Petro Auto Tech offers new and original factory-packed units with a 12-month warranty. Contact Petro Auto Tech for lifecycle status and availability before ordering to ensure timely delivery.