21000-16-10-00-144-03-02 Bently Nevada Housing Assembly 3300 XL

Overview

21000-16-10-00-144-03-02 Bently Nevada proximity probe housing assembly integrates an inverted 3300 XL 8 mm transducer with a rugged aluminum body and 304 stainless steel sleeve. Engineers specify this 21000-16-10-00-144-03-02 enclosure system to secure external machinery vibration probes while satisfying API 670 standards in hazardous industrial areas.

Part Number Configuration Breakdown

Technical Specifications Data Sheet

• Manufacturer: Bently Nevada
• Model Part Number: 21000-16-10-00-144-03-02
• Product Type: Proximity Probe Housing Assembly
• Housing Material: Aluminum body with 304 stainless steel sleeve
• Enclosure Rating: CSA Type 4, Explosion-proof
• Total Physical Weight: Approximately 1.1 kg (2.4 lbs) without fittings
• Maximum Penetration Limit: Up to 32.9 in (83.5 cm) combined dimension
• Compliance Standards: API 670 Compliant, RoHS Directive 2011/65/EU, FCC Part 15

Mechanical Installation and Alignment Guidelines

Mount the 21000-16-10-00-144-03-02 housing securely using the 3/4-14 NPT mounting thread. Because the probe penetration length (Option D) is 14.4 inches—exceeding the 12-inch threshold—install an auxiliary internal sleeve support near the probe tip to eliminate fluid-induced resonance. Ensure thread seal compounds are applied correctly and tighten the dome cover to maintain CSA Type 4 environmental integrity.

Routine Upkeep and Inspection Protocols

Inspect the cable seal grip grommets periodically to verify that environmental moisture or oil vapor cannot bypass the cable entry point. Check exterior aluminum and stainless steel components annually for galvanic corrosion if deployed in offshore or highly corrosive chemical processing atmospheres.

Hazardous Area Certifications

• North America CSA Explosion-Proof: Class I, Divisions 1 & 2, Groups C & D
• Dust Ignition Proof: Class II, Divisions 1 & 2, Groups E, F, & G
• Non-Incendive Circuit Rating: Compliant with installation drawing 140979
• Ambient Operating Temperature Limits: T5 at -50°C to +40°C; T4 at -50°C to +80°C

Shipment Contents and Warranty Protection

• One 21000-16-10-00-144-03-02 Probe Housing Assembly Unit
• Screw-in Domed Protective Cover
• Configured 3/4-14 NPT Conduit Fittings and Reducer Kit
• Cable Seal Grip with Selection Grommets
• Comprehensive 12-Month Factory Replacement Warranty

Logistics and Dispatch Information

We process and dispatch orders containing the 21000-16-10-00-144-03-02 within 24 to 48 hours of verification. We utilize premier international freight carriers including FedEx, UPS, and DHL to ensure secure global transit.

Target Industrial Equipment and Applications

• Heavy-Duty Industrial Steam Turbines
• Large Multistage Centrifugal Compressors
• High-Speed Gas Turbine Generator Sets
• High-Capacity Heavy Industrial Pumps
• Critical Gearbox Shaft Monitoring Skids

Advanced Diagnostic Capabilities

The 21000-16-10-00-144-03-02 assembly houses a precise reverse-mount 3300 XL probe that feeds instantaneous gap voltage variations directly to monitoring racks. This setup allows machinery protection systems to identify abnormal shaft orbital motion, bearing wear, and unbalance forces before structural failure occurs.

Global PLC Spare HUB's Insight

Global PLC Spare HUB vibration specialists highlight that when utilizing deep-penetration probe housings like the 21000-16-10-00-144-03-02, verifying proper clearance inside the counterbore is vital to prevent side-view electromagnetic clipping against machine casing walls.

Model Comparison and Technical Advice

For applications requiring shorter insertion depths, evaluate the alternative 21000-16-05-00-105-03-02 model configuration. While that unit features a shorter 1.05-inch penetration depth and a 0.5-meter cable suited for compact machinery casings, deploying the 21000-16-10-00-144-03-02 provides the extended 14.4-inch reach necessary for thick-walled turbine barrels.

Frequently Asked Questions

Why is intermediate sleeve support mandatory when probe penetration exceeds 12 inches?

Extended probe sleeves vibrate under high fluid turbulence velocities; adding internal mechanical support prevents fatigue cracks and resonant distortion.

How do I select the correct cable seal grommet size during field wiring?

Match your armored or unarmored signal cable outer diameter to the corresponding grommet range (1/8 to 3/16, 1/4 to 5/16, or 5/16 to 3/8 inches) to guarantee a moisture-tight seal.

Can this housing be installed in outdoor marine environments without secondary enclosures?

Yes, the CSA Type 4 aluminum and stainless steel construction resists severe weather and dust intrusion without requiring secondary weather hoods.

What is the primary purpose of the reverse-mount probe configuration inside this housing?

Reverse mounting allows the probe tip to face outward toward the internal machinery target while keeping connectors protected safely inside the sealed housing cavity.

How does temperature variation affect the hazardous area rating parameters?

The assembly achieves a T5 temperature class in ambient conditions up to 40°C and a T4 temperature class in environments reaching 80°C.

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