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21000-28-05-20-018-04-02

21000-28-05-20-018-04-02 Bently Nevada Explosion Proof Probe Housing Unit

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  • Manufacturer: Bently Nevada

  • Product No.: 21000-28-05-20-018-04-02

  • Product Type: Proximity Probe

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1100g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Bently Nevada 21000-28-05-20-018-04-02 Technical Overview

The Bently Nevada 21000-28-05-20-018-04-02 is a lightweight 1.1 kg (2.4 lb) explosion-proof proximity probe housing assembly designed to protect 3300 XL 8mm eddy current proximity sensors in hazardous industrial environments. Built with a durable aluminum body and a 304 stainless steel probe sleeve, this IP66-rated enclosure meets API 670 standards and provides reliable environmental sealing and mechanical protection for continuous machinery condition monitoring.

Part Number Breakdown

  • 21000: Proximity Probe Housing Assembly Base Model
  • 28: Probe Option — 3300 XL 8mm Probe with Integrated Connector
  • 05: Unthreaded Length — 0.5 inches
  • 20: Overall Case Length — 2.0 inches
  • 018: Total Sleeve Penetration Depth — 1.8 inches (45.7 mm)
  • 04: Fitting Option — 3/4-14 NPT Conduit / Mounting Fitting
  • 02: Standoff Adapter Option — 2.0 inch Standoff Adapter

Technical Specifications Table

Parameter Specification
Manufacturer / Brand Bently Nevada (Baker Hughes)
Full Catalog Number 21000-28-05-20-018-04-02
Sensor Compatibility 3300 XL 8mm Proximity Transducer System
Assembly Weight 1.1 kg (2.4 lbs)
Cable Length / Penetration Depth 0.5 m (20 in) / 1.8 in (45.7 mm) Penetration
Housing & Sealing Material Aluminum Body, 304 Stainless Steel Sleeve, Dual Viton® O-Rings
Mounting Thread / Conduit Entry 3/4-14 NPT Thread (Accepts 1/2" to 1" Conduit Fittings)
Ingress & Pressure Rating IP66 / Tested to 1.5 bar Explosion Containment
Operating Temperature & Vibration -50°C to +80°C (T4 Rating) / 5–2000 Hz Vibration Resistance
Certifications & Standards CSA Class I Div 1 (Type 4 Enclosure), RoHS, API 670 Compliant

Key Features & Installation Notes

Weighing only 1.1 kg (2.4 lbs), the lightweight construction of the 21000-28-05-20-018-04-02 minimizes mechanical stress on mounting ports while offering rugged structural integrity. Its high-strength aluminum housing is sealed with dual Viton® O-rings to achieve IP66 water-jet and dust protection. Certified for CSA Class I Division 1 hazardous areas, it withstands continuous vibration across a 5–2000 Hz frequency spectrum. Designed with a 1.8-inch sleeve depth and 3/4-14 NPT mounting connection, it delivers secure, leak-proof transducer installation across wide operating temperatures ranging from -50°C to +80°C.

Frequently Asked Questions (FAQs)

Q1: What hazardous area certification does this probe housing carry?
A1: It is CSA certified for Class I Division 1 hazardous locations with a Type 4 explosion-proof rating.

Q2: What probe length and thread size are supported by this configuration?
A2: It features a 1.8-inch penetration sleeve depth with 3/4-14 NPT mounting threads for 3300 XL 8mm probes.

Q3: How heavy is the complete housing assembly?
A3: The complete assembly weighs 1.1 kg (2.4 lbs), making it lightweight yet resistant to high mechanical stress.

Product Resources

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🏷️ Tags: Housing Assembly Proximity Probe

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