21000-28-05-20-037-04-02 | Proximity Probe

Proximity Probe Housing Assembly - 

🔍 Description

Bently Nevada 21000 Proximity Probe Housing Assembly delivers reliable vibration monitoring in explosive environments. Designed with aluminum body and 304 stainless steel sleeve, it includes a reverse-mount 8 mm probe, optional conduit fittings, and explosion-proof certification. Perfect for oil & gas, power generation, and heavy machinery.

📊 Technical Data

• Brand: Bently Nevada
• Model: 21000-28-05-20-037-04-02
• Suffix Codes:
  • Probe: 28 (8 mm, hazardous area approved)
  • Cable: 05 (0.5 m length)
  • Standoff: 20 (2 in adapter)
  • Penetration: 037 (3.7 in)
  • Fitting: 04 (3/4-14 NPT plug)
  • Mounting: 02 (3/4-14 NPT thread)
• Range: 8 mm probe
• Temperature: -50°C to +80°C
• Weight: 1.1 kg (without fittings)

🔧 Installation Guide

• Mount using 3/4-14 NPT threads.
• Connect conduit to threaded ports.
• Ensure O-rings and thread seals are properly placed.
• Use standoff adapter if required.

🔄 Compatibility

Works with API 670-compliant systems. Suitable for CSA-certified Class I/II/III hazardous areas. Compatible with Bently Nevada’s XL series probes.

📜 Certifications

• RoHS compliant (2011/65/EU)
• CSA Explosion-Proof: Class I Div 1/2, Class II Div 1/2, Class III

📦 Packaging & Warranty

• Includes: Housing assembly, dome cover, O-rings, probe sleeve, fittings.
• 12-month warranty – original factory packing.

🏭 Real-World Application

Used in offshore oil rigs to monitor turbine vibrations. Withstands harsh conditions while providing accurate data, ensuring compliance with API 670 standards.