Bently Nevada 21128-03-01 Velocity Transducer Housing IP65 Rated

Bently Nevada 21128-03-01 Velocity Transducer Housing

The 21128-03-01 housing protects velocity sensors from harsh industrial conditions.
It prevents damage from water, corrosion, and impact.
Built with 303 stainless steel, it meets NEMA 4X and IP65 standards.

Product Highlights

• Made from 303 stainless steel for superior corrosion resistance.
• Provides environmental sealing to meet IP65 requirements.
• Ideal for non-hazardous and standard industrial environments.
• Supports explosion-proof and BASEEFA-certified versions for special applications.
• Optional tall cap allows fitting of Velomitor CT or Seismoprobe sensors.

Model Breakdown: 21128 – AA – BB

• AA = 03: 1/2-in 14 NPT mounting thread and cap option.
• BB = 01: 1/2-in NPT plug cable exit fitting.

Technical Details

• Manufacturer: Bently Nevada
• Model: 21128-03-01
• Material: 303 Stainless Steel
• Weight: 1.6 kg (3.55 lb)
• Temperature Range: -29°C to +121°C (-20°F to +250°F)
• O-ring Material: Neoprene
• Outlet Port: 1/2-in NPT
• Internal Thread: 1/2-20 UNF (for 21128 & CA21128); 5/8-18 UNF-2B (for BA42608)
• Moisture Resistance: Water and corrosion-resistant, not submersible
• Cable Option: 89477-AA for Velomitor sensor connection

Performance & Durability

• Resists hose-directed water and chemical exposure.
• Maintains stable seal integrity under vibration and thermal expansion.
• Ensures long service life in demanding industrial plants.
• Maintains enclosure integrity under heavy-duty field use.

Installation Notes

• Use 1/2-in NPT fittings and ensure all threads are sealed properly.
• For explosion-proof zones, use CA21128 version with CSA-approved sensor.
• Mount securely on flat surfaces to reduce vibration transfer.
• Use a tall cap when installing larger sensors for correct clearance.

Packaging Contents

• 1 × Bently Nevada 21128-03-01 Housing
• 1 × Neoprene O-ring (pre-installed)
• 1 × Mounting kit and user instruction sheet
• 1 × Cable plug assembly

Shipping & Warranty

• Global delivery via FedEx, UPS, and DHL.
• All products ship in shock-resistant packaging.
• Includes a 12-month warranty covering manufacturing defects.

FAQ

• Q: What environments suit the 21128-03-01 housing?
  A: It works best in non-hazardous industrial and process areas exposed to dust and water spray.
• Q: How should the neoprene O-ring be maintained?
  A: Replace it if any cracks or hardening appear after extended high-temperature exposure.
• Q: Can I mount it in horizontal orientation?
  A: Yes, but ensure the outlet faces downward to prevent moisture collection.
• Q: What if the housing is used in marine environments?
  A: Apply additional anti-corrosion coating and rinse periodically with fresh water.
• Q: How to connect it to the monitor?
  A: Use cable 89477-AA to connect the Velomitor sensor securely to a compatible monitor.

Contact Information

• Email: sales@powergearx.com
• WhatsApp: +86 18030005825

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