Technical Specifications Breakdown
Key parameters for the 21128-11-03 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Material | 303 Stainless Steel |
| Mounting Thread & Cap Option | Unthreaded base, 28.5 mm (1.125 in) diameter with tall cap |
| Cable Exit Fitting | 1/2-in NPT, explosion-proof and cable grip fittings |
| Temperature Rating | -29°C to +121°C (-20 °F to +250°F) |
| Moisture Resistance | Resistant to moisture and corrosion, but not submersible |
| O-ring Material | Neoprene |
| Weight | 1.6 kg (3.55 lb) without velocity sensor or fittings |
| Outlet Port Size | 1/2-in NPT |
| Internal Mounting Thread | 1/2-in 20 UNF |
Industry Applications
Its corrosion-resistant stainless steel construction and IP65 rating make it suitable for washdown areas in food processing or chemical plants. The tall cap option accommodates Velomitor CT sensors or 9200/74712 Seismoprobes with isolated bases, expanding its versatility.
Installation & Setup Guidance
When installing the 21128-11-03, ensure the housing is properly sealed to maintain its NEMA 4X/IP65 rating. Use cable part number 89477-AA to connect the Velomitor sensor to a monitor. The 1/2-in NPT cable exit fitting allows secure conduit attachment. Verify the internal mounting thread (1/2-in 20 UNF) matches your sensor before installation.
Maintenance & Reliability
Regularly inspect the neoprene O-ring for wear or damage to preserve moisture resistance. Clean the stainless steel exterior with mild detergents; avoid abrasive tools. The housing is not submersible, so avoid prolonged exposure to standing water. Periodic checks of the cable grip fittings ensure long-term reliability.
Robust Protection for Velocity Sensors
The Bently Nevada 21128-11-03 velocity transducer housing is engineered to shield velocity sensors from hose-directed water, corrosion, physical abuse, and other adverse environmental conditions. Constructed from 303 stainless steel, this housing meets NEMA 4X and IP65 requirements when properly installed, making it a reliable choice for non-hazardous industrial environments.
Compatibility & Integration
The 21128-11-03 is compatible with Bently Nevada velocity sensors, including Velomitor CT and 9200/74712 Seismoprobe models. It requires the 89477-AA cable for Velomitor sensor connection. The tall cap design accommodates sensors with isolated bases, simplifying integration into existing monitoring systems.
Selection Guide & Purchasing Advice
For non-hazardous environments requiring robust protection, the 21128-11-03 is the preferred choice. Contact AutoDCSTech to verify current lifecycle status and availability before ordering. We offer competitive pricing and fast shipping for this Bently Nevada housing.
Availability & Condition at AutoDCSTech
| Part Number | 21128-11-03 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
