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SKU: 130944-01 128275-01

Bently Nevada 130944-01 128275-01 3500 System Blank Plate

The Bently Nevada 130944-01 (128275-01) is a high-quality blank plate designed for the 3500 Machinery Protection System. It preserves internal rack airflow, provides EMI/RFI shielding, and protects unused backplane slots from industrial contaminants to ensure peak system performance.

Functional Role and System Protection

The Bently Nevada 130944-01 (often associated with the 128275-01 assembly) serves as a critical structural component for the 3500 Machinery Protection System. This blank plate covers unused slots in the 3500 rack to maintain proper cooling and electrical shielding. Because the 3500 rack utilizes a forced-air convection system, an open slot disrupts the pressure balance and reduces the airflow to active monitor modules. Consequently, installing these plates ensures that high-value cards, such as the 3500/42M or 3500/15, remain within their optimal operating temperature ranges.

Key Technical Specifications

  • Brand: Bently Nevada (Baker Hughes)

  • Model Number: 130944-01

  • Alternative Part Number: 128275-01

  • Component Type: Half-height or Full-height Blank Plate Assembly

  • System Compatibility: Bently Nevada 3500 Series Rack

  • Material: Anodized aluminum / Steel alloy

  • Operating Temperature: -40°C to +85°C (-40°F to +185°F)

  • Mounting: Standard rack-mount screws (typically included)

  • Origin: USA

Structural Benefits and Industrial Importance

Maintenance engineers prioritize the use of 130944-01 blank plates to protect the internal backplane from environmental contaminants. In dusty or humid environments, such as refineries and power plants, open slots allow debris to settle on the sensitive electrical connectors. Moreover, the blank plate provides essential Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) shielding. This conductive barrier prevents external signals from distorting the high-frequency vibration data processed by adjacent monitoring modules. Furthermore, the plates give the 3500 rack a professional, finished appearance that adheres to international industrial cabinet standards.

Installation and Rack Maintenance

Technicians install the 130944-01 by aligning the plate with the empty slot rails and securing it with the top and bottom screws. Because the 3500 system supports modular expansion, operators can easily remove these plates when the facility requires additional monitoring channels. Furthermore, using original Bently Nevada blank plates ensures a perfect fit, which prevents the mechanical rattling often associated with third-party covers. Proper installation of these plates represents a simple yet vital step in ensuring the long-term reliability and accuracy of the Turbine Supervisory Instrumentation (TSI) system.