Description

Bently Nevada 135473-01 | Keyphasor I/O Module with 316L Stainless Steel Case

The Bently Nevada 135473-01 is a specialized Keyphasor I/O Module designed for the 3500 Machinery Protection System. This module provides essential phase reference signals by processing inputs from proximity probes or magnetic pickups. Because it utilizes a 316L stainless steel case, the hardware offers maximum resistance to corrosive elements and chemical exposure. This makes it an ideal choice for offshore platforms and heavy industrial sites where environmental protection is a priority. The module integrates seamlessly with the 3500/25 Enhanced Keyphasor Module to deliver high-accuracy speed and phase data for rotating machinery.

Superior Durability and Signal Precision

This I/O module features internal barriers and internal terminations to streamline the wiring process while maintaining high signal integrity. The 135473-01 conditions raw transducer signals into digital pulses that the system uses for vibration analysis and orbit tracking. Furthermore, the 316L stainless steel housing acts as a physical shield against mechanical impact and electromagnetic interference. By employing advanced signal processing, the module ensures rapid response times even during fast machine transients. Consequently, plant operators gain a more reliable view of rotor dynamics, which directly supports proactive maintenance strategies.

Technical Specifications

• Manufacturer: Bently Nevada (Baker Hughes)
• Model Number: 135473-01
• Product Category: Keyphasor I/O Module
• Compatible System: 3500 Series Monitoring System
• Case Material: 316L Stainless Steel (Corrosion Resistant)
• I/O Type: Internal Barrier with Internal Terminations
• Signal Input: Supports Proximity Probes and Magnetic Pickups
• Operational Temperature: -30°C to +65°C (-22°F to +149°F)
• Net Weight: 0.96 kg (2.12 lbs)
• Dimensions: 2.5 cm x 18.5 cm x 14.0 cm
• Certification: CE, UL, and CSA compliant

Advanced Industrial Applications

Facilities in the power generation, oil and gas, and petrochemical sectors rely on the 135473-01 for mission-critical monitoring. The module provides the timing reference necessary for calculating synchronous vibration vectors. Because it supports redundant configurations, the system can maintain phase tracking even if a single sensor fails. This level of reliability is essential for high-speed turbines and large compressors where phase shifts indicate developing mechanical faults. Moreover, the stainless steel construction significantly reduces long-term maintenance costs by preventing enclosure degradation in saltwater or acidic environments.

Installation and Maintenance Benefits

The 135473-01 simplifies the installation phase through its internal termination design. This feature eliminates the need for separate external terminal blocks, which saves valuable cabinet space. Technicians can perform diagnostic checks directly through the 3500 system software, as the module supports full digital integration. Additionally, the rugged 316L steel build ensures that the module remains active during extreme temperature cycles. By choosing this specific Bently Nevada part, engineers ensure their machinery protection loops remain robust and compliant with international safety standards.