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        Bently Nevada 27465-01
        Bently Nevada 27465-01
        Bently Nevada 27465-01
        Bently Nevada 27465-01
        Bently Nevada 27465-01
        Bently Nevada 27465-01
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        • Lifecycle status

           Active / Available from OEM
          Apter Power provides brand-new, factory-current Bently Nevada 27465-01 enclosures, securing long-term sensor reliability and precise valve position tracking in extreme field applications.

        27465-01

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        1001 reviews ｜ Need a Specific Revision?
        The Bently Nevada 27465-01 is a Valve Position Transducer engineered to safeguard critical displacement instrumentation in demanding industrial environments.
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        Ships by Thursday, October 29
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 27465-01

        • Manufacturer:
          Bently Nevada
        • Part Number:
          27465-01
        • Product Family:
          PROXPAC XL Proximity Transducer Assembly
        • Product Type:
          Valve Position Transducer
        • Stock:
          1
        • Electrical Linearity:
          0.25% of full-scale
        • Null Voltage:
          0.5% of full-scale, maximum
        • Operating Temperature:
          -54 °C to +149 °C (-65 °F to +300 °F)
        • Weight:
          1.1 kg
        • Estimated shipping dimensions:
          48.1x31.8x5cm
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications Use Cases Configuration & Programming Performance & Efficiency

        Features:

        • Environmental Protection Interface for LVDT Sensors in Harsh Industrial Conditions
        • Integrates Weatherproof Housing Design with Precision Valve Position Measurement
        • Functions Seamlessly with 3500/45 Position Monitor and 3300/70 Dual Valve Position Indicator
        The Bently Nevada 27465-01 LVDT Weatherproof Housing serves as the protective enclosure for the 18639 Valve Position Transducer in steam turbine supervisory instrumentation systems, shielding the internal AC Linear Variable Differential Transformer (LVDT) from moisture, dust, and extreme temperature conditions that could compromise measurement accuracy. It continuously houses the nickel-iron core within a stainless steel casing containing primary and secondary coils, ensuring reliable electrical output based on core position to support precise governor valve opening measurement. Seamless environmental sealing is standard with the 27465-01, however proper installation of the weatherproof housing will allow continuous operation in outdoor or unprotected locations where standard unprotected sensors would fail.

        The 27465-01 provides essential protective functions common to the entire valve position measurement path, and is a critical component of the turbine supervisory instrumentation system, directly affecting the proper, normal operation of overall valve monitoring and steam flow regulation. One 27465-01 weatherproof housing is required per LVDT transducer depending on the environmental conditions of the installation. The 27465-01 is mounted directly to the 18639 Valve Position Transducer and is always positioned to allow free movement of the internal core while maintaining complete environmental sealing at all cable entry points and connector interfaces.

        For governor valve monitoring applications, the 27465-01 protected system requires connection to either the 3500/45 Position Monitor or the 3300/70 Dual Valve Position Indicator to measure valve position accurately. In addition to standard single transducer operation, the 27465-01 protected configuration also supports high temperature case expansion measurement. The 27465-01 protected system executes measurement using the internal LVDT circuitry specified in the transducer design.

        The 27465-01 Bently Nevada  Valve Position Transducer may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Bently Nevada 27465-01 Valve Position Transducer Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        Bently Nevada 27465-01 Valve Position Transducer Specs

        General

        • Manufacturer Bently Nevada
        • Model 27465-01
        • Condition New Original ready stock
        • Product Family 78628-02,77138-01
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Steam Turbine Valve Position: Monitors governor and control valve opening distances to optimize steam flow efficiency.
        • Turbine Case Expansion: Measures the thermal growth profile of a turbine's outer shell during startup sequences.
        • Sliding Foot Obstruction Tracking: Verifies that turbine structural sliding feet move freely rather than binding under hot operational load.
        • Harsh Industrial Locations: Deploys directly onto exposed outdoor machinery decks, chemical processing facilities, or petrochemical fields.
        • Hardware Integration: The AC LVDT wires directly into a dedicated tracking system like the Bently Nevada 3500/45 Position Monitor.
        • Software Calibration: Users rely on Bently Nevada's configuration software to assign zero-stroke (null voltage) and full-scale physical span parameters.
        • Linear Scaling: The system scales the sensor's analog voltage output curve into exact engineering units (inches or millimeters).
        • Alarm Setpoints: Configures safety threshold alerts to warn control operators if machine casing growth exceeds predicted thermal rates.
        • High Linear Accuracy: Features a low linearity tolerance limit of 0.25% across its entire 10-inch stroke field.
        • Extreme Temperature Resilience: The internal electronics are rated to function flawlessly from -54 °C up to +149 °C (-65 °F to +300 °F).
        • NEMA 4 / IP Protection: The exterior stainless steel casting prevents moisture, salt mist, grit, and dust from reaching internal transformer coils.
        • Prevents Mechanical Rubs: Real-time displacement data helps prevent cataclysmic machine jams or internal rotor-to-stator contact during thermal cycles.
        Description
        Bently Nevada 27465-01 Valve Position Transducer is specifically designed to protect the AC Linear Variable Differential Transformer (LVDT) in harsh industrial environments, solving the critical problem of environmental damage to precision position sensors used in steam turbine governor valve monitoring. The 27465-01 model ensures reliable operation of the 18639 Valve Position Transducer by shielding the internal nickel-iron core and stainless steel casing from moisture, dust, and extreme temperature conditions that could compromise measurement accuracy. By housing the primary and secondary coils within the 27465-01 weatherproof enclosure, the system maintains consistent electrical output based on core position, enabling precise valve opening measurement even in outdoor or unprotected installation locations where standard sensors would fail.
        The 27465-01 Valve Position Transducer is widely applied in power generation facilities, particularly in steam turbine supervisory instrumentation systems (TSI) where governor valve position monitoring is essential for optimizing machine operating efficiency. The 27465-01 serves critical roles in fossil fuel power plants, nuclear facilities, and combined cycle power stations where continuous steam flow regulation determines overall plant performance. Additionally, the 27465-01 finds application in petrochemical processing plants, pulp and paper mills, and steel manufacturing facilities that rely on steam-driven equipment. The 27465-01 protected transducer systems are also deployed in marine propulsion systems and district heating networks where turbine valve control directly impacts energy output and operational safety.

        For installation and integration, the 27465-01 Valve Position Transducer must be properly mounted to ensure the protected 18639 Valve Position Transducer can accurately measure governor valve opening. The 27465-01 protected system requires connection to either the 3500/45 Position Monitor or the 3300/70 Dual Valve Position Indicator for valve position measurement functionality. During installation of the 27465-01 assembly, technicians may need to attach an aluminum core connecting rod to link the LVDT with a flange on the governor valve, with six different rod lengths available to accommodate various mechanical configurations. The 27465-01 housing should be positioned to allow free movement of the internal core while maintaining complete environmental sealing at the cable entry points and connector interfaces.
        Alternative Names
        27465 01 27465-0I 27465-O1 78628-02 77138-01 78628-01 36393-02 36393-01
        Technical notes
        The Bently Nevada 27465-01 Valve Position Transducer encapsulates the 18639 AC Linear Variable Differential Transformer (LVDT) sensor system, ensuring complete protection for its internal nickel-iron core and stainless steel housing. By isolating the sensor hardware from moisture, airborne particles, and extreme ambient temperatures, the Bently Nevada 27465-01 guarantees a stable electrical output from both the primary and secondary coils of the sensor.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What problems does the Bently Nevada 27465-01 Valve Position Transducer solve?
        The Valve Position Transducer is designed to protect LVDT position sensors from heat, humidity, steam, and airborne contaminants, reducing sensor degradation, signal drift, and mechanical sticking in demanding turbine environments.
        Why is weatherproof protection important for turbine instrumentation?
        A weatherproof enclosure helps prevent moisture and contaminants from affecting sensor performance, ensuring stable valve position measurements and improving overall system reliability.
        Which industries commonly use the Bently Nevada 27465-01?
        The Valve Position Transducer is primarily used in power generation facilities and heavy industrial plants that operate steam turbines and require reliable turbine supervisory instrumentation.
        How does the 27465-01 Valve Position Transducer support turbine case expansion monitoring?
        When used with 1-inch, 2-inch, or 4-inch LVDT sensors, it helps measure turbine casing expansion, allowing operators to monitor thermal growth and maintain mechanical integrity.

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