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129716-173-037-15-05

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The 129716-173-037-15-05 is a Bently Nevada 3300 XL 25 mm proximity probe with a 12.7 mm linear range (500 mils), designed for high-temperature differential expansion monitoring up to 200°C (392°F).
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Technical specifications for 129716-173-037-15-05

  • Manufacturer:
    Bently Nevada
  • Part Number:
    129716-173-037-15-05
  • Product Family:
    3300 XL 25mm Proximity Transducer System
  • Product Type:
    Proximity Probe
  • Probe Case Thread:
    M30 x 2
  • Unthreaded Length:
    173 mm
  • Total Length:
    1.0 metre (3.3 feet)
  • Armor:
    Stainless Steel (SST) Armor
  • Sensitivity:
    0.787 V/mm (20 mV/mil)
  • Linear Range:
    12.7 mm (500 mils)
  • Continuous Operating Temp:
    Up to 200°C (392°F)
  • Intermittent Temp (Max):
    250°C (482°F)
  • Agency Approval:
    Multiple Approvals (CSA, ATEX, IECEx)
  • Weight:
    0.5 kg
  • Estimated shipping dimensions:
    1x17x25cm
  • Tariff Code:
    8479899990
  • 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 Application Communication Safety and Compliance

Features:

  • With a 12.7 mm (500 mil) range and 0.787 V/mm (20 mV/mil) output, this probe is specifically designed for measuring rotor-to-stator thermal growth differences in steam turbines
  • Capable of continuous operation at 200°C (392°F) and intermittent spikes to 250°C (482°F). Features front/rear seals and FluidLoc® cable to prevent moisture ingress
  • Includes a removable collar on the ClickLoc™ connector for routing cables through tight clearances. Supplied with connector protectors and an installation tool to prevent contamination
The 129716-173-037-15-05 is engineered specifically for differential expansion (DE) measurement on steam turbines. Unlike standard 8 mm proximity probes that have a linear range of only 2 mm (80 mils), this 25 mm probe provides a linear range of 12.7 mm (500 mils) with a sensitivity of 0.787 V/mm (20 mV/mil). During turbine startup, the rotor heats up and expands faster than the heavier stator (casing).

The 129716-173-037-15-05 is built to survive the harsh environment inside a steam turbine casing. It operates continuously at temperatures up to 200°C (392°F) and can withstand intermittent excursions up to 250°C (482°F). The probe also features both front and rear seals to prevent steam or condensation from entering the probe tip.

The 129716-173-037-15-05 includes several features that simplify installation in tight turbine casings. The removable collar on the ClickLoc™ connector allows the connector to be temporarily disassembled, permitting the cable to be routed through small openings before reassembly. The probe is supplied with connector protectors and a disposable installation tool to keep the connectors clean during routing.

The 129716-173-037-15-05 Bently Nevada Proximity Probe may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL)by the manufacturer (OEM).

Bently Nevada 129716-173-037-15-05 Proximity Probe Manuals, Datasheets,Drivers,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 129716-173-037-15-05 Proximity Probe Specs

General

  • Manufacturer GE /Bently Nevada
  • Model 129716-173-037-15-05
  • Condition New Original ready stock
  • Product Family 330851-02-000-060-10-01-05,330103-00-12-10-02-CN
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.
  • Reciprocating Compressors: This is the core application area, used to monitor piston rod drop or rod vibration. The probe is directly installed in the cylinder or stuffing box area filled with high-pressure gas.
  • High-Pressure Centrifugal Compressors: Monitor shaft vibration or displacement inside high-pressure cylinders.
  • High-Pressure Pumps and Hydraulic Systems: Monitor the dynamic position of rotating components in hydraulic actuators or high-pressure water pumps.
  • Front-end physical connection: Utilizes a special ceramic-to-metal brazing technique or a reinforced sealing structure to ensure no gas or liquid leakage occurs inside the probe under high pressure.
  • Electrical signal transmission: Transmits a weak electromagnetic induction signal via a 1.5-meter (15) integrated cable.
  • System integration: Must be connected to the 3300 XL extension cable (typically 3.5 meters) and ultimately to the 3300 XL Proximitor Sensor to form a complete 5-meter monitoring system.
  • Hazardous Area Certification (Ex): Certified by CSA, ATEX, and IECEx. This means it can operate safely in flammable and explosive gas or dust environments (such as Zone 0, Zone 1).
  • Pressure Vessel Standards: Its mechanical structure is verified to meet the safety factor requirements for high-pressure vessel installation, preventing the risk of "probe ejection" under extreme pressure.
  • API 670 Compliance: Its electrical performance (linearity, frequency response, stability) fully complies with the American Petroleum Institute's API 670 industrial standard for mechanical protection systems.
Description
The 129716-173-037-15-05 is part of the 3300 XL 25 mm Proximity Transducer System, specifically engineered for measuring differential expansion (DE) on medium to large steam turbine generators. This system monitors the relative growth between the turbine rotor and the stator casing to prevent blade contact.

When using the 129716-173-037-15-05, engineers benefit from a robust design featuring M30 x 2 threading for secure mounting. The probe has a total length of 1.0 meter and includes stainless steel armor for maximum protection in harsh turbine environments.

The 129716-173-037-15-05 can operate continuously at temperatures up to 200°C (392°F) and withstand intermittent spikes up to 250°C (482°F). It features front and rear seals along with a standard FluidLoc® cable to prevent moisture ingress.

For system integration, the 129716-173-037-15-05 works with a matching 3300 XL 25 mm Proximitor® Sensor. It offers a sensitivity of 0.787 V/mm (20 mV/mil) and a linear range of 12.7 mm (500 mils), ensuring accurate monitoring of large mechanical movements.
Alternative Names
330851-02-000-060-10-01-05 330103-00-12-10-02-CN 330104-12-20-10-02-00 330851-02-000-120-10-01-05
Technical notes
The 129716-173-037-15-05 uses a large 25 mm tip diameter, providing a 12.7 mm (500 mil) linear range. This is significantly larger than the 2 mm range of standard 8 mm probes, making it essential for differential expansion monitoring where large gap changes occur.
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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.
How does the 129716-173-037-15-05 prevent turbine damage?
The 129716-173-037-15-05 measures differential expansion with a 12.7 mm linear range (20 mV/mil). It tracks the rotor-to-stator gap during startups and load changes, providing critical data to avoid blade contact.
What temperature can the 129716-173-037-15-05 withstand?
This probe operates continuously at 200°C (392°F) and intermittently up to 250°C (482°F). It features front/rear seals and FluidLoc® cable to prevent moisture ingress, ensuring reliability in steam turbine environments.
How does the 129716-173-037-15-05 handle wet turbine conditions?
It includes standard FluidLoc® cable technology that blocks fluid wicking, plus dual seals at the probe tip. These features prevent steam or condensation from damaging internal components.
Can the 129716-173-037-15-05 be routed through small openings?
Yes. The ClickLoc™ connector has a removable collar that allows the cable to pass through tight clearances before reassembly. Connector protectors and an installation tool are included.

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