Heavy-Duty Stainless Steel Housing for Reliable Shaft Monitoring
The Bently Nevada 24701-34-05-30-028-04-02 Proximity Probe Housing Assembly is a precision-engineered mounting solution designed for external installation of proximity probes in critical rotating machinery applications. Part of the 24701 stainless steel proximity probe housing series, this assembly provides secure probe positioning, mechanical protection, and convenient access for maintenance activities such as probe adjustment and replacement without requiring extensive machine disassembly.
Featuring a 3300 XL 8 mm proximity probe with connector protector and approval option, a 0.5-meter probe cable, a 3.0-inch standoff adapter, and a 2.8-inch probe penetration length, this configuration is designed for installations requiring enhanced mounting flexibility and improved probe alignment. The stainless steel housing structure offers excellent durability in industrial environments, supporting reliable vibration and shaft position monitoring for turbines, compressors, generators, and other high-value rotating assets.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 24701-34-05-30-028-04-02 |
| Product Type | Proximity Probe Housing Assembly |
| Housing Series | 24701 Stainless Steel Housing |
| Probe Configuration | 3300 XL 8 mm Probe with Connector Protector |
| Probe Cable Length | 0.5 m (20 in) |
| Standoff Adapter | 3.0 in |
| Probe Penetration Length | 2.8 in (71.1 mm) |
| Fittings Option | One 3/4-14 NPT Plug |
| Mounting Thread | 3/4-14 NPT |
| Housing Material | 303 Stainless Steel Body / 304 Stainless Steel Sleeve |
| Probe Mounting Style | Reverse Mount |
| Probe Diameter | 8 mm |
| Operating Temperature | Industrial rotating equipment environment |
| Housing Body Diameter | Approx. 78.2 mm |
| Dimensions | Approx. 380 × 78 × 78 mm |
| Weight | Approx. 1.8 kg |
Application Areas
The 24701-34-05-30-028-04-02 housing assembly is designed for machinery protection systems where stable probe mounting and accurate shaft measurement are essential.
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Steam turbine vibration monitoring
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Gas turbine protection systems
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Centrifugal compressor monitoring
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Generator shaft displacement measurement
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Large motor condition monitoring
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Industrial pump monitoring
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Petrochemical processing equipment
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Oil and gas rotating machinery
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Refinery production systems
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Power generation facilities
Technical FAQs
1. What is the purpose of the Bently Nevada 24701-34-05-30-028-04-02?
This assembly provides a protected external mounting arrangement for proximity probes used to measure shaft vibration, radial displacement, and axial position in rotating machinery.
2. Which probe is included with this housing assembly?
The assembly is configured with a 3300 XL 8 mm proximity probe with connector protector and approval option, providing reliable non-contact eddy current measurement capability.
3. What does the “34” option represent?
The “34” configuration identifies the probe option with a 3300 XL 8 mm probe featuring connector protection and additional approval capability.
4. What does the “05” code indicate?
The “05” option specifies a 0.5-meter (20-inch) probe cable length, providing flexibility between the probe location and monitoring electronics.
5. What is the function of the “30” option?
The “30” option indicates the assembly includes a 3.0-inch standoff adapter, which helps achieve proper probe positioning for specific machinery installation requirements.
6. What does the “028” penetration code mean?
The “028” option represents a 2.8-inch probe sleeve penetration length, defining the probe extension depth within the housing assembly.
7. What material is used for the housing?
The 24701 housing uses a 303 stainless steel body with a 304 stainless steel sleeve, providing strong mechanical durability and corrosion resistance.
8. Why use a proximity probe housing assembly?
A housing assembly allows external access to the proximity probe and extension cable, making gap adjustment and probe replacement easier without removing major machine components.
9. Which machines commonly use this product?
It is widely installed on turbines, compressors, generators, pumps, and other critical rotating machinery requiring continuous vibration and position monitoring.
10. Why choose the 24701 series?
The 24701 series provides a rugged all-metal stainless steel mounting solution designed for reliable proximity probe installation in demanding industrial environments. It supports long-term machinery protection and improved maintenance efficiency.
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