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Technical specifications for 21000-00-00-15-226-03-02
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:21000-00-00-15-226-03-02
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Estimated shipping dimensions:60x8.5x8.5cm
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Weight:1.44 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Probe with Connector:Probe not required
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Probe Cable Length:Probe cable not required
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Standoff Adapter:1.5 in (38 mm)
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Probe Penetration:22.6 in (574 mm)
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Fittings:One 3/4-14 NPT plug One 3/4-14 to 1/2-14 NPT reducer One cable seal grip with grommets for the following cable sizes: • 1/8 to 3/16 inches • 1/4 to 5/16 inches • 5/16 to 3/8 inches
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Mounting Thread:3/4-14 NPT
Information
Overview
Manuals
Common Applications
Product Precautions
The 21000-00-00-15-226-03-02 is an industrial-grade, externally mounted proximity probe housing assembly supplied in an empty enclosure configuration with no probe or cable pre-installed, allowing the separate installation of a compatible reverse-mount sensor based on field requirements.
- Threaded ports for conduit connections to simplify routing
- Optional conduit fittings for enhanced chemical and fluid protection
- A dome cover that screws directly into the body of the housing for environmental shielding
The physical configuration of this specific part number delivers an extra-long 22.6-inch (574 mm) probe penetration sleeve depth, a 1.5-inch (38 mm) standoff adapter, and a 3/4-14 NPT tapered pipe mounting thread for casing installation, complete with dedicated sealed conduit and cable gland fittings. Because the sleeve length exceeds 12 inches (304 mm), an additional sleeve support is strictly required to reduce the vibration associated with unsupported long sleeve lengths.
For installations where the long sleeve must go through an inner bearing housing, a compatible probe support and oil seal (part number 37948-01) can be deployed. The paramount technical advantage of this assembly is its online serviceability, enabling safe insertion, micro-gap calibration adjustment (typically to -10 VDC), or complete replacement of the internal sensor from the outside while the machinery remains fully operational, serving as a critical asset protection enclosure component for continuous-process heavy industries.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 21000-00-00-15-226-03-02 Proximity Probe Housing Assembly 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.
Mega-Scale Thermal Power
Installed on the ultra-thick low-pressure casings of 600MW-1000MW steam turbines, using the 22.6-inch extra-long sleeve to bridge the double-walled vacuum exhaust hood, with an internal support to precisely monitor shaft vibration.
Coal Gasification & Chemical Fertilizer Industry
Used on high-power centrifugal CO2 compressors in ammonia/urea plants; due to massive thermal insulation and casing thickness, this assembly penetrates the shell while providing a CSA Type 4 superior environmental seal.
Air Separation & Industrial Gases
Used on main air compressors (MAC) and boosters in large air separation units, where the long sleeve bridges over wide interstage cooling ducts and insulated casings to reach the main journal bearings for measurement.
Nuclear Power
Used on massive main feedwater pump sets in nuclear conventional islands, utilizing the long sleeve and standoff adapter outside double-walled safety casings for probe replacement and gapping without machine teardown.
Iron & Steel Blast Furnace Blowers
Installed on ultra-large heavy-duty axial blast furnace blowers, utilizing the 22.6-inch sleeve to penetrate deep into bearing housings inside high-pressure hot air/dust pathways, with plugs ensuring electrical tightness.
Geothermal Power Generator Sets
Used on double-walled casings of low-pressure geothermal steam turbines, where the extra-long stainless sleeve extends deep into steam paths for rotor runout monitoring, while the aluminum housing (21000) resists chemical corrosion from external H2S gas.
Since this configuration is supplied empty, a compatible reverse-mount proximity probe must be separately acquired and installed. Given its extra-long 22.6-inch (574 mm) penetration depth, compliance with API 670 standards strictly mandates the installation of an additional internal sleeve support (such as the OEM 37948-01 probe support and oil seal) inside the machine casing to suppress cantilevered mechanical vibrations.
During external installation and online maintenance, mechanical tightening torque for the 1.5-inch standoff adapter and the 3/4-14 NPT threads must be precisely controlled to prevent stripping, when inserting or calibrating the internal probe gap (typically to -10 VDC) while the machinery is operational, axial movements must be executed extremely slowly to avoid catastrophic physical contact between the extra-long sleeve and the high-speed rotating shaft.
Furthermore, all external conduit and cable gland fittings must be securely tightened to ensure its CSA Type 4 (IP66) weatherproof, dustproof, and oil-leakage protection ratings.
During external installation and online maintenance, mechanical tightening torque for the 1.5-inch standoff adapter and the 3/4-14 NPT threads must be precisely controlled to prevent stripping, when inserting or calibrating the internal probe gap (typically to -10 VDC) while the machinery is operational, axial movements must be executed extremely slowly to avoid catastrophic physical contact between the extra-long sleeve and the high-speed rotating shaft.
Furthermore, all external conduit and cable gland fittings must be securely tightened to ensure its CSA Type 4 (IP66) weatherproof, dustproof, and oil-leakage protection ratings.
Alternative Names
21000 00 00 15 226 03 02
21000-31-00-15-226-03-02
21000-32-00-15-226-03-02
21000-33-00-15-226-03-02
21000-34-00-15-226-03-02
21000-00-00-15-226-03-O2
21000-00-00-15-226-O3-02
21000-00-0O-15-226-03-02
21000-00-O0-15-226-03-02
21000-0O-00-15-226-03-02
21000-O0-00-15-226-03-02
210O0-00-00-15-226-03-02
2100O-00-00-15-226-03-02
21O00-00-00-15-226-03-02
21OOO-OO-OO-15-226-O3-O2
2I000-00-00-I5-226-03-02
2IOOO-OO-OO-I5-226-O3-O2
Technical notes
Bently Nevada 21000-00-00-15-226-03-02 delivers an extra-long physical probe penetration depth of 22.6 inches (569 mm), which strictly mandates additional internal sleeve support to suppress cantilevered mechanical vibrations. The paramount advantage of this assembly is its online serviceability, enabling safe external insertion, micro-gap calibration, or complete replacement of a compatible reverse-mount sensor (such as a 3300 XL 8 mm reverse-mount probe) while the heavy machinery remains fully operational without oil leakage.
FAQ View All FAQ
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What kind of device is Bently Nevada 21000-00-00-15-226-03-02?It is an industrial-grade, externally mounted proximity probe housing assembly (aluminum body with a 304 stainless steel sleeve), supplied as an empty enclosure with no probe or cable pre-installed inside this specific configuration.
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What is the primary purpose of 21000-00-00-15-226-03-02?It is installed on the exterior casing of large machinery to shield precision vibration probes subsequently installed by the user from physical impacts, dust, or fluid erosion in harsh industrial environments.
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Which probes can be installed inside the 21000-00-00-15-226-03-02 assembly?It is compatible with reverse-mount eddy current proximity probes belonging to the Bently Nevada 3300 XL 8 mm or non-XL 3300 8 mm sensor systems.
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Do you offer global delivery services?Yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
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How many parts do you have in stock?We have an extensive stock base consisting of ten thousands of new and discontinued automation parts including those from leading manufacturers such as:Control Systems (DCS, PLC, CNC) ,Panel Controllers,HMI and Display Panels,Drives,Encoders and Resolvers,Power Supplies.
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