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- Bently Nevada
- 21000, 24701, and 164818 ProbeHousing Assemblies
- 21000-28-05-35-020-04-02
In Stock
Ships by Wednesday, August 5
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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.
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.
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.
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.
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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.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 21000-28-05-35-020-04-02
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Product Model21000-28-05-35-020-04-02
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Product ParametersProximity Probe HousingAssemblies
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size8.5x8.5x30.5cm
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ManufacturerBently Nevada
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Weight1.08 kg
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Probe with Connector3300 XL 8 mm probe, selectablehazardous area approvals
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Probe Cable Length05 0.5 m (20 in)
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Standoff Adapter LengthMaximum length 3.5 in
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Fittings04 One 3/4-14 NPT plug only
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Mounting Thread02 3/4-14 NPT
Description
The Bently Nevada 21000-28-05-35-020-04-02 incorporates Option 28, which specifies a 3300 XL 8 mm probe with selectable hazardous-area approvals. This probe is for use with the 3300 XL Proximitor Sensor to provide accurate non-contact measurements of shaft vibration, shaft position, and rotor displacement in industrial machinery.
The Bently Nevada 21000-28-05-35-020-04-02 includes Option 05, providing a 0.5 m (20 in) integral probe cable. Option 35 specifies a 3.5-inch (89 mm) standoff adapter, while Option 020 provides a 2.0-inch (51 mm) probe penetration. This configuration is suitable for installations requiring additional spacing between the machine casing and the probe housing while maintaining proper probe positioning.
The Bently Nevada 21000-28-05-35-020-04-02 is supplied with Option 04, consisting of one 3/4-14 NPT plug only. Option 02 specifies the 3/4-14 NPT mounting thread, which is required for housings using a standoff adapter. The housing body is manufactured from aluminum with a 304 stainless steel probe sleeve, providing corrosion resistance and long service life in industrial environments.
The Bently Nevada 21000-28-05-35-020-04-02 includes Option 05, providing a 0.5 m (20 in) integral probe cable. Option 35 specifies a 3.5-inch (89 mm) standoff adapter, while Option 020 provides a 2.0-inch (51 mm) probe penetration. This configuration is suitable for installations requiring additional spacing between the machine casing and the probe housing while maintaining proper probe positioning.
The Bently Nevada 21000-28-05-35-020-04-02 is supplied with Option 04, consisting of one 3/4-14 NPT plug only. Option 02 specifies the 3/4-14 NPT mounting thread, which is required for housings using a standoff adapter. The housing body is manufactured from aluminum with a 304 stainless steel probe sleeve, providing corrosion resistance and long service life in industrial environments.
Information
Overview
Manuals
Application Notes
Product Applications
Insertion & Mechanical Mounting
Features:
- Aluminum Probe Housing Assembly (21000)
- Lightweight Aluminum Body with 304 Stainless Steel Sleeve
- CSA Explosion-Proof Certification for Hazardous Areas
- Flexible configuration with optional fittings
The housing is constructed with a lightweight aluminum body and a 304 stainless steel sleeve, without fittings. The 21000-28-05-35-020-04-02 is equipped with a pre-installed 3300 XL 8mm probe featuring selectable hazardous area approvals, ensuring reliable signal transmission and simplifying installation
The 21000-28-05-35-020-04-02 Bently Nevada Proximity Probe HousingAssemblies may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-28-05-35-020-04-02 Proximity Probe HousingAssemblies 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.
In terms of safety and regulatory compliance, the 21000-28-05-35-020-04-02 carries CSA certification for explosion-proof applications in North American hazardous areas, including Class I Divisions 1 and 2 Groups C and D, Class II Divisions 1 and 2 Groups E, F, and G, and Class III locations, with Enclosure Type 4 rating. The circuit is non-incendive when connected per drawing 140979, and the housing is rated T5 at ambient temperatures from –50°C to +40°C and T4 from –50°C to +80°C. The 21000-28-05-35-020-04-02 is also fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings and meets RoHS Directive 2011/65/EU for environmental compliance
- Oil Refineries: Monitors catalytic cracking compressors and high-pressure pumps
- Petrochemical Plants: Tracks rotor vibration and axial position in ethylene/ammonia production trains
- Power Plants: Deployed on steam, gas, and hydro turbines to prevent shaft failures
- Offshore Platforms: Protects injection/export compressors against ocean conditions and hazardous vapors
- LNG Facilities: Safeguards cryogenic pumps and liquefaction compression trains
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Thread Sealing: Apply high-quality thread sealant to the 3/4-14 NPT body mounting threads before insertion into the machine case.
Torque Body: Screw the housing body into the machine port, ensuring a rigid, vibration-resistant lock.
Sleeve Penetration: Verify the sleeve extends into the housing casing to safely isolate the probe tip from high-pressure process areas.
Gap Adjustment: Loosen the internal probe sleeve locknut to slide the probe forward or backward (±0.5 in adjustment range) until the correct mechanical gap is set against the target shaft.
Alternative Names
21000-28-05-35-020-04-0Z
21000-28-05-35-020-04-O2
21000-28-05-35-020-O4-02
21000-28-05-35-02O-04-02
21000-28-05-35-0Z0-04-02
21000-28-05-35-O20-04-02
21000-28-O5-35-020-04-02
21000-2B-05-35-020-04-02
21000-Z8-05-35-020-04-02
2I000-28-05-35-020-04-02
21000-28-05-35-020-04-01
21000-28-05-35-020-04-04
21000 28 05 35 020 04 02
21000 28 05 35 020 04 O2
21000 28 05 35 020 O4 02
21000 28 05 35 02O 04 02
21000 28 05 35 O20 04 02
21000 28 O5 35 020 04 02
21000 2B 05 35 020 04 02
21000 Z8 05 35 020 04 02
2I000 28 05 35 020 04 02
Technical notes
The Bently Nevada 21000-28-05-35-020-04-02 includes a dome cover, threaded conduit ports, probe sleeve, O-rings, thread seal, reverse-mounted proximity probe, and optional conduit fittings. The external housing design allows probe gap adjustment and probe replacement without dismantling the machine, reducing maintenance time and improving equipment availability.
FAQs
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Is the housing rated for hazardous locations?
+Yes, it carries Canadian Standards Association (CSA) explosion-proof certification for hazardous areas and is rated as a CSA Type 4 enclosure. -
Does it comply with industry standards?
+Yes, the assembly fully complies with the American Petroleum Institute (API) 670 standard for externally mounted proximity probe housings. -
What material is the housing made of?
+An aluminum main body equipped with a durable 304 stainless steel protective sleeve. -
Can it be installed outdoors?
+Yes, it carries a CSA Type 4 / NEMA 4 rating, keeping internal equipment completely protected from dust, rain, and splashing water.
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