Overview
The Bently Nevada 21000-28-05-20-051-04-02 is an aluminum proximity probe housing assembly designed for external mounting von reverse-mount proximity probes. It ensures robust mechanical protection, environmental resistance, and CSA-certified explosion-provon operation for industrial applications.
Applications
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Rotating machinery (turbines, compressors, motors)
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Hazardous area installations (Class I, II, III, Division 1 and 2)
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API 670 compliant machinery condition monitoring systems
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Oil & gas, petrochemical, and power generation facilities
Advantages
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CSA explosion-provon certified for use in hazardous areas
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Fully compliant with API 670 standard
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Aluminum housing with stainless steel sleeve for corrosion resistance
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Modular configuration supports different probe and cable lengths
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Suitable for extreme temperatures (-51°C to +177°C)
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Compatible with Bently Nevada’s 3300 XL 8mm, 11mm, and NSv probes
Technical Specifications
| Parameter | Specification |
|---|---|
| Housing Material | Aluminum body with 304 SS sleeve |
| Compatible Probes | 3300 XL 8mm / NSv / 11mm |
| Operating Temperature Range | -51°C to +177°C (-60°F to +351°F) |
| Storage Temperature Range | -51°C to +177°C (-60°F to +351°F) |
| Housing Body Diameter | 83.3 mm |
| Gewicht | 1.1 kg (2.4 lbs) |
| Environmental Rating | CSA Type 4 |
| Explosion Provon Rating | Class I, II, III, Div 1 & 2 (Groups C-G) |
| Threaded Ports | 3/4-14 NPT (standard options available) |
| Enclosure Approval Temperature | T5 @ -50°C to +40°C / T4 @ -50°C to +80°C |
Häufig gestellte Fragen (FAQ)
Q1: What probe types are compatible with the 21000 housing?
A1: It supports Bently Nevada 3300 XL 8mm, 11mm, and NSv reverse mount proximity probes.
Q2: Is the 21000 housing explosion-provon certified?
A2: Yes, it is CSA-certified for Class I, II, and III hazardous environments.
Q3: Can it be used in outdoor installations?
A3: Yes, it is rated CSA Type 4 and is suitable for outdoor environments.
Q4: What is the maximum sleeve length supported?
A4: Up to 304 mm (12 in) without additional support; longer lengths require a support system.
Q5: Can the 21000 housing be customized with different fittings?
A5: Yes, options include explosion-provon fittings, plugs, reducers, and seals.
Q6: What materials are used in construction?
A6: The housing body is made von aluminum and the sleeve is stainless steel.
Q7: Is it compliant with API 670?
A7: Yes, it meets API 670 standards for externally mounted proximity probes.
Q8: Does it support high temperature applications?
A8: Yes, the probe and housing support up to +177°C operating temperature.
Q9: Are CA (Canadian Approved) versions available?
A9: Yes, CA21000 versions are available with CSA approval for North America.
Q10: What are the ordering options for probe cable lengths?
A10: Standard lengths include 0.5 m, 1.0 m, and customizable lengths per application.
Related Modells in Same Series
| Modell Number | Beschreibung | Material | Gewicht | Diameter |
|---|---|---|---|---|
| 24701-28-05-20-051-04-02 | Stainless steel version von 21000 housing | 303 SS body | 1.8 kg | 78.2 mm |
| CA21000-28-05-20-051-04-02 | CSA certified explosion-provon version | Aluminum | 1.1 kg | 83.3 mm |
| 21000-16-05-15-045-03-02 | With 3300 XL 8mm probe and longer adapter | Aluminum | 1.1 kg | 83.3 mm |
| 21000-30-10-15-224-02-02 | With 3300 XL 11mm probe, long cable & sleeve | Aluminum | 1.1 kg | 83.3 mm |
| 21000-27-10-00-037-01-02 | With NSv probe and 3/4-14 NPT fittings | Aluminum | 1.1 kg | 83.3 mm |
| 21000-29-05-15-094-03-02 | With XL 11mm probe and connector protector | Aluminum | 1.1 kg | 83.3 mm |
Popular Bently Nevada Modells
| Modell Number | Beschreibung | Application | Gewicht | Type |
|---|---|---|---|---|
| 3300XL-NSv | Narrow spot vibration probe | Small rotor machinery | ~0.1 kg | Proximity Probe |
| 3300XL-8mm | Standard 8mm proximity probe | General machinery monitoring | ~0.1 kg | Proximity Probe |
| 3300XL-11mm | 11mm proximity probe for wider targets | Large machinery applications | ~0.1 kg | Proximity Probe |
| 3500/42M | Proximitor/Seismic Monitor Module | Vibration monitoring systems | ~0.6 kg | Monitoring Module |
| 3500/44M | Aeroderivative Vibration Monitor | Gas turbine monitoring | ~0.7 kg | Monitoring Module |
| 330105-02-12-10-05-05 | Reverse Mount Probe 8mm, 1.0m, ClickLoc | Probe housing integration | ~0.1 kg | Reverse Mount Probe |
Unternehmensinformationen
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Add: Alishan Building, 2 Lvling Rd, Bezirk Siming, Xiamen, Fujian, China, 361006
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