製品紹介
The Bently Nevada 21000-28-05-30-016-03 Proximity Probe Housing Assembly is a precision-engineered protective housing designed for reliable installation / reverse-mount proximity probes in rotating machinery. It allows probe access from outside the machine case, enabling safe adjustment and replacement without disassembly. The assembly is built with an aluminum body and stainless-steel sleeve, providing robust corrosion resistance and compliance with industry standards such as API 670.
Technical Specifications
| Parameter | Value |
|---|---|
| Product モデル | 21000-28-05-30-016-03 |
| Housing Material | Aluminum body with 304 Stainless Steel sleeve |
| Housing Body Diameter | 83.3 mm |
| Housing Length (B Dimension) | 161.6 mm |
| Stand/f (C Dimension) | 76 mm (3.0 in) |
| Penetration (D Dimension) | 41 mm (1.6 in) |
| 重量 | 1.1 kg (2.4 lb) |
| Enclosure Rating | CSA Type 4 |
| Temperature Range | −51…+177 °C (probe dependent) |
| Explosion-Pro/ Capability | 対応可能 with CA variants and approved fittings |
| Typical Probe Type | 3300 XL 8 mm (reverse mount, connectorized) |
Applications
- Used in radial vibration and Keyphasor® measurements
- Suitable for externally mounted probe installations on turbines, compressors, and motors
- Applied in hazardous and non-hazardous areas depending on configuration
- Ensures safe probe maintenance without opening the machine case
- サポートs precision monitoring in API 670 compliant protection systems
Advantages
- Ease / Maintenance: Allows probe adjustment and replacement externally
- Safety: Eliminates the need to open machine cases during maintenance
- Durability: Corrosion-resistant aluminum and stainless-steel construction
- Flexibility: Configurable stand/f and penetration dimensions
- Compliance: Meets API 670 and CSA Type 4 standards
- Explosion-Pro/ Options: 対応可能 in CA variants with certified fittings
FAQ
Q1. What probe type is supported by this model?
A1. It is configured with a 3300 XL 8 mm proximity probe with connector, reverse-mount design.
Q2. Can the stand/f and penetration dimensions be modified on-site?
A2. No, both C (stand/f) and D (penetration) are factory-configured and require reordering for changes.
Q3. What is the standard mounting thread option?
A3. Commonly 3/4-14 NPT (FF=02). Variations depend on order configuration.
Q4. Is the housing explosion-pro/ by default?
A4. No, explosion-pro/ rating is only applicable to CA21000/CA24701 variants with approved fittings.
Q5. What is the typical weight / this assembly?
A5. The housing weighs approximately 1.1 kg (2.4 lb) without fittings.
Q6. What temperature range does it support?
A6. It supports −51…+177 °C depending on the proximity probe system.
Q7. Can this housing be used for axial position measurements?
A7. Yes, it can be used with appropriate probe configurations and rigid machine casing mounting.
Q8. What accessories are included with EE=03?
A8. One 3/4‑14 NPT plug, one 3/4‑14 → 1/2‑14 NPT reducer, and a cable seal grip with grommets.
Q9. How should long sleeve lengths be managed?
A9. Sleeve lengths exceeding 304 mm (12 in) require additional support, such as a sleeve support kit.
Q10. What industry standard does this assembly comply with?
A10. It is designed to comply with API 670 requirements for externally mounted probe housings.
Related モデルs (Same Series or Alternatives)
| モデル | Material | Key Features | 重量 |
| 21000 | Aluminum | Standard housing assembly | 1.1 kg |
| CA21000 | Aluminum | Explosion-pro/ version with certified fittings | 1.1 kg |
| 24701 | Stainless Steel | High corrosion resistance | 1.4 kg |
| CA24701 | Stainless Steel | Explosion-pro/, stainless steel | 1.4 kg |
| 31000 | PPS Thermoplastic | Lightweight, non-explosion-pro/ | 0.9 kg |
| 32000 | PPS Thermoplastic | Flexible mounting, non-explosion-pro/ | 0.9 kg |
Popular Bently Nevada モデルs
| モデル | 説明 | Application | 重量 |
| 330104-00-06-10-11-00 | 3300 XL 8 mm Proximity Probe | Vibration monitoring | 0.2 kg |
| 330104-00-06-50-01-00 | 3300 XL 8 mm Proximity Probe | High-temperature use | 0.2 kg |
| 330180-91-CN | 3300 XL Proximitor Sensor | Proximity measurement | 0.25 kg |
| 3500/42M | Proximitor/Seismic Monitor Module | Machinery protection systems | 0.8 kg |
| 3500/22M | Transient Data Interface | 状態 monitoring | 0.9 kg |
| 3500/32M | Relay Module | Machinery protection relay output | 0.7 kg |
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