21000-28-05-00-070-01-02 Bently Nevada Probe Housing Assembly

Manufacturer: Bently Nevada
Product No.: 21000-28-05-00-070-01-02
Condition： In stock
Product Type: Proximity Probe Housing Assembly
Product Origin: USA
Payment: T/T, Western Union
Weight: 1100g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

Guaranteed Safe Checkout

21000-28-05-00-070-01-02 Bently Nevada Proximity Probe Housing Assembly

21000-28-05-00-070-01-02 is engineered for hazardous-area shaft vibration monitoring applications.

The assembly integrates a 3300 XL 8 mm reverse mount probe within an explosion-proof industrial housing structure.

Its aluminum enclosure and stainless steel sleeve combination improve durability while reducing installation weight.

The housing design supports externally mounted machinery protection systems compliant with API 670 requirements.

This configuration suits rotating assets operating in demanding refinery, petrochemical, and power generation environments.

Mechanical and Protection Architecture

Housing Construction
- Aluminum body structure
- 304 stainless steel probe sleeve
- CSA Type 4 enclosure protection
Explosion-Proof Configuration
- Certified for hazardous industrial areas
- Supports intrinsically safe applications
- Explosion-proof conduit fitting included
Probe Integration Platform
- 3300 XL 8 mm reverse mount probe
- 0.5 meter integrated cable assembly
- Stable vibration signal transmission
Maintenance-Oriented Design
- Threaded dome cover access
- Modular probe sleeve arrangement
- Simplified field inspection procedures

Configuration Breakdown

Ordering Segment	Technical Definition
21000	Proximity Probe Housing Assembly Series
28	3300 XL 8 mm probe with hazardous area approvals
05	0.5 meter probe cable length
00	No standoff adapter
070	7 inch probe penetration length
01	One 3/4-14 NPT explosion-proof fitting and plug
02	3/4-14 NPT mounting thread

Global PLC Spare HUB's Insight

Bently Nevada 21000 Series provides reliable machinery protection in classified industrial environments.

The aluminum housing structure reduces installation weight compared with stainless steel alternatives.

Engineers commonly deploy this configuration where hazardous-area certification and stable probe positioning remain critical.

Its explosion-proof conduit arrangement improves operational safety around high-risk combustion and hydrocarbon processes.

The integrated probe architecture simplifies vibration monitoring deployment on externally mounted bearing housings.

Industrial Application Coverage

Refinery compressor protection systems
Steam turbine vibration monitoring
Gas processing rotating equipment
Petrochemical process pumps
API 670 machinery protection installations
Hazardous-area motor monitoring systems
Power generation rotating assets
Oil and gas production facilities

Technical Characteristics

Manufacturer: Bently Nevada
Product Number: 21000-28-05-00-070-01-02
Series: 21000 Proximity Probe Housing Assemblies
Probe Type: 3300 XL 8 mm reverse mount probe
Probe Cable Length: 0.5 meter
Probe Penetration: 7 inches
Housing Material: Aluminum
Sleeve Material: 304 stainless steel
Mounting Thread: 3/4-14 NPT
Fitting Configuration: Explosion-proof fitting and plug
Enclosure Rating: CSA Type 4
Explosion Protection: CSA certified hazardous-area housing
Compliance: API 670 compatible
RoHS Compliance: Directive 2011/65/EU
Weight: 1.1 kg typical without fittings
Maximum Visible Dimension: 13.5 inches
Monitoring Function: Shaft vibration and displacement measurement
Signal Integrity: Optimized for industrial machinery diagnostics
Environmental Resistance: Industrial corrosion and contamination resistance

CSA Hazardous Area Certification Details

Class I Divisions 1 and 2 Groups C and D
Class II Divisions 1 and 2 Groups E, F, and G
Class III certified
T5 rating at -50°C to +40°C ambient
T4 rating at -50°C to +80°C ambient
Certified non-incendive circuit configuration
Approved for North American hazardous-area installations

Diagnostic and Monitoring Capability

Supports continuous shaft displacement analysis
Improves rotor imbalance detection
Assists bearing degradation monitoring
Enhances machinery trip prevention strategies
Supports predictive maintenance programs
Improves vibration trend consistency
Detects abnormal shaft movement conditions early

Installation and Engineering Guidance

Verify hazardous-area certification compatibility before installation
Inspect conduit sealing during commissioning procedures
Maintain proper probe alignment during mounting
Use compatible proximitor systems only
Protect cable routing from excessive mechanical stress
Confirm API 670 installation compliance where required
Inspect dome cover sealing during maintenance intervals

Model Selection Comparison and Technical Recommendation

21000-16-10-15-256-03-02
- Longer probe penetration configuration
- Suitable for deep-access machinery installations
- Extended standoff arrangement for complex mounting geometry
- Recommended for applications requiring increased installation clearance

Technical Selection Advice

Select shorter penetration assemblies for compact bearing housings
Use explosion-proof fittings in classified hazardous environments
Choose aluminum housings where reduced structural weight matters
Verify penetration depth before final model selection
Evaluate conduit routing requirements during retrofit projects

Packing and Logistics Information

Condition: New and original factory packing
Warranty: 12 Months
Courier Services: FedEx, UPS, DHL
Packaging Standard: Industrial export-grade packaging
Shipping Support: Fast global dispatch processing

Professional FAQ

Why are explosion-proof probe housings important in refinery environments?
- Explosion-proof designs reduce ignition risks around combustible gases and process vapors.
- They also improve compliance with hazardous-area installation standards.
What benefits does the aluminum housing provide compared with heavier designs?
- Aluminum structures reduce mounting load on machinery surfaces.
- This improves installation flexibility during retrofit projects.
How should engineers determine the correct probe penetration length?
- Evaluate shaft accessibility and bearing housing geometry carefully.
- Incorrect penetration depth may affect signal acquisition stability.
When should users select externally mounted probe housings?
- Externally mounted configurations suit applications requiring simplified maintenance access.
- They also improve inspection efficiency in hazardous industrial areas.
What factors should engineers verify before replacing existing probe housings?
- Check hazardous-area certification, thread compatibility, penetration depth, and probe type.
- Mismatch conditions may affect safety compliance and monitoring accuracy.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

Returns & Exchange Policy

We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.