Bently Nevada 21000-28-05-15-028-04-02 Proximity Probe Housing Assembly

SKU 21000-28-05-15-028-04-02

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Manufacturer: Bently Nevada
Product No.: 21000-28-05-15-028-04-02
Country of origin:United States
Product Type: Proximity Probe Housing Assemblies
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 1080g
Dimensions: 26.0 cm x 16.0 cm x 16.0 cm
Shipping port: Xiamen
Warranty: 12 months

Description

Optimizing sensor protection in severe industrial environments, the Bently Nevada 21000-28-05-15-028-04-02 provides a rugged, weather-resistant enclosure specifically designed for proximity probes. This aluminum housing assembly safeguards key machinery diagnostics components, enabling precise gap adjustment and structural isolation of proximity transducers in Turbomachinery Instrumentation (TSI) setups. By isolating the sensor from aggressive external elements, it guarantees steady, reliable signal transmission back to Bently Nevada 3500 monitoring systems.

Features

Corrosion-Resistant Housing: Fabricated from high-grade anodized aluminum to withstand continuous exposure to industrial lubricants, moisture, and chemical vapors.
Adjustable Sleeve Mechanism: Features a 2.8-inch sleeve configuration allowing precise calibration of probe-to-target physical gap clearances without dismantling the enclosure.
Environmental Rating: Meets IP66 / NEMA 4X requirements, providing dust-tight sealing and protection against water jets.
Explosion-Proof/Flameproof Capability: Designed to satisfy hazardous area safety protocols when paired with certified cable glands and seals.

Applications

Steam and gas turbine shaft vibration and axial position monitoring.
Large centrifugal and axial compressor protection schemes.
Hydroelectric generator thrust and radial vibration analysis.
Petrochemical pump casing and bearing health tracking.

Technical Specifications Table

Parameter / Attribute	Specification Value
Manufacturer	Bently Nevada (Baker Hughes)
Part Number	21000-28-05-15-028-04-02
Series Name	21000 Series (Aluminum Housing)
Housing Material	Anodized Aluminum
Sleeve Length Option (-028)	2.8 inches (71.1 mm)
Ingress Protection Rating	IP66 / NEMA 4X equivalent
Probe Compatibility	Standard Bently Nevada Proximity Probes (e.g., 3300 XL 8 mm)
Country of Origin	USA
Shipping Weight (Calculated)	1.90 kg (4.19 lbs)
Package Dimensions (Calculated)	26.0 cm x 16.0 cm x 16.0 cm

Alternative Models & Compatibility

The aluminum 21000 housing series serves as a metal alternative to the 21001 glass-reinforced thermoplastic housing model. When swapping components, ensure the sleeve length option matches your physical casing wall thickness and internal gap specifications. Using an mismatched sleeve length may prevent the proximity probe from reaching the target surface or risk mechanical collision with the shaft during thermal expansion.

Application Pitfalls & Engineering Notes

Thermal Considerations: Aluminum exhibits distinct expansion properties compared to heavy-duty turbine steel casings. Account for structural displacement shifts during transition states from ambient to normal operating temperature.
Condensation Control: In high-humidity installations, use proper conduit seals to prevent internal condensation build-up inside the housing junction area, which can degrade high-frequency coaxial signals.

Installation Guidelines

CRITICAL WARNING

Before performing any installation, maintenance, or sensor adjustment, verify that the machinery is completely shut down and that all power supply paths to the associated proximity driver/transmitter are isolated. Failure to de-energize circuits in explosive or hazardous atmospheres can result in arc-flash ignition or major equipment damage.

1

Mount the housing assembly directly onto the machine casing or bracket, ensuring the matching sleeve aligns correctly with the target path.

2

Carefully feed the coaxial transducer cable through the internal sleeve routing, taking care to respect the minimum 25.4 mm (1.0 inch) bend radius constraint.

3

Apply thread compound to the external casing interfaces, torque securely to OEM specifications, and close the cover seal to establish water-tight IP66 integrity.

FAQ

What is the primary difference between the 21000 and 21001 housing models?

The 21000 series features an anodized aluminum construction suited for heavy mechanical and high-temperature environments, whereas the 21001 series uses a glass-reinforced thermoplastic composite design designed for distinct corrosive resistance attributes.

What is the sleeve length on this specific 21000 variant?

This model contains the -028 suffix option, which corresponds to a mechanical sleeve length of 2.8 inches (approximately 71.1 mm) for physical sensor positioning.

How do I maintain environmental sealing inside the housing?

To preserve the NEMA 4X / IP66 ingress protection rating, verify that the cover seal O-ring is fully seated, clean, and lubricated, and apply appropriate thread sealant on the conduit ports.

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Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

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Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our technical warranty.

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Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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