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  • 21000-28-05-00-076-04-02-1
  • 21000-28-05-00-076-04-02-2
  • 21000-28-05-00-076-04-02-3
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21000-28-05-00-076-04-02

Proximity Housing Bently Nevada 21000-28-05-00-076-04-02

In stock (11 units), ready to be shipped

  • Manufacturer: Bently Nevada

  • Product No.: 21000-28-05-00-076-04-02

  • Product Type: Housing Assembly

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1100g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Product Overview

The Bently Nevada 21000-28-05-00-076-04-02 is an API 670 compliant Explosion-Proof Proximity Probe Housing Assembly engineered for deep-access rotating machinery vibration monitoring in extreme environments. Constructed from high-strength aluminum with a 304 stainless steel sleeve, this rugged external housing integrates a 3300 XL 8mm reverse-mount proximity probe with a 0.5m cable and an extended 7.6-inch (193 mm) penetration depth. Weighing approximately 1.1 kg (2.4 lbs), it provides CSA Type 4 weather-proofing and explosion-proof containment for critical turbines, compressors, and petrochemical reactors.

Core Technical Advantages

Extended 7.6" Penetration Reach: Specifically designed for deep-access machine casings, ensuring precise proximity probe positioning in complex machinery setups.

API 670 Compliant Enclosure: Fully certified as a CSA Type 4 housing meeting stringent American Petroleum Institute (API) 670 standards for externally mounted probe assemblies.

Comprehensive Hazardous Area Ratings: Certified by CSA for Class I/II/III explosion-proof operation, supporting extreme operating temperatures from -50°C to +80°C.

Technical Specifications

Parameter Category Specification Details
Manufacturer / Brand Bently Nevada
Complete Part Number 21000-28-05-00-076-04-02
Housing Material Aluminum Body with 304 Stainless Steel Sleeve
Probe Type (-28) 3300 XL 8 mm Proximity Probe (Hazardous-Area Approved)
Probe Cable Length (-05) 0.5 meters (20 inches)
Standoff Adapter (-00) No Standoff Adapter included
Probe Penetration (-076) 7.6 Inches (193 mm)
Fitting Option (-04) One 3/4-14 NPT Plug Fitting
Mounting Thread (-02) 3/4-14 NPT Thread
Operating Temperature -50°C to +80°C (-58°F to +176°F)
Net Base Weight 1.1 kg (2.4 lbs) typical without fittings

Installation and Maintenance

Mounting & Threading: Apply approved thread sealant and thread the 3/4-14 NPT base into the machine casing. Ensure proper torque to maintain explosion-proof sealing.

Conduit & Seal: Secure field cables using the included NPT plug fitting and integrated strain relief. Fully tighten the dome cover to maintain the CSA Type 4 environmental rating.

Engineering Advantages

Standardized API 670 Field Installation

Designed specifically to satisfy API 670 guidelines, this housing assembly provides field engineers with a standardized, robust method for mounting proximity probes on turbines, compressors, and large pumps without custom machining.

Complete Environmental & Explosion Protection

The combination of a heavy-duty aluminum body, threaded dome cover, and sealed conduit fittings protects inner sensing elements against moisture, corrosive atmospheric gases, and extreme ambient industrial shock.

Pre-Configured Modular Components

All core installation hardware—including the internal reverse-mount probe, sleeve, thread seals, and cable strain-relief grips—arrives as a factory-tested assembly, streamlining field setup time.

Technical FAQs

Q1: What is the penetration depth specified by option -076?
A1: Option -076 designates an extended sleeve penetration length of 7.6 inches (193 mm).

Q2: What fitting configuration is supplied with option code -04?
A2: Option -04 includes one 3/4-14 NPT plug fitting for unused conduit connections.

Q3: Is the 21000 housing assembly rated for explosion-proof applications?
A3: Yes. It holds CSA explosion-proof certifications for Class I, II, and III hazardous areas.

Product Resources

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In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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