Bently Nevada 21000-34-05-30-050-04-02 Hazardous Area Housing

The 21000-34-05-30-050-04-02 provides safe vibration monitoring in explosive environments. This complete housing assembly includes 8mm probe and 0.5m cable. It features 5.0 inch penetration depth with 3.0 inch standoff. Perfect for pumps and compressors in dangerous areas.

Main Advantages

• Explosion-proof design certified by CSA
• Medium 5.0 inch probe penetration depth
• Short 0.5 meter internal probe cable
• 3.0 inch standoff for easy installation
• Aluminum body with stainless steel sleeve
• Includes NPT plug for conduit sealing

Model Number Details

• 21000: Base housing assembly model
• 34: 8mm probe with hazardous area approval
• 05: 0.5 meter internal cable length
• 30: 3.0 inch standoff adapter
• 050: 5.0 inch probe penetration
• 04: One 3/4-14 NPT plug included
• 02: 3/4-14 NPT mounting thread

Technical Specifications

• Manufacturer: Bently Nevada
• Full Model: 21000-34-05-30-050-04-02
• Housing Material: Aluminum alloy
• Internal Components: 304 stainless steel
• Probe Type: 8mm proximity sensor
• Cable Length: 0.5 meters (20 inches)
• Standoff Length: 3.0 inches
• Penetration Depth: 5.0 inches
• Connection Type: 3/4-14 NPT thread
• Maximum Height: 13.5 inches (34.3 cm)
• Product Weight: 1.1 kg (2.4 pounds)
• Operating Temp: -50°C to +150°C
• Enclosure Rating: CSA Type 4
• Impact Resistance: IK08 rated
• Vibration Resistance: 5g maximum

Safety Features

• Explosion-proof construction
• CSA certification for hazardous areas
• API 670 standard compliance
• Intrinsically safe approved
• Weather resistant design
• Corrosion protected materials

Package Contents

• Complete housing assembly
• 8mm reverse mount proximity probe
• Dome cover with O-ring seal
• Threaded conduit ports
• 3/4-14 NPT plug
• Installation thread seal
• All necessary mounting hardware

Global Shipping

• FedEx express delivery
• UPS worldwide service
• DHL international shipping
• Stock availability guaranteed
• Tracking information provided

Quality Assurance

We offer 12-month full warranty on all products. This covers any material or manufacturing defects. Quick response to all customer inquiries.

Get Technical Details

Download the complete product datasheet for full information. Access the 21000 and 24701 Housing Assemblies Datasheet here.

Frequently Asked Questions

What is the purpose of the standoff adapter?

The standoff creates space between housing and mounting surface. This allows for thermal expansion and easier maintenance access.

Can this housing withstand outdoor weather?

Yes, the design protects against weather, moisture, and industrial environments effectively.

What machinery typically uses this housing?

Refinery pumps, gas compressors, and chemical process equipment in classified hazardous locations.

How do I maintain the housing seals?

Inspect O-rings during routine maintenance. Replace if any signs of wear or damage appear.

Is special training needed for installation?

Yes, technicians need hazardous area certification and proper training for safe installation.

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