Medium Penetration Probe Housing with Standoff

The Bently Nevada 21000-34-00-20-039-04-02 delivers balanced performance. This housing provides 3.9 inch probe penetration for versatile applications. It includes a 2.0 inch standoff adapter for optimal positioning. No cable included for custom installation flexibility. Explosion-proof design ensures safety in hazardous areas. The 21000 series housing maintains API 670 compliance.

Primary Advantages

• 3.9 inch medium penetration for versatile use
• 2.0 inch standoff adapter included
• Custom cable installation capability
• Explosion-proof hazardous area rating
• Aluminum and stainless steel construction
• Standard NPT mounting threads
• Compact and durable design

Complete Specifications

• Product Number: 21000-34-00-20-039-04-02
• Manufacturer: Bently Nevada
• Product Type: Probe Housing Assembly
• Body Material: Aluminum alloy
• Sleeve Material: 304 Stainless Steel
• Probe Compatibility: 3300 XL 8mm
• Cable Status: Not included
• Standoff Length: 2.0 inches
• Penetration Depth: 3.9 inches
• Mounting Connection: 3/4-14 NPT
• Visible Probe Height: 17.0 inches maximum
• Overall Dimension: 32.9 inches total
• Assembly Weight: 1.1 kg typical
• Enclosure Rating: CSA Type 4
• Industry Standard: API 670 compliant
• Area Classification: Explosion-proof
• Sealing System: Multiple O-rings
• Thread Type: Standard NPT industrial

Model Suffix Analysis

• 21000 - Base housing assembly platform
• 34 - 8mm probe with hazardous area approval
• 00 - No cable supplied with housing
• 20 - 2.0 inch standoff adapter length
• 039 - 3.9 inch probe penetration depth
• 04 - Single NPT plug fitting option
• 02 - 3/4-14 NPT mounting thread standard

Installation Features

• Mount with standard 3/4-14 NPT thread
• Use included 2.0 inch standoff adapter
• Set probe at 3.9 inch penetration depth
• Install custom cable of your choice
• Ensure proper O-ring seating
• Follow hazardous area installation codes

Application Flexibility

• Ideal for medium depth applications
• Perfect for custom cable requirements
• Suitable for various industrial settings
• Works with existing cable inventory
• Compatible with multiple monitoring systems

Quality Certifications

• CSA explosion-proof certification
• Type 4 environmental protection
• API 670 standard compliance
• Hazardous area operation approved
• Industrial safety standards met

Package Contents

• One Bently Nevada 21000-34-00-20-039-04-02 housing
• 2.0 inch standoff adapter
• One 3/4-14 NPT connection plug
• Complete O-ring sealing kit
• Dome cover and thread seal
• Installation guidance documentation
• 12-month quality assurance
• Fast shipping via FedEx, UPS, DHL

Expert Questions Answered

What penetration depth does this housing provide?

This model offers 3.9 inches of probe penetration depth.

Is a cable included with this housing?

No, this version allows you to install your preferred cable.

What is the standoff adapter length?

It includes a 2.0 inch standoff adapter for mounting.

Can I use my existing cables with this housing?

Yes, the design accommodates custom cable installation.

What makes this housing suitable for hazardous areas?

CSA explosion-proof certification ensures safe operation in dangerous environments.