21022-12-05-020-04 Bently Nevada Dual Axial Housing Assembly

Bently Nevada 21022-12-05-020-04 Overview

• Manufacturer: Bently Nevada
• Product No.: 21022-12-05-020-04
• Product Type: Dual Axial Probe Housing Assembly
• Origin: Made in U.S.A
• Condition: New & Original
• Warranty: 12 Months

Design Purpose

• Used for axial thrust position measurement.
• Mounts near the thrust bearing.
• Allows two probes to watch shaft movement.
• External housing protects probes.
• Easy gap setting from outside.

Ordering Code Structure

• 21022-XX-XX-XXX-XX
  • 21022: Dual axial probe housing
  • 12: 3300 XL 8 mm probe with connector
  • 05: 0.5 meter probe cable
  • 020: 2.0 inch probe penetration
  • 04: Three 3/4-14 NPT plugs (kit)

Important Selection Notes

• 3300 XL 11 mm probe not available at 0.5 m.
• Fittings shipped loose, not pre-installed.
• Requires two 3/4-inch NPT machine ports.

Mechanical Specifications

• Housing Material: Aluminum alloy, copper-free
• Sleeve Material: 304 stainless steel
• Mounting: Four standard machine screws
• Housing Weight: 3.6 kg (8 lb)
• Protection: Dust and splash resistant

Compliance & Performance

• Meets API 670 standard
• Supports dual axial probes
• Stable probe alignment
• Low vibration interference
• Long service life

Typical Applications

• Steam turbines
• Gas compressors
• Large pumps
• Rotating machinery
• Critical thrust bearings

Shipping Methods

• FedEx International
• UPS Worldwide
• DHL Express

Professional FAQ

• Why use a dual axial housing?
• It provides backup and higher safety.
• Is this housing pre-assembled?
• Probes are installed. Fittings are separate.
• Can probes be adjusted after install?
• Yes. Adjustment is done externally.
• Is this suitable for harsh plants?
• Yes. It protects probes from dirt and liquid.
• What should buyers confirm first?
• Probe size, penetration depth, and cable length.

Contact Information Inquiries:
info@oiltechcontrols.com |
+86 158 8020 0923

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