21022-00-00-017-00 Bently Nevada Dual Axial Probe Housing Assembly

Engineering Overview and Architecture

The 21022-00-00-017-00 engineered by Bently Nevada represents a robust 21022 Dual Axial Probe Housing Assembly. It houses two proximity probes within an external protective enclosure to monitor shaft axial thrust position movement near machine thrust bearings.

Configuration Breakdown

Technical Specifications and Physical Properties

• Brand: Bently Nevada
• Full Model Number: 21022-00-00-017-00
• Series: 21022 Dual Axial Housing
• Housing Material: Sand-cast aluminum alloy (0.3 percent copper free)
• Sleeve Material: 304 stainless steel sleeves
• Total Assembly Weight: 3.6 kg (8 lb)
• Compliance: American Petroleum Institute API 670 standard

Installation and Mechanical Mounting Guidelines

• Mount the enclosure directly onto the machine case using four standard machine screws.
• Install the sleeve and adapter assemblies through two 3/4-inch NPT threaded holes on the casing.
• Utilize the external mounting structure to perform precise probe gap adjustments externally.
• Ensure the removable enclosure cover provides secure sealing against environmental contaminants.

Diagnostics, Capabilities, and Equipment Compatibility

• Protects internal proximity probes, probe leads, and extension cables from splashing liquids and heavy dust.
• Provides dual observation channels targeting the shaft end for reliable axial position telemetry.
• Compatible with standard API 670 compliant machinery protection systems and vibration monitors.
• Suited for deployment on heavy industrial steam turbines, large centrifugal compressors, and multi-stage pumps.

Logistics, Shipping, and Warranty Terms

• Express global shipping services available via FedEx, UPS, and DHL.
• Guaranteed dispatch window within 24 to 48 hours following order verification.
• Backed by a standard 12-month industrial replacement warranty covering manufacturing defects.

Global PLC Spare HUB's Insight

Our field engineering team observes that proper torque application on the 3/4-inch NPT threads prevents structural vibration loosening during high-speed turbine operations. Furthermore, utilizing external gap adjustment saves hours of outage time during routine calibrations.

Model Selection and Comparison Guidance

When engineering dual axial measurement systems, compare your configuration requirements against alternative specifications like the 21022-12-05-020-04 Bently Nevada Dual Axial Probe Housing Assembly, which includes factory-configured probes and specific cable lengths. Choose factory-preloaded options when minimizing onsite assembly time is critical for turnaround schedules.

Frequently Asked Questions

Q: Why does the 21022-00-00-017-00 utilize a sand-cast aluminum alloy housing?

A: The 0.3 percent copper-free aluminum alloy offers high corrosion resistance and structural durability while keeping total weight down to 3.6 kg.

Q: Can probe gap adjustments be performed while the machine is running?

A: Yes, the external housing design allows maintenance personnel to adjust probe gaps safely from outside the machine casing through the removable cover.

Q: What is the specific purpose of the 1.7-inch penetration option in this assembly?

A: The 1.7-inch penetration depth matches specific machine case nozzle lengths to position the probe tips precisely relative to the shaft target.

Q: How do I select between a blank housing variant and a pre-loaded probe assembly?

A: Select blank housing variants like this model when integrating custom probe lengths, or choose pre-loaded units to streamline installation during tight maintenance windows.

Q: Does this assembly meet international petroleum industry specifications?

A: Yes, it fully complies with the American Petroleum Institute API 670 standard for axial thrust position transducer housings.

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