21000-34-10-00-053-04-02 | Bently Nevada 8 mm Probe Housing Assembly

Buyer's Guide: Evaluating the 21000-34-10-00-053-04-02 Proximity Probe Housing Assembly

When you need a robust solution for vibration monitoring in rotating machinery, the 21000-34-10-00-053-04-02 from Bently Nevada delivers a proven design. This guide helps you assess its fit for your application, focusing on key specs and real-world value.

Key Features & Technical Specs of the 21000-34-10-00-053-04-02

• Model: 21000 Proximity Probe Housing Assembly with a 3300 XL 8 mm probe and connector protector.
• Probe cable length is 1.0 m (39 in), as indicated by suffix code 10.
• Probe penetration measures 5.3 in, specified by suffix code 053.
• Fitting option includes one 3/4-14 NPT plug only, per suffix code 04.
• Mounting thread is 3/4-14 NPT, required when no standoff adapter is used.
• Body is aluminum with a 304 stainless steel sleeve for durability.
• Maximum dimension (C + D) with visible probe P/N and S/N is 17.0 in (43.18 cm).
• Total maximum dimension (C + D) is 32.9 in (83.5 cm).
• Typical weight is 1.1 kg (2.4 lb) without fittings.
• CSA certified as explosion proof for hazardous areas and compliant with API 670 Standard.

Industry Applications & Use Cases

In petrochemical plants and power generation facilities, the 21000-34-10-00-053-04-02 provides reliable proximity sensing for critical rotating equipment. For example, it monitors shaft vibration in compressors and turbines, helping prevent unplanned downtime. Its CSA Type 4 enclosure rating ensures performance in harsh environments, while the selectable hazardous area approvals add flexibility for global installations.

Installation & Setup Guidance

Mount the housing using the 3/4-14 NPT thread option, which matches standard conduit connections. Ensure the probe cable length of 1.0 m is sufficient for your routing path. For explosion-proof installations, use the specified CA version housing with appropriate conduit fittings. Always follow Bently Nevada's installation manual for proper probe gap and clearance.

Maintenance & Reliability Tips

Regularly inspect the O-rings and thread seal for wear to maintain enclosure integrity. The aluminum body with stainless steel sleeve resists corrosion, extending service life in wet or corrosive areas. Periodically verify the probe cable and connector for damage, as cable fatigue can affect measurement accuracy. This proactive care reduces long-term replacement costs.

Compatibility & Integration

The 21000-34-10-00-053-04-02 integrates with Bently Nevada monitoring systems and third-party vibration analyzers that accept 8 mm proximity probe inputs. Its CSA certification for intrinsically safe applications allows connection to approved barriers. For API 670 compliant installations, this housing meets the standard for externally mounted probes.

FAQ about the 21000-34-10-00-053-04-02

What is the probe cable length for this housing assembly?

The probe cable length is 1.0 m (39 in), as specified by suffix code 10.

What mounting thread does the 21000-34-10-00-053-04-02 use?

It uses a 3/4-14 NPT mounting thread, which is required when no standoff adapter is ordered.

Is this housing assembly rated for hazardous areas?

Yes, it is available with CSA explosion-proof certification and supports intrinsically safe applications with approved probes.

What is the typical weight of the housing without fittings?

The typical weight is 1.1 kg (2.4 lb) without fittings.

Product Support & Availability

The 21000-34-10-00-053-04-02 is available as new and original factory packing from Petro Auto Tech. Contact our team for current lead times and to verify lifecycle status before ordering.