21000-34-10-00-018-03-02 | Bently Nevada 8 mm Proximity Probe Housing Assembly

What Is the 21000-34-10-00-018-03-02?

When you need reliable vibration monitoring in hazardous environments, the 21000-34-10-00-018-03-02 from Bently Nevada delivers a robust solution. This proximity probe housing assembly is designed for externally mounted probes in industrial machinery. It combines an aluminum body with a 304 stainless steel sleeve for durability. The assembly includes a dome cover, threaded conduit ports, and a reverse mount proximity probe. It meets API 670 standards for externally mounted housings. The unit is rated explosion proof for hazardous areas. It also carries CSA Type 4 enclosure certification.

Key Features & Technical Specs

• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Probe Penetration: 1.8 inches (018 suffix).
• Mounting Thread: 3/4-14 NPT (suffix -02).
• Fittings Included: One 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and a cable seal grip with grommets for cables 1/8 to 3/8 inches.
• Maximum Probe Cable Length: 1.0 m.
• Maximum (C) + (D) Dimension: 32.9 in (83.5 cm).
• Weight: 1.1 kg (2.4 lb) typical without fittings.
• Materials: Aluminum body with 304 stainless steel sleeve.

A distinctive feature is the 1.8-inch probe penetration. This allows precise positioning in tight machine clearances. The selectable hazardous area approvals make it versatile for global installations.

Applications & Use Cases

This housing assembly is ideal for rotating machinery monitoring in oil and gas, petrochemical, and power generation plants. It works well with compressors, turbines, and pumps. The CSA Type 4 rating ensures protection against dust and water ingress. The explosion-proof design suits Class I, Division 1 areas. The API 670 compliance guarantees compatibility with standard proximity probe systems.

Installation Guide

Mount the housing using the 3/4-14 NPT thread. Ensure the probe sleeve length matches the machine clearance. Use the provided cable seal grip to secure the probe cable. The grip accommodates cable diameters from 1/8 to 3/8 inches. Tighten the dome cover to maintain the explosion-proof seal. Always follow the manufacturer's manual for torque specifications.

Routine Care & Reliability

Inspect the housing periodically for corrosion or damage. Check the O-rings and thread seal for wear. Keep the dome cover clean and free of debris. The stainless steel sleeve resists harsh environments. Regular inspection extends service life and reduces unplanned downtime.

FAQ about 21000-34-10-00-018-03-02

What is the probe penetration of the 21000-34-10-00-018-03-02?

The probe penetration is 1.8 inches, as indicated by the 018 suffix code.

What mounting thread does this housing use?

It uses a 3/4-14 NPT thread, specified by the -02 mounting thread option.

Is this housing approved for hazardous areas?

Yes, it is rated explosion proof for hazardous areas and has CSA Type 4 enclosure certification.

What cable sizes does the included seal grip support?

The cable seal grip accommodates cables from 1/8 to 3/8 inches in diameter.

What is the maximum cable length for the probe?

The maximum probe cable length is 1.0 meter.

Product Support & Availability

The 21000-34-10-00-018-03-02 is in stock and ready to ship. Contact Petro Auto Tech for current pricing and lead times. Our team can assist with ordering and technical questions.