31000-29-10-20-025-02-02 Bently Nevada 31000 Probe Housing

Bently Nevada 31000 Proximity Probe Housing with 3300 XL 8 mm Probe

Product Introduction

The Bently Nevada 31000-29-10-20-025-02-02 delivers a complete proximity sensing solution for critical machinery monitoring. This assembly combines a durable housing with a 3300 XL 8 mm probe and a 1.0-meter cable. Moreover, its thoughtful design simplifies installation while ensuring reliable vibration and position measurements in harsh conditions.

Technical Specifications

The 31000-29-10-20-025-02-02 includes a 3300 XL 8 mm probe with a connector protector for enhanced cable reliability. This model features a 1.0-meter (39-inch) probe cable, providing ample length for various mounting configurations. The housing provides a 2.5-inch probe penetration, suitable for applications requiring moderate insertion depth. Additionally, this unit includes a 2.0-inch standoff adapter, which creates necessary clearance between the housing and the mounting surface. For connectivity, this model offers two 3/4-14 NPT fittings and one plug. The mounting thread follows the 3/4-14 NPT standard, ensuring compatibility with common industrial fittings. The standoff adapter option requires this thread size.

Housing Material and Durability

Glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic forms the main housing body. This material contains conductive fibers that effectively dissipate electrostatic charges in hazardous locations. Meanwhile, AISI 304 stainless steel comprises the sleeve and retaining chain for superior corrosion resistance. The outer sleeve and exterior screws utilize AISI 303 stainless steel, which offers excellent machinability and durability. Furthermore, a Neoprene® O-ring provides a reliable seal that keeps moisture and contaminants away from the internal components. The probe case additionally incorporates a Viton O-ring for enhanced sealing performance.

Environmental and Protection Ratings

This Bently Nevada housing carries a Type 4X rating from CSA, confirming its suitability for corrosive environments. It also holds an IP66 rating, which SC115582-1 (e) 106 verified, ensuring complete dust exclusion and protection against powerful water jets. Moreover, it complies with CENELEC standard EN50014 for electrostatic dissipation of plastic materials in hazardous areas. This housing operates flawlessly across a wide temperature spectrum, from -51°C to +105°C (-60°F to +221°F). BASEEFA certified its impact resistance, confirming it withstands two separate 4 Joule impacts at both -39°C and 115°C. Additionally, CSA verified that samples endure a 7 Joule impact at room temperature. These features collectively guarantee long-term field reliability.

Pressure Sealing Characteristics

The 31000-29-10-20-025-02-02 assembly effectively seals differential pressure between the probe tip and the housing body when used with a 3300 XL 8 mm probe. A Viton O-ring inside the probe case and a Neoprene O-ring between the sleeve and housing create this seal. The housing meets NEMA 4X and IP66 standards for sealing against hose-directed water. However, this design does not resist internal or external pressure. Probes do not undergo pressure testing before shipment. Please contact our custom design department if your application requires a pressure seal test.

Mechanical Strength and Installation

This housing demonstrates outstanding mechanical strength under challenging conditions. For example, it supported a 912 N (205 lb) load during a typical strength test. In this test, the outer sleeve mounted horizontally on a stand, with the housing attached through an end hole. The load placed approximately 38 mm from the unsupported end, while the cover remained fastened and the grounding liner installed. For proper installation, apply a torque of 29.4 N·m (260 in·lb) to the retaining nut. Following this torque specification ensures a secure and leak-proof assembly.

Standoff Adapter Functionality

The 2.0-inch standoff adapter included with this model serves an important purpose. It positions the housing away from the mounting surface, creating space for proper cable routing and heat dissipation. This feature proves especially valuable in applications where the mounting surface experiences high temperatures or where cable management requires additional clearance. The standoff adapter also simplifies maintenance by providing better access to the probe and fittings.

Installation Guide

Installing the Bently Nevada 31000-29-10-20-025-02-02 involves several straightforward steps. First, clean the mounting surface thoroughly and prepare the 3/4-14 NPT threads properly. Next, attach the 2.0-inch standoff adapter to the mounting surface. Then, insert the 3300 XL 8 mm probe carefully into the housing bore. Tighten the retaining nut to the recommended 29.4 N·m torque value. Finally, connect the wiring through the fittings and secure the plug. Remember to set the probe penetration depth precisely to 2.5 inches for optimal measurement accuracy.

Packaging List

• 1 x Bently Nevada 31000-29-10-20-025-02-02 Proximity Probe Housing Assembly

• 1 x 3300 XL 8 mm Probe with Connector Protector

• 1 x 1.0 m (39 in) Probe Cable

• 1 x 2.0 in Standoff Adapter

• 1 x AISI 304 Stainless Steel Sleeve and Retaining Chain

• 2 x 3/4-14 NPT Fittings

• 1 x Plug

• 1 x Neoprene® O-Ring

• Installation Hardware

Shipping Information

We ship all orders via FedEx, UPS, or DHL to ensure fast and reliable delivery worldwide.

Frequently Asked Questions (FAQ)

Q1: What probe does this housing include?
This model includes a 3300 XL 8 mm probe with a connector protector, providing reliable performance for vibration monitoring.

Q2: What is the standoff adapter length for this version?
This configuration includes a 2.0-inch standoff adapter, which creates clearance between the housing and the mounting surface.

Q3: What is the probe penetration depth for this model?
This version provides a 2.5-inch (025) penetration, suitable for applications requiring moderate insertion depth.

Q4: Can I use this housing outdoors?
Yes, its IP66 and Type 4X ratings guarantee full protection against dust, water jets, and corrosive conditions.

Q5: Does this housing seal against internal pressure?
No, it seals against hose-directed water per NEMA 4X and IP66 standards but does not resist internal or external pressure.