107770-01-03 Bently Nevada Velocity Transducer Housing — Explosion Proof

What Is the 107770-01-03 Bently Nevada Velocity Transducer Housing?

When hazardous area vibration monitoring demands certified safety and robust performance, the 107770-01-03 from Bently Nevada provides a factory-integrated solution. This velocity transducer housing combines the 330500 Velomitor Sensor with a 21128 Housing, preinstalled for simplified installation. It is rated for CENELEC Zone 1, Group IIC hazardous area applications, ensuring compliance with stringent safety standards.

Key Features & Technical Specs

• Part Number: 107770-01-03
• Model: Velocity Transducer Housing – CENELEC approved
• Mounting Thread Option: 01 = Unthreaded
• Cable Exit Fitting Option: 03 = 1/2-14 NPT explosion-proof with cable gland seal
• Hazardous Area Rating: CENELEC Zone 1, Group IIC
• Compliance: ATEX/IECEx for Zone 0/1 and Zone 2
• RoHS: Directive 2011/65/EU

A distinctive feature is the factory preassembly of the 330500 Velomitor Sensor with the 21128 Housing, which reduces field wiring complexity and ensures consistent performance in harsh environments.

Industry Applications & Use Cases

In petrochemical plants, refineries, and gas processing facilities, the 107770-01-03 monitors rotating machinery such as pumps, compressors, and turbines. For example, in a Zone 1 gas compressor station, this housing provides accurate velocity measurements while maintaining explosion-proof integrity. Its CENELEC approval makes it a trusted choice for European hazardous area installations.

Installation Guide

Mount the 107770-01-03 using the unthreaded option (01) with appropriate brackets. Connect the cable via the 1/2-14 NPT explosion-proof fitting with cable gland seal. Ensure the equipment meets entity parameters for Zone 0/1 and Zone 2 as per ATEX/IECEx conditions. Use cable type A or B in compliance with EN 60079-25 for safe operation.

Maintenance & Reliability

Periodically inspect the cable gland seal and housing for signs of wear or corrosion, especially in corrosive atmospheres. The factory-sealed design minimizes maintenance needs, extending service life and reducing unplanned downtime. Regular checks per the manufacturer's manual ensure ongoing reliability in critical applications.

Compatibility & Integration

The 107770-01-03 integrates with Bently Nevada monitoring systems and third-party data acquisition units that accept velocity transducer inputs. It is designed for use with cable types A or B as defined in EN 60079-25, ensuring safe signal transmission in hazardous zones.

FAQs about the 107770-01-03

Q: What hazardous area certifications does the 107770-01-03 have?

A: It is rated for CENELEC Zone 1, Group IIC, and complies with ATEX/IECEx for Zone 0/1 and Zone 2.

Q: What is the cable exit fitting option for this model?

A: The 107770-01-03 uses a 1/2-14 NPT explosion-proof fitting with cable gland seal.

Q: Is the sensor preinstalled in the housing?

A: Yes, the 330500 Velomitor Sensor is factory-installed in the 21128 Housing.

Q: What mounting thread option does the 107770-01-03 have?

A: It comes with the unthreaded mounting option (01).

Q: Can I use this housing in Zone 0 environments?

A: Yes, it is suitable for Zone 0/1 when connected to equipment meeting entity parameters.

Product Support & Availability

The 107770-01-03 is in stock and ready to ship from Petro Auto Tech. As a trusted supplier, Petro Auto Tech offers new and original factory-packed units with a 12-month warranty. Contact Petro Auto Tech for ordering and lifecycle status verification.