Product Introduction
The Bently Nevada 4190-20 is a precision industrial adapter engineered for connecting a junction box to the machine case and enabling proximity probe installation in rotating machinery. This adapter supports multiple thread configurations, providing robust mechanical coupling for critical vibration monitoring systems.
Technical Specifications
The Bently Nevada 4190-20 adapter is built with the following key parameters:
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Internal Diameter: 16.7 mm (0.656 in)
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Internal Thread Type: 5/8-18 UNF-2B
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External Thread Type: 3/4-14 NPT
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Overall Length: 46.0 mm (1.81 in)
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Country of Origin: Made in U.S.A.
Real-World Applications
Ideal for heavy industries such as power generation, oil and gas, and petrochemical, the Bently Nevada 4190-20 adapter is used in turbine, compressor, and pump vibration monitoring systems. By securely mounting the junction box and proximity probe, it ensures accurate vibration data acquisition and reduces maintenance downtime.
Installation & Setup Guidance
For reliable mounting, clean both internal (5/8-18 UNF-2B) and external (3/4-14 NPT) threads before installation. Hand-tighten the adapter into the machine case, then use a torque wrench to achieve a secure fit without over-tightening (torque values follow Bently Nevada standard practices). Always verify that the internal diameter of 16.7 mm is compatible with your proximity probe clearance requirements.
Selection Guide & Purchasing Advice
Before purchasing the Bently Nevada 4190-20 adapter, confirm that your machine case thread matches the 3/4-14 NPT external thread and that your junction box or proximity probe uses the 5/8-18 UNF-2B internal thread. For custom configurations not listed in this data sheet, contact your sales representative or visit ubest101 for expert assistance. Choosing the correct adapter prevents installation errors and maximizes sensor reliability.