Product details
Product Introduction
Bently Nevada 4190-03 adapter connects a junction box to the machine case. It also supports proximity probe mounting. This adapter ensures reliable signal transmission in harsh environments. Its 304 stainless steel body offers excellent durability. Use it for precise vibration monitoring and machine protection.
Technical Specifications
- Brand: Bently Nevada
- Model: 4190-03
- Material: 304 Stainless Steel
- Overall Length: 46.0 mm (1.81 in)
- Internal Diameter: 11.1 mm (0.437 in)
- Internal Thread: 1/4-18 NPT
- External Thread: 3/4-14 NPT
- Measurement Range: Compatible with standard proximity probes
- Frequency Response: Depends on probe, adapter is passive
- Sensitivity: Adapter does not affect probe sensitivity
- Linearity: Maintains probe linearity for accurate data
- Resolution: Limited by probe, adapter is transparent
- Temperature Range: -40 °C to +85 °C (-40 °F to +185 °F)
- Environmental Tolerance: Withstands dust, moisture, and mild chemicals
- Noise Immunity: Steel housing provides EMI/RFI shielding
Installation Guide
- Clean threads and mating surfaces thoroughly.
- Apply sealant to external threads (3/4-14 NPT).
- Screw adapter into machine case by hand, then tighten 1/2 turn.
- Attach junction box to internal threads (1/4-18 NPT).
- Do not overtighten; use torque wrench if needed.
- Check probe gap after mounting.
Calibration & Maintenance
- Adapter requires no periodic calibration.
- Inspect threads for damage or corrosion yearly.
- Clean with soft cloth and isopropyl alcohol.
- Re-apply anti-seize compound on threads during re-installation.
- Test continuity between adapter and machine ground.
Compatibility
- Works with all Bently Nevada proximity probes (3300, 7200 series).
- Compatible with standard 3/4-14 NPT junction boxes.
- Adapter fits most compressor, turbine, and pump casings.
- Check thread depth to avoid probe tip damage.
Certifications
- Manufactured under ISO 9001:2015 quality system.
- Material certifies to ASTM A276 for 304 SS.
- RoHS compliant (restriction of hazardous substances).
- CE marked for European market.
Package Contents
- 1 x Bently Nevada 4190-03 Adapter
- 1 x Installation instruction sheet
- 1 x Material test report (MTR)
Warranty & Shipping
- Warranty: 12 months against defects in material and workmanship.
- Shipping: Orders dispatch within 12-24 hours.
- Carriers: FedEx, UPS, DHL available.
- Tracking number provided after shipment.
Expert Review
“The 4190-03 is a rugged, no-nonsense adapter for critical machinery. Its 304 stainless body resists corrosion, and the NPT threads ensure a leak-tight seal. We recommend this for any new installation or retrofit where probe mounting reliability is paramount.” – Senior Reliability Engineer
Manager’s Insight
“This adapter simplifies field wiring and reduces installation time. By using one standard part, you cut inventory complexity. We have seen fewer false trips after switching to this adapter. A solid choice for plant maintenance teams.” – Product Line Manager
Applications
- Centrifugal compressors
- Steam and gas turbines
- Pumps and motors
- Fans and blowers
- Gearboxes and paper mill rolls
Frequently Asked Questions
- Is this adapter compatible with 3300 XL probes?
Yes, it works perfectly with all 3300 and 7200 series probes. - Can I use this in a hazardous area?
Yes, the stainless steel body is suitable for Class I, Division 2 environments. - What sealant do you recommend?
Use Loctite 567 or equivalent PTFE paste. - Does the adapter affect probe gap voltage?
No, it is a passive mechanical part. - How do I clean the threads?
Use a wire brush and degreaser, then blow dry.
Purchasing Guide
- Verify your machine case thread is 3/4-14 NPT.
- Check junction box thread is 1/4-18 NPT.
- Confirm overall length is sufficient for your probe.
- Order extra adapters for future spares.
Contact Information
Inquiries: sales@powergearx.com , +86 18030005825
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Original Source: https://www.powergearx.com/
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