Description
Bently Nevada Dual Axial Probe Housing: Precision Thrust Monitoring
Product Overview
Dual-probe housing for axial thrust position monitoring in rotating machinery. Mounts externally near thrust bearings to measure shaft movement while protecting probes from harsh environments. Complies with API 670 standards.
Technical Specifications
Brand: Bently Nevada
Full Model: 21022-28-05-035-02
Suffix Breakdown:
- 28: 3300 XL 8mm probe with multi-certification
- 05: 0.5m (20-inch) cable
- 035: 3.5-inch probe penetration
- 02: Two 3/4-14 NPT fittings + plugs kit
Range: ±2mm from null voltage
Accuracy: ±1% full scale
Output Signal: -2V to -18V DC
Temperature Range: -40°C to +120°C
Housing Material: Copper-free aluminum alloy
Sleeve Material: 304 Stainless steel
Weight: 3.6kg (8 lbs)
Package Contents
- Pre-assembled dual-probe housing
- Fittings kit (2x NPT fittings + plugs)
- Mounting hardware set
- Calibration certificate
Installation Notes
- Mount within 1 meter of measurement point
- Use thread sealant on NPT fittings
- Ground housing to machine casing
- Maintain 1.0-1.5mm probe gap during setup
Shipping & Warranty
Delivery: FedEx/UPS/DHL (2-5 business days)
Warranty: 12 months from shipment date
FAQ
Q: Can probes be replaced separately?
A: Yes, both probes are field-replaceable using standard extraction tools
Q: Is calibration required after installation?
A: Factory calibration is included – field recalibration only needed after probe replacement
Q: Maximum pressure rating?
A: 50 psi at 100°C decreasing to 20 psi at 120°C
Q: Supported shaft materials?
A: All ferrous metals including 400-series stainless steel
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