This compact, 1.5” diameter HPHT Brushless DC motor from BEI Kimco is ideal for down-hole applications, such as mud pulser valves. This rugged motor from BEI Kimco has been tested for operation up to 400°F (205°C) and pressures up to 30,000 PSI (2070 bar).
Features:
- Samarium cobalt magnets provides high temperature stability and corrosion resistance
- Proprietary structural adhesive and insulation material increases reliability under continuous duty operation
- Stainless steel sleeve rotor ensures added protection in high shock and vibration environments
- Ruggedized and tested for HPHT environments
- Integral commutation, no external feedback device
- Shock 1000g, 0.5ms/axis
- Vibration 25g RMS 30 – 500Hz Random, 3h/axis
Specifications
| Winding Constants | UNIT | TOL | SYM | WDG Z |
| DC Resistance | Ω | ±12.5% | R | 0.4 |
| Voltage @ Tp | V | NOM | Vp | 9.06 |
| Current @ Tp | A | NOM | Ip | 22.7 |
| Current @Tcs | A | NOM | Ics | 5.9 |
| Torque Sensitivity | N.m/A Oz.in/A | ± 10% | Kt | 0.037 5.3 |
| BEMF Constant | V/(rad/s) | ± 10% | Kb | 0.037 |
| Inductance @ 1kHz | mH | ± 30% | L | 0.25 |
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