Non-contact ultrasonic level sensor controls pump or valve. No field calibration, no maintenance. Sensors in PVC, 316 stainless, Teflon, Kynar, explosion-proof.
URL: http://www.automatedsonix.com/Level_Sensor_Pump_Control.htm in English [Translate]
Precision Plus is the world's largest independent manufacturer of vacuum pump replacement parts.
Precision Plus stocks parts for vacuum pumps manufactured by every major OEM, and most parts ship within 24 hours of order.
URL: http://www.precisionplus.com in English [Translate]
Specialty Equipment ® is a manufacturer of fillers, palletizers, gantry robots and conveyor systems for heavy duty industrial applications.
URL: http://www.specialtyequipment.com/ in English [Translate]