Overview of Magnetic Couplings:Magnetic couplings are devices that transfer motion, force, or torque across a solid barrier without the need for seals, eliminating the risk of leaks or contamination. They are suitable for use in environments such as vacuums, the human body, or sterile settings.
Key Features:- No Contact During Motion: The lack of contact between moving parts reduces wear, enhancing reliability and reducing maintenance needs.
- Precise Motion Delivery: The RPM of the driven system matches the driving system, making magnetic couplings ideal for applications like metering pumps and precise positioning devices.
- Versatility: Besides transferring torque, magnetic couplings can function as positioning devices, sensors, or detectors, and can be designed to operate at constant torque.
Dexter Magnetic Couplings:Dexter has deployed over 300,000 magnetic couplings, offering solutions for various applications, including safety valves in oil wells, hydraulic fluid metering pumps, chemical pumps, titanium vat agitators, undersea applications, and valve position sensors.
Specifications and Applications:- Linear Drive for Safety Valve: 1200 lb force, 200°C, 20,000 psi, suitable for subsurface oil and gas wells.
- RPM Sensor for Hydraulic Fluid Metering Pump: 1.8 in-oz torque, 250°C, 80 psi, limited driver side length.
- Drive for Chemical Pump: 12 ft-lb torque at 3600 rpm, 180°C, 30 psi, hard start conditions.
- Drive for Titanium Vat Agitator: 150 ft-lb torque at 100 rpm, 350°C, vacuum conditions.
- Drive for Undersea Application: 10 ft-lb torque at 120 rpm, 250°C, 800 ft deep saltwater.
- Valve Position Sensor Drive: 1.5 in-oz torque, sealed application, low cost.
- Self-Positioning Holding Unit: Room temperature, fully detachable coupling.
Design and Customization:Dexter offers customizable designs to meet specific performance requirements and environmental challenges. For quotes and design requests, visit their website.