Bal Seal Engineering’s springs, seals, and contacts help improve the performance and reliability of equipment used in automotive, marine, and rail transportation. Our custom-engineered products enable designers to achieve higher speeds, longer service life, more efficient power and fuel consumption, and more functionality in less space.

Bal Seal® Spring Energized Seal

Our seals are precision-machined from PTFE and other premium polymers, and they’re engineered to deliver longer service life and more equipment uptime. Their spring energizers ensure even, consistent wear, and their jacket materials can be customized to meet specific requirements in rotary, reciprocating, oscillating, and static applications.

  • Controllable friction forces
  • Excellent media and temperature resistance
  • Wear-regulating spring energizer
  • FDA compliant

Bal Spring® Canted Coil Spring

Our spring mechanically fastens, conducts electricity, and shields sensitive electronics from EMI/RFI. Its independent coils, which serve as multiple contact points for optimal current carrying capability, ensure consistent, reliable connection—even under shock and vibration.

  • Superior conductivity & power density
  • Multifunctional for lighter, simpler designs
  • Customizable insertion/removal forces

Automotive Applications

Automotive


Commercial Transport Applications

Freight Train



Cargo Vessel




Transportation Industry Achievements
Leading the Charge As a member of CharIN e.v., a committee founded by Audi, BMW, Daimler, and other industry leaders, we help shape standards that pave the way for faster charging and other EV breakthroughs. Accelerating Motorsports Formula 1 and Formula E designers use the Bal Spring® to give their vehicles a competitive edge. By conducting power consistently, even at speeds >170 mph, our spring has earned a place in today’s winningest platforms.

Contact Won Conductor Co., Ltd