Technical articles
Surisa's technical area. Guides, DIN standards, material selection and industrial applications for our product families — written by our engineering team, providing technical advice since 1974.
Showing 13 articles · Disc springs
Disc springs for electrolyzers and fuel cells
Disc springs, also known as spring washers and Belleville washers, are essential for maintaining the integrity and functionality of sealing in electrolyzers…
Environmental corrosion study on elastic washers
Comparison of disc spring degradation by material through a real 21-month environmental exposure case study.
A Beginner's Guide To Belleville Washers
What a Belleville washer is, its uses, DIN 2093 disc springs, and how to choose the right one (torque, diameter, finish).
Coil Spring or Belleville Spring: Which One Should I Use?
Coil spring vs Belleville spring: their shared working principles, the key load-versus-deflection difference, and when to use each.
A Quick Guide On Different Kinds of Spring Washers
A quick guide to the different kinds of spring washers (wave, conical Belleville, finger, dome, crescent), their dimensions and how to choose.
Tips To Make Belleville Washers Last Longer
Practical tips to extend the service life of Belleville washers: the right torque, diameter and finish.