Descrição
    
Springs from EWES standard assortment. Extension springs for common use. 
Extension springs in this assortment are in stainless steel material according to EN 10270-3. 
Explanations: 
d = Wire diameter  
De = Outer diameter  
L0 = Free Length  
F0 = Pre-tensioned Force at L0  
L1 = Length  at Force F1  
F1 = Spring Force  at Length L1  
c = Spring Ratio