railway airspring
Item: FUTONG 540G
Effective diameter/mm: 540
Vertical deflection capacity/mm: -70----+40
Horizontal deflection capacity: ±110
Pressure at max load Mpa/t : 0.5/10.6
Max dimension/mm: 680
Design height/mm: 220
System weight/kg: 70
Vertical stiffness of layer spring/N.mm-1: 3300at 60kN