EWS /EWF series Spring Balancers with safety device


These series feature fully enclosed housing, fall-arrest device, and manual drum locks, plug type cable set, cartridge spring assembly, worm gear spring adjustment. The exposed part of the drum is minimized to ensure worker safety. The fall-arrest device prevents a suspended object from dropping even in the unlikely event that the spring breaks.

  •  For suspending electrical devices, jigs, tools, and materials for processed goods.
  •  Centering operations.
  •  Balancing device for various kinds of equipment.

 

Model

capacity (kg) Stroke (m) Wire rope diameter (Φmm) Mass(kg) How to adjust spring tension Fall-arrest device Drum lock device

EWS-3

1.5~3.0 1.3 3.0 1.9 Worm

EWS-5

3.0~5.0 1.3 3.0 2.1

EWS-7

5.0~7.0 1.3 3.0 2.1

         

Model

capacity (kg)

Stroke (m) Wire rope diameter (Φmm) Mass
(kg)
How to adjust spring tension Fall-arrest device Drum lock device

EWF-9

4.5~9.0 1.3 4.0 3.5 Worm

EWF-15

9.0~15.0 1.3 4.0 3.8

EWF-22

15.0~22.0 1.5 4.76 7.3

EWF-30

22.0~30.0 1.5 4.76 7.7

EWF-40

30.0~40.0 1.5 4.76 9.7

EWF-50

40.0~50.0 1.5 4.76 10.1

EWF-60

50.0~60.0 1.5 4.76 11.1

EWF-70

60.0~70.0 1.5 4.76 11.4

EWF-90

70.0~90.0 2.0 4.76 21.9

EWF-105

85.0~105.0 2.0 4.76 24.0

EWF-120

100.0~120.0 2.0 4.76 27.5