Constant Force Spring

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The constant force spring is used to stabilize the grounding wire for low and medium voltage cable terminations. The spring is also used to stabilize the copper wire shield layer of the middle joint of low and medium voltage cables.

Features The constant force spring is made of rolled steel whose surface is polished.
This spring produces constant retraction force after compression or extension. These features make it widely used in applications where smooth compression and extension and balance are necessary. Specifications

Model	Detailed Specifications			Length/Roll （mm）
Model	Thickness（mm）	Width（mm）	Inner Diameter（mm）	Length/Roll （mm）
Ø10	0.12	15	10	190
Ø14	0.18	15	14	300
Ø16	0.20	15	16	330
Ø18	0.26	15	18	393
Ø22	0.31	15	22	495
Ø25	0.36	15	25	550
Ø30	0.41	20	30	635
Ø36	0.48	20	36	750
Ø45	0.52	20	45	920
Ø50	0.52	20	50	1020
Ø60	0.70	20	60	1220
Ø65	0.70	20	65	1320
Ø70	0.70	20	70	1450