Vibration Damper for OPGW

Sl. No.	Desc.	Material	Surface Treatment	Qty.
1	Damper Weight	Cast Iron	H.D.G.	1
2	Damper Weight	Cast Iron	H.D.G.	1
3	Messenger Cable (19 strand)	H.T. Steel (135 kg/mm2)	H.D.G.	1
4	Hook Half Clamp	Al. Alloy	-	1
5	Cover Half Clamp	Al. Alloy	-	1
6	Plain Washer	Mild Steel	H.D.G.	1
7	Bolt M16	Mild Steel	H.D.G.	1
8	Spring Washer	Spring Steel	E.G.	1
9	Protective Rod	Al. Alloy	-	1 set

Technical Data :

1. Total weight : 2.45 kg ±5%

2. Weight of (1) : 0.7 kg. ±5%

3. Weight of (2) : 0.95 kg ±5%

4. Clamp slipping strength 2.5 kN

5. Installation torque 6 kg - M

6. Mass pull off strength 5 kN

7. Dia of each strand of messenger cable 19/2.40 mm.

8. Overall Dia : 12.00 mm.

9. General Tolerance ±3%

10. Vibration damper conform to IS : 9708 (1993)

11. Vibration damper shall be clamped on protective rod of suspension & tension clamp