4R Stock Bridge Type Vibration Damper for ACSR Bison

4R-Stock-Bridge-Type-Vibration-Damper-for-ACSR-Bison-conductor-accessories

Technical Data

Clamp and keeper : Alu. alloy G.D.C.
Messenger Cable : High strength galvanised steel stranded wire
Mass : C.I. H.D.G. as per IS. 2633
Bolt : M.S. H.D.G. as per IS : 1367

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

Technical Data

Total Weight : 4.5 kgs ±5%
Weight of (1) : 1.6 kg. ±5%
Weight of (2) : 2.2 kg. ±5%
Clamp slipping strength 2.5 kN
Installation Torque 7 kg – M
Mass pull of strength 5 kN
Dia of each strand of
Messenger Cable 19/2.40 mm.
Overall Dia : 12.00 mm.
General Tolerance : ±3%
Vibration Damper Conform
To IS : 9708 (1993)

4R Stock Bridge Type Vibration Damper for ACSR Skunk

4R-Stock-Bridge-Type-Vibration-Damper-for-ACSR-Skunk-conductor-accessories

Technical Data

Clamp and keeper : Alu. alloy G.D.C.
Messenger Cable : High strength galvanised steel stranded wire
Mass : C.I. H.D.G. as per IS. 2633
Bolt : M.S. H.D.G. as per IS : 1367

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

Technical Data

Total Weight : 4.5 kgs ±5%
Weight of (1) : 1.6 kg. ±5%
Weight of (2) : 2.2 kg. ±5%
Clamp slipping strength 2.5 kN
Installation Torque 7 kg – M
Mass pull of strength 5 kN
Dia of each strand of
Messenger Cable 19/2.40 mm.
Overall Dia : 12.00 mm.
General Tolerance : ±3%
Vibration Damper Conform
To IS : 9708 (1993)

Vibration Damper for 7/3.15 mm Earth Wire

-Vibration-Damper-for-7-3.15-mm-Earth-Wire-conductor-accessories

Technical Data

Total Weight : 2.4 kgs ±5%
Weight of (1) : 0.7 kg. ±5%
Weight of (2) : 0.95 kg. ±5%
Clamp slipping strength
2.5 kN before fatigue
2.0 kN after fatigue
Installation Torque 5 kg – M
Mass pull of strength 5 kN
Messenger Cable 19/2.11 mm.
Overall Dia : 10.55 mm.
General Tolerance : ±3%
Vibration Damper Conform to drawing

Resonance Frequency

F1-18±2, F2-24±2
F3-38±2, F4-47±2
UTS of messenger cable – 135 kg.
Lay ratio of standard messenger cable 9 to 11

Sr. No. Desc. Material Surface Treatment Qty.
1 Damper Weight Cast iron IS:210 H.D.G. 1
2 Damper Weight Cast iron IS:210 H.D.G. 1
3 Messenger Cable
Cable (19 strand)
H.T. Steel
(135 kg/mm2)
H.D.G. 1
4 Hook Half Clamp Al  Alloy A-6 IS:617 1
5 Cover Half Clamp Al  Alloy A-6 IS:617 1
6 Plain Washer Mild Steel IS:2016 H.D.G. 1
7 Bolt M12 Mild Steel IS:6639 H.D.G. 1
8 Spring Washer Spring Steel, IS:4072 E.G. 1
9 Sealing Plague Pure Al., 19500/1050, IS:733 2
10 Tapper Sleeve Al. Alloy, A-6 IS:617 2