|
The used for suspend the contact wire on the messenger wire
The main parts
Single dropper
It is used for suspending single CW in auto-tension system
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NOS/N
|
Item
|
Unit
|
Index
|
|
1
|
Sliding load between CW and MW
|
kN
|
≥ 1
|
|
2
|
load between dropper wire and compression tube
|
kN
|
≥ 3.9
|
Double wire dropper
It is used for suspending double CW in auto-tension system.
|
NOS/N
|
Item
|
Unit
|
Index
|
|
1
|
Sliding load between CW and MW
|
kN
|
≥ 1
|
|
2
|
Sliding load between dropper wire and compression tube
|
kN
|
≥ 3.9
|
|
