Up: Sediver
Sediver Catalog 1970
23 of 136
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Annealed Glass High voltage pin type insulators
HT 21
SEA COAST TYPE |
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| |
mm |
in |
| Overall Height |
Dimen. |
H |
165 |
6 |
½ |
| Overall Diameter |
Dimen. |
D |
180 |
7 |
1/8 |
| |
Dimen. |
D' |
155 |
6 |
1/8 |
| Dia. of side Groove |
Dimen. |
G |
16 |
|
5/8 |
| Dia. of top Groove |
20 |
|
13/16 |
| Dia. of hole |
Dimen. |
d |
34 |
1 |
5/16 |
| Dry Flashover |
kV 80 |
| Wet Flashover |
kV 70 |
| Puncture Voltage in oil |
kV 125 |
| Leakage Distance |
350 |
13 |
¾ |
| Min. Height of Pin |
195 |
7 |
5/8 |
| Mechanical Strength |
kg 920 |
lb 2.030 |
| Nett Weight |
kg 2,200 |
lb 4,60 |
Standard
Export
Packing |
No in crate |
18 |
| Volume |
m³ |
0,121 |
| Gross Weight |
kg |
50 |
The hole of these insulators shows corrugations to allow a tight
grip when the insulators are to be sealed directly onto steel pins with
Modelling Plaster or Cement mixture.
This insulator can be supplied ready-fitted with plastic or brass thimbles
threaded as per Standards for screwing directly onto steel spindles.
Tests: in accordance with French Standard C 66-232 and C 66-230 or latest
revision thereof and I.E.C. Publication No. 274/1968.
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