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Tel +86 371 86097078
Tel +86 371 86097078
Spool insulator can be divided into spool insulator ANSI standard type and non-standard spool insulator ANSI standard type. Spool insulator is introduced through the standards particulars.
Spool insulator ANSI standard type drawings:
Spool insulator ANSI standard type standards particulars / specifications:
|
Fig No.
|
1
|
2
|
3
|
4
|
5
|
||
|
ANSI Class
|
53-1
|
53-2
|
53-3
|
53-4
|
53-5
|
||
|
Transverse Strength/Ib(KN)
|
2000(89)
|
3000(13.3)
|
4000(17.8)
|
4500(20)
|
6000(26.7)
|
||
|
Average Flashover Voltage
|
Low-Freq. Dry/KV
|
20
|
25
|
25
|
25
|
35
|
|
|
Low-Freq. Wet/KV
|
Vertical
|
8
|
12
|
12
|
12
|
18
|
|
|
Horizontal
|
10
|
15
|
15
|
15
|
25
|
||
|
Net Weight/Ib(kg)
|
0.48(0.22)
|
1.2(0.55)
|
1.2(0.55)
|
2.2(1.0)
|
2.6(1.2)
|
||
In mechanical test, glaze chips or partial porcelain cracks should be allowed.
Hardware for these insulators is available upon request.
Standard Specification: ANSI C29.3
Non-standard spool insulator ANSI standard type drawings:
Non-standard spool insulator ANSI standard type specifications:
|
Fig. No.
|
1
|
2
|
|
|
Low frequency flashover-KV
|
20
|
25
|
|
|
Low frequency wet flashover
|
Vertical-KV
|
10
|
12
|
|
Horizontal-KV
|
9
|
15
|
|
|
Transverse strength –KN
|
9.5
|
13.5
|
|
|
Weight(approx)-kg
|
0.4
|
0.4
|
|
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