Ceramic Post Insulator
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Price:
Negotiable
- minimum:
- Total supply:
-
Delivery term:
The date of payment from buyers deliver within days
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seat:
Hunan
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Validity to:
Long-term effective
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Last update:
2020-10-27 05:10
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Browse the number:
139
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- Contactaixin:
yangdong123(Mr.)
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Email:
telephone:
phone:
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Arrea:
Hunan
Address:Yangdong Economics Technology Area, Liling City, Hunan Province, China
- Website:
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Line post insulator/ porcelain insulator/ ceramic insulator/57-5
Product name: Station Post insulator
Material: Alumina and silica porcelain
Application: Electricity transmission and transformation
Line post insulators are used with long spindle and short spindle on high voltage overhead transmission and distribution lines.
Advantages
The main materials are aluminium and silica for their high dielectric properties and great mechanical performance;
Metal fittings are all made from ductile iron or malleable iron, and all fittings are hot-galvanized to get zinc layer;
CLD offers reasonable prices through improving efficiency and lean manufacturing.
Technical Parameters
Type |
57-1 |
57-2 |
57-3 |
57-4 |
57-5 |
|
Creepage distance (min) mm |
356 |
559 |
737 |
1016 |
1143 |
|
Drying arcing distance mm |
165 |
241 |
311 |
368 |
438 |
|
Cantilever strength KN |
12.5 |
12.5 |
12.5 |
12.5 |
12.5 |
|
Power frequency flashover voltage |
Dry KV |
70 |
100 |
125 |
140 |
160 |
Wet KV |
50 |
70 |
95 |
110 |
130 |
|
Critical impulse flashover voltage |
positive KV |
120 |
160 |
200 |
230 |
265 |
negative KV |
155 |
205 |
260 |
340 |
380 |
|
Radio interference voltage |
Test voltage to ground |
15 |
22 |
30 |
44 |
44 |
Max. RIV at 1 MHZ |
100 |
100 |
200 |
200 |
200 |
|
Net weight kg |
5.2 |
9 |
11 |
18 |
18 |
|
Applicable standard |
ANSI |
ANSI |
ANSI |
ANSI |
ANSI |
|
Providing
57-1, 57-2, 57-3, 57-4, 57-5, 57-11, 57-12, 57-13, 57-14, 57-15, 57-21, 57-22, 57-23,57-24, 57-25, 57-31, 57-32, 57-33, 57-34, 57-35, ANSI 57-2L-1, R11 ET 150N, R11EH350L-870, R11EH-350, R11EH-650, R12.5EH350, 35KV PIN POST, 25KV PIN POST
FAQ
Q: Which certificate do you have?
A: ISO9001, ISO14001and ISO45001 quality management system certification and CO ,FE, ....etc
Q: Do you have the test and audit service?
A: Yes, we have audit service , and sample\routine\type test reports.
Q: What's is your shipping service?
A: We can provide services for vessel booking, goods consolidation, customs declaration, shipping documents preparation and delivery bulk at the shipping port.
Q: Which shipping way can you provide?
A: We can provide shipping by sea, by air and by express.
Q: What's your after-sale service?
A: Our product quality warranty period is 5 year. Any quality problem will be solved to customer satisfactions.
http://www.yddc.com/
