Quality busbar ANSI 57-11 57-12 57-13 57-14 57-15 57-16 57-25 57-26 High Voltage Line ceramic Porcelain station Post Insulator
Producing many kinds of Line Insulators(POST INSULATOR), Substation & Power System Insulators. With features of good insulation performance, excellent weatherability, high heat resistance, easy to be installed and etc. POST INSULATOR included 57-1,57-2,57-3,57-4 and etc.
MAIN DIMENSIONS AND STANDARD PARTICULARS
| Class | Low-frequency Flashover Voltage | Positive Impulse Flashover Voltage | Radio-interferenc Voltage | Creepage Distance | Dry Arcing Distance | Height | Bending Strength | Standard Dia Of Insulator | Standard threaded size of the middle hole | ||
| Dry(kv) | Wet(kv) | kv | Test Voltgae(kv) | MaxRIV2 μ V | Inch | Inch | Inch | Pound | Inch | Inch | |
| Colligation type on plumb top | |||||||||||
| 57-1 | 70 | 50 | 120 | 15 | 100 | 14 | 6.5 | 9 | 2800 | 5.5 | 3/4 |
| 57-2 | 100 | 70 | 160 | 22 | 100 | 22 | 9.5 | 12 | 2800 | 6 | 3/4 |
| 57-3 | 125 | 95 | 200 | 30 | 200 | 29 | 12.25 | 15 | 2800 | 6.5 | 3/4 |
| 57-4 | 140 | 110 | 230 | 44 | 200 | 40 | 14.5 | 17 | 2800 | 7 | 3/4 |
| 57-5 | 160 | 130 | 265 | 44 | 200 | 45 | 17.25 | 20 | 2800 | 7.5 | 3/4 |
| 57-6 | 180 | 150 | 300 | 44 | 200 | 53 | 19.25 | 23.5 | 2800 | 8 | 7/4 |
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2. How can you control your quality?
For each production processing, we have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
5. What's the payment term that u can accept?
T/T or L/C
6. Are u the factory or trading company?
We are factory who was founded on 2002's with 61.58 million(Chinese Yuan)registered capital.
7. Can we visit your company?
Yes, for sure, you are welcome to visit our company.
8. Do you supply samples?
Yes, we would like to send the samples for your to check the quality.
Please feel free to contact us if you have any questions if you are interested.
ATTN: MS. LISA PAN
TEL: +86 799 7889368
MOBILE: +86 166 0799 9988
QQ: 471364220
