2017-09-09 20:14:00

1) We offer high quality line post insulators according to IEC, ANSI, AU standards or  customers' specifications.

2) We supply different type of line post insulators with clamp top or tie top .
3) The line post insulators can be made up to 145kV , 20KN in both horizontal or vertical type.

3)The line post insulator color can be brown, light gray ,white or blue etc.

5) Both short or long stud are available if needed.

6) We supplid high quantity ANSI 57 Serials products to all over the world , for example :

ANSI 57-1 , ANSI 57-2, ANSI 57-3,ANSI 57-4 , ANSI 57-5 , ANSI 57-6,

ANSI 57-11, ANSI 57-12,ANSI 57-13,ANSI 57-14,ANSI 57-15,ANSI 57-16

ANSI 57-21, ANSI 57-22,ANSI 57-23,ANSI 57-24,ANSI 57-25,ANSI 57-26

ANSI 57-31, ANSI 57-32,ANSI 57-33,ANSI 57-34,ANSI 57-35,ANSI 57-36

Related long bolt or short bolt available .

Post   insualtor designation	Lower   frequency flashover voltage		Critical impulse   flashover voltage     Pos.(kV)	Radio   Influence Voltage		Minimum nominal   creepage distance     (Inch)	Dry arc distance     (Inch)	Reference height   of  insulator     (Inch)	Cantilever   strength     (lb)
	Dry     (kV)	Wet     (kV)		Test   Voltage     (kV)	Max   RIV2     (μV)
57-1	70	50	120	15	100	14	6-1/2	9	2800
57-2	100	70	160	22	100	22	9-1/2	12	2800
57-3	120	95	200	30	200	29	12-1/4	15	2800
57-4	140	110	230	44	200	40	14-1/2	17	2800
57-5	160	130	265	44	200	45	17-1/4	20	2800
57-6	180	150	300	44	200	53	19-1/4	23-1/2	2800
57-11	70	50	120	15	100	14	6-1/2	10	2800
57-12	100	70	160	22	100	22	9-1/2	13	2800
57-13	125	95	200	30	200	29	12-1/4	16	2800
57-14	140	110	230	44	200	40	14-1/2	18-1/2	2800
57-15	160	130	265	44	200	45	17-1/4	21-1/2	2800
57-16	180	150	300	44	200	53	19-1/4	24-1/2	2800
57-21	70	50	120	15	100	14	6-1/2	11	2800
57-22	100	70	160	22	100	22	9-1/2	14	2800
57-23	125	95	200	30	200	29	12-1/4	16.5	2800
57-24	140	110	230	44	200	40	14-1/2	20	2800
57-25	160	130	265	44	200	45	17-1/4	22-1/2	2800
57-26	180	150	300	44	200	53	19-1/4	25	2800
57-31	70	50	120	15	100	14	6-1/2	11	2800
57-32	100	70	160	22	100	22	9-1/2	14	2800
57-33	120	95	200	30	200	29	12-1/4	16-1/2	2800
57-34	140	110	230	44	200	40	14-1/2	20	2800
57-35	160	130	265	44	200	45	17-1/4	22-1/2	2800
57-36	180	150	300	44	200	53	19-1/4	25	2800

Download Files:
DALIAN HIVOLT ANSI standard porcelain line post insulator catalog.pdf