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Aerodynamic Tempered Glass Insulators

Aerodynamic tempered glass insulators are composed of iron caps, tempered glass parts and steel feet, which are glued together with cement adhesive.

Keywords: Electrical

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glass insulator

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Aerodynamic Tempered Glass Insulators

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　　Aerodynamic tempered glass insulators are composed of iron caps, tempered glass parts and steel feet, which are glued together with cement adhesive.
　　All of this product adopts cylindrical head structure, which is characterized by small head size. Light weight, good strength and large creepage distance. It can save metal material and reduce circuit cost. In order to meet the needs of live work, the domestic traditional structural shape is adopted on the brim.
　　Aerodynamic tempered glass insulator formation:
　　Some enhancers are located upstream and some downstream of the promoter, so the effect of the insulator does not depend on the relative position of the insulator to the promoter. Therefore, the reason for the directionality of the insulator effect has not really been clarified. Two loci have been found to affect insulator function in a transactivation manner. The nucleoprotein encoded by the gene S2J(Hw) recognizes the insulator, and the insulator has the insulating effect only after being combined with it. When this gene is mutated, despite the insertion of an insulator in the y locus, the insulation is lost and y is expressed in all tissues. Another locus is mod(mdg 4). After the gene is mutated, its effect is just opposite to that of Su(Hw), that is, these mutants all enhance the insulation effect, so that the insulation effect of the insulator no longer has directionality and is deeply affected. Expansion, that is, blocking the effect of the enhancer on both the upstream and downstream sides. There is an explanation that first Su(Hw) combines with insulator DNA to make the insulator have insulating effect. The combination of mod(mdg4) with Su(Hw) makes the insulator lose its insulating effect; the mutant mod(mdg4) cannot combine with Su(Hw), so the insulator enhances its insulating effect.

Main technical parameter table:

Product number			Nominal diameter D mm	Structure height H mm	Nominal creepage distance L mm	Connection type	Mechanical damage load kN	Tensile load test one by one kN	Power frequency wet withstand voltage kV	Lightning impulse withstand voltage kV	Impulse breakdown voltage PU	Power frequency breakdown voltage kV	Radio interference µV	Visible corona foot/cap kV	Power frequency arc test	Monolithic net weight kg
General code	LXY series	FC series	Nominal diameter D mm	Structure height H mm	Nominal creepage distance L mm	Connection type	Mechanical damage load kN	Tensile load test one by one kN	Power frequency wet withstand voltage kV	Lightning impulse withstand voltage kV	Impulse breakdown voltage PU	Power frequency breakdown voltage kV	Radio interference µV	Visible corona foot/cap kV	Power frequency arc test	Monolithic net weight kg
U70BS U70B/127	LXY2-70	FC70/127	255	127	320	16	70	35	40	100	2.8	130	50	18/22	20kA	3.77
U70BL U70B/146	LXY1-70	FC70/146	255	146	320	16	70	35	40	100	2.8	130	50	18/22	20kA	3.78
U100BS U100B/127		FC100/127	255	127	320	16	100	50	40	100	2.8	130	50	18/22	20kA	3.9
U100BL U100B/146	LXY-100	FC100/146	255	146	320	16	100	50	40	100	2.8	130	50	18/22	20kA	4
U120B/127		FC120/127	255	127	320	16	120	60	40	100	2.8	130	50	18/22	20kA	3.9
U120B U120B/146	LXY-120	FC120/146	255	146	320	16	120	60	40	100	2.8	130	50	18/22	20kA	4.2
U160BS U160B/146	LXY4-160	FC160/146	280	146	400	20	160	80	45	125	2.8	130	50	18/22	20kA	6
U160B U160BM U160B/155	LXY3-160	FC160/155	280	155	400	20	160	80	45	125	2.8	130	50	18/22	20kA	6.2
U160BL U160B/170	LXY-160	FC160/170	280	170	400	20	160	80	45	125	2.8	130	50	18/22	20kA	6.5
U210B U210B/170	LXY3-210	FC210/170	280	170	400	20	210	105	45	105	2.8	130	50	18/22	20kA	6.7
U240B/170	LXY-240	FC240/170	280	170	400	twenty four	240	120	45	105	2.8	130	50	18/22	20kA	6.8
U300B U300B/195	LXY-300	FC300/195	320	195	485	twenty four	300	150	50	155	2.8	130	50	18/22	20kA	10.6
U420(400)B U420B/205	LXY-420	FC420/205	360	205	550	28	400	210	55	165	2.8	130	50	18/22	20kA	14
U550B U550B/240	LXY-550	FC550/240	380	240	600	32	530	275	55	175	2.8	130	50	18/22	20kA	21.5

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