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PVC sleeving

Order
Amount

 PVC sleeving

 PVC sleeving of electrotechnical purpose, insulating from polyvinylchloride plastic compound of ГОСТ19034-82, (marks of TВ-40, TВ-40А, TВ-40Т, TВ-50, TВ-60) (the TUBE of PVC, cambric)

 Tubes are intended for protection and additional isolation of current carrying elements of various electrotechnical devices working at a pressure 1000 V constant and an alternating current of 50 Hz, in an interval of temperatures from-60 up to 70 degrees of Celsius.

 PVC sleeving, CHARACTERISTICS:

 

The name of a parameter

Unit of measure

ТВ-40

Internal diameter

mm

1,0-20,0

Breaking point at a stretching, not less

МPа

 

1,0-20,0

Test pressure, not less: — in an initial condition — after influence of the raised temperature 48 h (210°С) <20 % — under influence of pressing through loading

kV

 

2 1

 

Durability at a stretching, not less

МPа

 

16,3

 

Electric durability, not less: — in conditions 6h (15-35°С) 45-75 % — in conditions of the lowered temperature 2h (-60°С) in conditions of the raised temperature 48h (105°С) <20 %

МВ/mm

 

15,8

16,0

12,0

 

electroconductivity tubes after influence at 20°С within two hours, sodium hydrate (50 % of-th solution), the concentrated hydrochloric acid (TV — 40), transformer oil

КV/mm

 

15 5 15

 

Warranty period of storage at temperature from a minus 10 up to plus 35°С

Years

12,5

 


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