suspension porcelain Insulators for railway systems or city
electric net , IEC standard
the long rod insulator has bigger creepage distance profile ,
specially designed for railway contact net or city electric bus
contact net work .
1 the insulator caps are made of ductile iron or cast steel ,we
conduct routine magnetic powder test on each piece of caps . we guarantee the inside of cap without any
defects such as air , hole , crack etc. metal fitting surface are
hot galvanized , zinc thickness meet ASTM 135 standard or IEC
2 the insulation parts are made of high aluminum porcelain C120 .
glaze are shinning and free of defect . color can be grey , brown
or white .
3 we use excellent Portland cement code No. 52.5 to assemble
insulation body with related caps . even after years of servicing , the cement still keep good
the long rod insulator used for railway system and city power
the insulators have excellent electrical & machincal
we offer up to 4 years quality guarantee as per tender requirement
or customer's requirement .
The porcelain glaze are hard and shinning , good self-cleaning
advantage and easy for maintenance .
We can design insulators based on customer’s requirement or special