1. Size and technical data of High-Voltage 21kV
Composite polymeic suspension rod
insulators TYPE:FXB-21/70CTRated voltage(kV)Rated
mechanical load(kN)Structure
height(mm)HInsulatingdistance(mm)h Min nominal creepage
distance(mm)Diameterof shed1min power frequency wet withstand
voltage (kV) Full wave lightning impulse withstand
voltage(peak value)2170300±15140530127/10292190
2.Materials of
High-Voltage 21kV Composite polymeic suspension rod
insulators1) Silicon Rubber for sheds/housing.2) Glass-fiber
reinforced epoxy resin rod (ECR type) for core.3) Hot dip
galvanized cast steel for metal fittings.4) 5,000-hour aging test
from STRI Sweden & Prototype Test & Type Test & Factory Test (
Routine and Sampling Test ).5) IEC / ANSI / GB
standard. 3.Company advantages(The world's only one
insulators maker who can produce all material as blow by
ourselves)1) We produce epoxy resin fiberglass rod.2) We produce
HTV silicone rubber.3)We produce HDG metal fittings.4) Famous and
top brand in China.5) Superior quality and competitive price.6)
Almost 20 years experience with insulators, surge arresters and
fuse cutouts.7) Exported to more than 35 countries.8) Guarantee: we
can give 15 years wanrantee period after shipment.9) ISO9001 and
ISO14001 and third party support and assurance from
Envertec-Europe. /* January 22, 2024 19:08:37
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