International standard IEC 61284:1997 “Overhead lines – Requirements and tests for fittings” has defined requirements and test methods of electrical fittings (line hardware) for overhead lines. The complete IEC standard includes English and French language version, it’s too long and a little difficult for quick explore. Here we quote the content of IEC 61284 for […]
Overhead line fittings
Metallic fittings for high voltage overhead lines, including insulator ball & socket fittings, insulator tongue & clevis fittings, OHTL clamps fittings, flange fittings, space damper, preformed guy grips and etc.
After end fittings of HV insulators have been crimped onto the core by crimping machine, the entire electrical insulators are supposed to be able to bear certain specific mechanical load as they will be used on overhead lines to support conductors and other line fittings. Here let’s see how international standard IEC 61109 defines such […]
End fitting of railway insulator of Indian market The end fittings of silicone composite insulator for 25KV railway overhead traction have specific requirements. The end fittings shall be made of spheroidal graphite cast iron to grade: 400/15 of IS:1865-1991 or forged steel fittings to BS-970(Part-II). Approval of the type test of the insulator implies employment […]
Contune International supply metal accessories for overhead lines,including transmission line,power distribution line and substation line. Our line accessories are mainly conform with IEC standard or Australia Standard. Material of our line fittings are steel ,stainless steel and aluminum or copper. For the steel items,they are all hot dip galvanized for anti-erosion. The oh-line accessories supplied […]