• date_rangePosted On :   May 01' 2008
• location_cityCity :   San Francisco
• languageCountry :   USA
• content_pasteEnquiry No. :   8050158

Request for Quote-Silicone Insulator
Insulator, line dead-end, silicone, clevis-tongue fittings, 15kv rating,
minimum - 145kv positive impulse critical flashover, shall be
IEEE 1024 class CI-1 type, except as follows: ANSI 70 light gray,
leakage distance 15-inch, section length 12.5-inch, tension strength rating

Minimum - 15,000 pound, the outer housing shall be injected
directly onto the resin reinforced fiberglass rod shall be made of
100 percent poly-dimethyl-siloxane, before the addition of aluminum
tri-hydrate, other filers, UV inhibitors, and processing aids, the

Insulating material shall be smooth and free of any cuts, blemishes,
abnormalities or deformities, a extruded aluminum end fitting shall
be compressed onto the fiberglass rod before insulating material has
been injected on the rod, the completed unit shall be able to pass a
water wheel test method #1 of CEA (LWIWG)

Or method #I of ANSI C29 with most recent revision for polymer
insulators, continuously energized at 13,439 volts for 1,000 hours
with no rest period, subject to a completely wetted salt water spray
made up of 0.029 ounce of NACL per gallon. The cycle speed shall
be 60 +/- 10 rotations/hour. Each insulator shall be sprayed

With the saline solution at the bottom of the rotating cycle. Spray
nozzles and flow rate shall be adjusted so that each insulator is

Completely wetted during each cycle. After the test there shall
be no tracking, and no erosion to the core and no shed or housing

Punctures. Packaging: 24 units each shall be packaged in
Wood crates (48-inch x 86-inch x 34-inch), stackable to 2 (two)
high and each crate shall be capable to with-stand a top surface loading

Of 2,000 pounds.