INSULATOR , SILICONE RUBBER ; DEAD - END ; 28 KILO - VO

2026-11-03

1 , 1 , 500 EACH , NAICS 423610 Matl Code 4090537 EA INSULATOR , SILICONE , LINE DEAD - END 28 - KILO - VOLTS RATING , 28 - KILO - VOLT ; POSITIVE IMPLUSE CIRTICAL FLASH - OVER , SHALL BE AMERICAN NATIONAL STANDARDS INSTITUTE ( ANSI ) C29 . 13 CLASS DS - 28 EXCEPT AS FOLLOWS : AMERICAN NATIONAL STANDARDS INSTITUTE ( ANSI ); 225KV POSITIVE IMPULSE CRITICAL FLASH - OVER ; LEAKAGE DISTANCE : 23 . 2 - INCHES ; SECTION LENGTH : 17 . 9 - INCHES +- 1 INCH ; TENSION STRENGTH RATING : 20 , 000 POUNDS ; AND A TORSIONAL STRENGTH MINIMUM RATING OF 60 FOOT - POUNDS . ALL 100 - PERCENT OF THE RESIN REINFORCED FIBERGLASS CORE RODS SHALL BE SUBJECTED TO A DIELECTRIC STRENGTH TEST EQUIVALENT TO 100 KILO - VOLTS PER LINEAL FOOT OF THE ROD AT THREE AXIAL POSITIONS 120 DEGREES APART PRIOR TO INJECTION MOLDING OF THE INSULATOR OUTER RUBBER HOUSING . THE OUTER HOUSING , INCLUDING SHEATH AND SHEDS , SHALL BE INJECTED AS ONE PIECE DIRECTLY ONTO THE RESIN REINFORCED FIBERGLASS CORE ROD , AND SHALL BE MADE OF 100 - PERCENT POLYDIMETHYL - SILOXANE , BEFORE THE ADDITION OF ALUMINUM TRI - HYDRATE , OTHER FILERS , ULTRA - VIOLET ( UV INHIBITORS , AND PROCESSING AIDS . ATTACHMENT OF END FITTINGS ONTO THE FIBERGLASS CORE ROD PRIOR TO THE INJECTION MOLDING IS NOT ALLOWED . THE INSULATING MATERIAL SHALL BE SMOOTH AND FREE OF ANY CUTS , BLEMISHES , ABNORMALITIES OR DEFORMITIES . EXTRUDED ALUMINUM END FITTINGS SHALL MEET THE REQUIREMENTS OF AMERICAN SOCIETY FOR TESTING MATERIALS ( ASTM ) B 308 FOR ALUMINUM - ALLOY 6061 - T6 , SHALL BE COMPRESSED ONTO THE FIBERGLASS CORE ROD AFTER INSULATING MATERIAL HAS BEEN INJECTED ONTO THE ROD . THE COMPLETED UNIT SHALL BE ABLE TO PASS A TRACKING WHEEL TEST FOR POLYMER INSULATORS , CONTINUOUSLY ENERGIZED AT 889 VOLTS PER INCH OF LEAKAGE DISTANCE FOR 1 , 000 HOURS WITH NO REST , USING TRACKING WHEEL NUMBER 1 SUBJECT TO A COMPLETELY WETTED SALTWATER SPRAY MADE UP OF 0 . 029 OUNCES OF NACL PER GALLON , SPRAYED AT THE RATE OF ONCE PER EACH ONE MINUTE REVOLUTION . AFTER THE TEST THERE SHALL BE NO TRACKING , NO EROSION TO THE CORE , AND NO SHED OR HOUSING PUNCTURE . THE UNIT SHALL THEN BE CAPABLE OF SUCCESSFULLY PSSING A STEEP FRONT - OF - WAVE FLASH - OVER TEST FOLLOWED BY A POWER FREQUENCY VOLTAGE TEST . THE COMPLETED INSULATOR SHALL BE ABLE TO WITHSTAND HIGH PRESSURE WATER WASHING WITHOUT DAMAGE USING AT LEAST A 1 , 000 POUNDSPER SQUARE INCH ( PSI ) PRESSURE PUMP DELIVERING A MINIMUM 900 PER SQUARE INCH ( PSI ) HIGH PRESSURE WATER WASHING WITH THE WATER NOZZLE POSITIONED NO MORE THAN ONE FOOT FROM THE INSULATOR SURFACE . PACKAGING : 24 UNITS EACH SHALL BE PACKAGED IN WOOD CRATES , STACKABLE TO 3 ( THREE ) HIGH AND EACH CRATE SHALL BE CAPABLE OF WITHSTANDING A TOP SURFACE LOADING OF 2 , 000 POUNDS . " K - LINE " # KL28ASCT BIDDER TO STATE MANUFACTURER AND PART NO . QUOTING ON :

California

2026-03-27