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D-990

For Secondary Power Circuits and voltage lines.

A well designed rugged insulator for low voltage applications.

Smooth threads allow for easy trouble-free installation. Ample size insures adequate mechanical strength and long life, even under extreme service conditions.

Hemingray D-990 photo
Hemingray D-990 drawing Dry Flash-over _ _ _ 35,000 Volts
Wet Flash-over _ _ _ 10,000 Volts
Diameter of Groove _ _ _ _ 3/4 in.
Weight each _ _ _ _ _ _ _ _ 12 oz.
Quantity per Carton _ _ _ _ _ 50
Weight per Carton _ _ _ _ _ 44 lbs.
Weight per 1,000 packed _ _ 88 lbs.

    High dielectric strength -- carefully built of the new tough Hemingray Glass -- thoroughly annealed by a new and special process.

 
 
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