From Pumpsolutions

Seal

...Viton Carbon/Ceramic - 1 3/4" - Type 21

The Viton Carbon/Ceramic Seal is a rubber seal that is resistant to most oils, acids and chemicals. The ceramicseat is relatively hard material and can withstand mild abrasives. Silican Carbide should be used for servere abrasive applications. Contact factory for liquid compatibility with viton. Max Temperature 240 deg F.

For use with Scot Pumps 20 - 30 HP at 3500 RPM; JM Frame
MODEL #'s

55 & 55F 56 & 56F

For use with Scot Pumps 20 - 75 HP at 3500 RPM; JM Frame
MODEL #'s

57 59

For use with Scot Pumps 10 - 25 HP at 3500 RPM; JM Frame
MODEL #'s

62

For use with Scot Pumps 15 - 50 HP at 3500 RPM; JP Frame
MODEL #'s

102 103

For use with Scot Pumps 30 - 100 HP at 3500 RPM; JP Frame
For use with Scot Pumps 5 - 20 HP at 1750 RPM; JP Frame
MODEL #'s

63

For use with Scot Pumps 40 - 100 HP at 3500 RPM; JP Frame
MODEL #'s

104 105

For use with Scot Pumps 7.5 - 15 HP at 1750 RPM; JP Frame
MODEL #'s

103 104 105

For use with Scot Pumps 7.5 - 30 HP at 1750 RPM; JP Frame
MODEL #'s

93 94 95 96

For use with Scot Pumps 10 - 30 HP at 1750 RPM; JP Frame
MODEL #'s

267

For use with Scot Pumps 30 - 50 HP at 1750 RPM; JP Frame
MODEL #'s

97