Highly Viscous Fluids

(over 500 S.S.U.)

C

75

Oil

(225 S.S.U. to 500 S.S.U.)

D

40-45

Water and Light Oils

(30 to 225 S.S.U.)

E

10

Vapor and Low Viscosity Fluids (under 30 S.S.U.)

F

7

Air or other Gases

G

2-5

Pulsating Gas

HX

1

Extreme Gas Pulsation

HXX

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