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Selection of Butterfly Valve |
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Selection of Valve Type against Fluid |
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P |
POOR |
NOT RECOMMENDED |
F |
FAIR |
BETTER CHOICES AVAILABLE |
G |
GOOD |
RECOMMENDED FOR USE IN NORMAL CONDITIONS |
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Ball |
Butterfly |
Gate |
Globe |
Plug |
Swing Check |
Contamination Free |
G |
F |
G |
G |
G |
P |
Corrosive Fluids |
G |
P |
F-G |
F |
P-G |
P |
Cryogenic Fluids |
G |
P |
P |
G |
P |
P |
Gases |
G |
G |
G |
G |
G |
G |
High Flow |
G |
G |
G |
G |
G |
G |
High Pressure Drop |
P |
P |
F |
G |
F |
P |
High Pressure |
G |
P |
P |
G |
P |
P |
High Temperature |
G |
G |
G |
G |
P-G |
G |
Leak Tight |
G |
P |
G |
G |
G |
P |
Light Weight |
G |
G |
F |
P |
G |
G |
Liquids |
G |
G |
G |
G |
G |
G |
Low Pressure Drop |
G |
G |
G |
P |
G |
G |
Low Cost |
G |
F-G |
G |
F-G |
G |
G |
Low Flow Control |
G |
G |
P |
G |
G |
G |
Physical Size |
G |
G |
P |
P |
G |
G |
Rapid Opening |
G |
G |
P |
F-P |
G |
G |
Seat Erosion Resistance |
F |
P |
P |
G |
F |
P |
Slurries |
F-G |
P |
P |
P |
P |
P |
Steam Service |
G |
P |
P-F |
G |
P |
P |
Throttling |
P |
P |
P |
G |
P |
P |
Vibration Free |
F |
P |
P |
G |
G |
P |
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