Valve application table

Valve Type Principal service function

Full open-flow resistance

Throttling application

Closure speed

Allowable frequency of operation

Bubble-tight shutoff

Gate Isolation

Low

Unacceptable

Slow

Low

Poor

Globe Flow regulation

High

Good

Moderate

Moderate

Good

Angle Flow regulation

Medium-high

Good

Moderate

Moderate

Good

Ball Isolation

Low

Fair

Fast

High

Good

Butterfly Isolation

Low

Fair to good

Fast

High

Good

Swing check Flow-reversal control

Low

N/A

Fast

Low

Poor

Lift check Flow-reversal control

High

N/A

Moderate

Moderate

Fair

Nonslam check Flow-reversal control

Low

N/A

Moderate

Moderate

Fair

Eccentric plug Flow regulation/isolation

Low

Good to excellent

Fast

Moderate

Good