TM 5-810-15
Table 8-2. Valve Types.
Valve Type
Application
Fluid
Globe
Throttling and flow regulation service, control valves
Steam, water, air gas, oil
Gate
Isolating nonthrottling service
Steam, water, air, gas suitable for high temperature
and pressure
Butterfly
Isolating service, intermittent throttling, limited con-
Low pressure and temperature water and other fluids
trol valve application
Plug
Isolating service, intermittent throttling
Natural gas, fuel oil and other viscous fluids
Ball
Isolating service, intermittent throttling
Water, air, gas--low pressure applications
Check
Allows flow in one direction only, pump discharge pip-
Steam, water, air, gas, oil
ing
Diaphragm
Provide flow control and leaktight closure
Corrosive, abrasive and solids in suspension
Pinch
Isolating service for large amounts of solids in suspen-
Low pressure and temperature, noncorrosive fluids
sion
Needle
Volume control valve used in small instrument, gage
Water, air, gas
and meter lines
Relief or safety
Prevents excessive overpressure in process and piping
Steam, water, air, gas system
8-9
Previous Page
