control-valves().pdf
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: . 1. Control Valves2. Throttling3. Tight Shut off
4. Valve Body5. Actuator
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1. Stem2. Plug3. Seat4. Actuator5. Terminology6. Body7. Screwed threads
8. Flanges9. Welded end
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bonnet.
1. Trim
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1. Yoke2. Actuator
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(Fail Safe) .
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1. Limits of Travel2. Shut down
3. Spring Loaded4. Normally Open
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1. Normally Close2. Fail Close3. Air to Open4. Fail Open
5. Air to Close6. Criteria
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1. Slam Shut
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1. Double- Ported
2. Tight Shut- off3. Wear
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1. Linear
2. Quick Opening3. Equal Percentage
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(T.F.E)Nitrile . °
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1. Rotary Shaft2. Throttling
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. Vee
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1. Ball Valve2. Bore
3. Shut down4. Counteract
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° .
1. Rotary Eccentric Plug2. Lever
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1. On- Off
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1. Throttling Action2. Quick Opening3. Linear4. Modified Linear
5. Equal Percentage6. Modified Parabolic
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% .
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1. Self- Actuated
2. Regulators3. relief valves
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1. Compromise2. Crevices
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. Vee- PortPort guid
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Vee
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1. Cage Trim Valves2. Unobstructed
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1. Windows
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1. Intrinsically Safe2. Single Acting
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( Psi) , bar( - Psi) , - bar.
1. Air to Close2. Fail- Safe
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. ( Psi) bar.
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(S/ D) . .
. S/ D
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. . On- Off
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1. Shut Down2. Spring Opposed
3. Reservoir4. accumulator
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: • • • • .
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Close
. Close
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1. Hand Wheel2. By- pass valve
3. Top mounted4. Side mounted
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♦ .♦ .♦
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1. Split Range2. booster
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1. booster
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), bar psi.(
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1. Cam
2. Spring Range3. Exhaust port
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• • • • •
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1. Accessories2. Limit Switches3. Solenoid Valves4. Transducers5. Lock up Valves6. Capacity Tanks7. Top mounted
8. Side mounted9. Rules of thumb
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. MooreFoxboroTaylorBailey
K & M .
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1. Turbulence2. Drilled & Tapped Bosses
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1. Viscous
2. Solid- bearing fluids3. Time lag
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) Fisher(
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: • • • • • •
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1. Solenoid Valves2. On- Off Switching
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. A
B . B
A .
1. Energize
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) Automatic Switch(
) Bellows- Valvair IBEC(
1. Pilot Operated
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) Automatic Switch(
) Automatic Switch(
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. ) Automatic Switch(
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1. Lockup
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1. Fisher Controls Co.
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1. Capacity Tank
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1. Booster Relays2. Regulators
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4-1- 4-2- 4-3-
5- 5-1- 5-2- 5-3-
6- 6-1-
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9-5- 9-6- 9-7- 9-8- )( 9-9-
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Control Valves
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Control Valves
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(Common Course)
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