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Main Menu
ABB K.K Control Valve Division
HyCon Anti-Cavitation Trim
1996-01-01 / TMi
Cavitation Phenomenon
Flow
Inlet Pressure
Cavitation
wenku.baidu.com
Outlet Pressure
Vapor Pressure Vena Contractor
Metal Seat Soft Seat
P1
Close
Soft Seat HyCon Trim
HyCon Cage
P1 Open
P1
Plug
Metal Seat Soft Seat
Wire Drawing on Plug Surface
Protection of
Body
Valve Body
HyCon Trim
Seat
Uniform Tightness
Seat
Unbalanced Tightness
Centering and Seating Performance
Plug
Plug
Overlap of HyCon
for HyCon Anti-Cavitation Trim
Main Menu
Cavitation Phenomenon
on the valve plug
Generate of Bubble
Cavitation Phenomenon
on the valve plug
Energy of Cavitation
Crash of Bubble
about 6000-7000 Kg/cm2
Conventional Valve Trim
P2
Vena Contractor
Wide range selection of HyCon Trim
All HyCon Trim Hybrid HyCon Trim
Soft Seat HyCon Trim
Seating Surface of Metal Seat type Valve
Soft Seat HyCon Trim
ANSI B16.104 Leakage Class VI
Plug HyCon Cage
Metal Seat Soft Seat
P1
Close
Soft Seat HyCon Trim
ANSI B16.104 Leakage Class VI
Plug HyCon Cage
Damage=K V6-8
Rapid Damage on the seat surface
Bubble attached on metal surface
Generate of Bubble
P1
Anti-Cavitation Design
P r e s s u r
e Vapor Press.
HyCon
Plug
32 deg. 30 deg.
Seat
Metal
Particle
Seat Leakage Class of Metal Seat Trim Min. Class V...5x10-12 m3/sec/mm/bar Ex. D.P=300bar, Seat Dia.=100mm allowable leakage is 9cc/min
tan 20 x L1 2
Final Velocity=Vo x tan 20 x L2
Bath Tub Stopper Effect
Flow to Open
Flow to Close
Vibration Occur
Centering Performance of Cage Guide Clearance
ABB K.K Control Valve Division
HyCon Anti-Cavitation Trim
1996-01-01 / TMi
Cavitation Phenomenon
Flow
Inlet Pressure
Cavitation
wenku.baidu.com
Outlet Pressure
Vapor Pressure Vena Contractor
Metal Seat Soft Seat
P1
Close
Soft Seat HyCon Trim
HyCon Cage
P1 Open
P1
Plug
Metal Seat Soft Seat
Wire Drawing on Plug Surface
Protection of
Body
Valve Body
HyCon Trim
Seat
Uniform Tightness
Seat
Unbalanced Tightness
Centering and Seating Performance
Plug
Plug
Overlap of HyCon
for HyCon Anti-Cavitation Trim
Main Menu
Cavitation Phenomenon
on the valve plug
Generate of Bubble
Cavitation Phenomenon
on the valve plug
Energy of Cavitation
Crash of Bubble
about 6000-7000 Kg/cm2
Conventional Valve Trim
P2
Vena Contractor
Wide range selection of HyCon Trim
All HyCon Trim Hybrid HyCon Trim
Soft Seat HyCon Trim
Seating Surface of Metal Seat type Valve
Soft Seat HyCon Trim
ANSI B16.104 Leakage Class VI
Plug HyCon Cage
Metal Seat Soft Seat
P1
Close
Soft Seat HyCon Trim
ANSI B16.104 Leakage Class VI
Plug HyCon Cage
Damage=K V6-8
Rapid Damage on the seat surface
Bubble attached on metal surface
Generate of Bubble
P1
Anti-Cavitation Design
P r e s s u r
e Vapor Press.
HyCon
Plug
32 deg. 30 deg.
Seat
Metal
Particle
Seat Leakage Class of Metal Seat Trim Min. Class V...5x10-12 m3/sec/mm/bar Ex. D.P=300bar, Seat Dia.=100mm allowable leakage is 9cc/min
tan 20 x L1 2
Final Velocity=Vo x tan 20 x L2
Bath Tub Stopper Effect
Flow to Open
Flow to Close
Vibration Occur
Centering Performance of Cage Guide Clearance