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7/23/2019 Valves Pics
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G l o b e V a l v e C r o s s - S e c t i o n
.
V al v e D i s c a n d S t e m
V A L V E D I S C
V A L V E S T E M
H A N D W H E E L
B O N N E T
V A L V E S E A T
S T U F F I N GB O X
V A L V E S T E M
L O C K I N G N U T
V A L V E D I S C

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F U L L Y O P E NF U L L Y O P E N
S H U TS H U T
P A R T O P E NP A R T O P E N
( T H R O T T L E D )( T H R O T T L E D )

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N O N - R I S I N G S T E M G A T E VA LV EN O N - R I S I N G S T E M G A T E VA LV E
H A N D W H E E L S E C U R E DT O S T E M B Y N U T
S T U F F I N G B O X
B O N N E T ( W I T H F E M A L ER I G H T - H A N D T H R E A D )
S T E M ( W I T H R I G H T -H A N D T H R E A D )
G A T E S E A T I N G S( D O U B L E S I D E D )
G A T E
T H R E A D E D P I P EC O N N E C T I O N
V A L V E B O D Y
G L A N D
G L A N D N U T
VALVE
OPEN
VALVE
CLOSED
C O L L A R O N S T E M
T O P R E V E N T U PO R D O W NM O V E M E N T
L E F T H A N DT H R E A D
N U T
O P E NC L O S E
VALVE
OPEN
VALVE
CLOSED

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S T E M
B U S H I N G
H A N D W H E E LF I X E D T O S T E MB U S H I N G
C O L L A R S O NB U S H I N G P R E V E N T S
U P O R D O W NM O V E M E N T O F
H A N D W H E E LR O T AT I O N O F T H R E A DI N T H E S T E M
B U S H I N G C A U S E S I TT O M O V E V E R T I C A L L Y
L E F T H A N DT H R E A D
H A N D W H E E LS E C U R I N G N U T
Y O K E
H A N D W H E E L
Y O K E
S T U F F I N GB O X
B O N N E T
B O D Y
G A T E
S E A T
S T E M
P A C K I N G

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R I S I N G S T E M H A N D W H E E A S S E M ! "
S # i n $ C % e c & V al v e
V A L V E C O V E R
P I V O T P I N
P I V O T A R M
V A L V E S E A T F A C E
V A LV E D I S CA S S E M B L Y
V A L V E B O D Y
A N G L E P L U G
F L O W

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S # i n $ C % e c & V a l v e ' ( e r a t i o n
S D N R V al v e i n C l o s e d ) o s i t i o n
VA LV E O P E N – N O F L O WVA LV E O P E N – N O F L O W
N O F L O W F U L L F L O W
R E D U C E D F L O W W R O N G F L O W
V A LV E I N S H U T P O S I T I O N( U N D E R G R A V I T Y )
V A LV E I N O P E N P O S I T I O N
V A LV E I N S H U T P O S I T I O N( U N D E R P R E S S U R E )
V A LV E I N P A R T- O P E N P O S I T I O N

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S D N R V al v e S t e m ' ( e n * D i s c C l o s e d
VA LV E O P E N – F U L L F L O WVA LV E O P E N – F U L L F L O W
S D N R S t e m ' ( e n * D i s c ' ( e n
VA LV E O P E N – D I S C C L O S E D A G A I N S T B A C K - F L O WVA LV E O P E N – D I S C C L O S E D A G A I N S T B A C K - F L O W

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S D N R S t o ( ( i n $ ! a c & - + l o #
D I R E C T A C T I N G R E I E + VA V E
S
E
A
T
B A L L O RP O P P E T
S P R I N G
O - R I N GS E A L
L O C K N U T
T H R E A D
R E T U R N T OO I L T A N K
F R O M P U M PD I S C H A R G E
R E L I E FV A L V E
I N L E T P o r t
O I L T OS Y S T E M
A D J U S T M E N TK N O B

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VAVE C ' S E D VAVE ' ) E N
) l , $ V al v e
V al v e - # a / 0
V AL VE P L U G A N D B O D YV AL V E P L U G A N D B O D Y
P L U G R O T AT E ST O S T A R T ,D I V E R T O RS T O P F L O W
T A P E R E DP L U G
S T E M
P O R T
H A N D L EG L A N D F O L L O W E R
S T E M
P A C K I N G
V A LV E B O N N E T
V A L V E B O D YV A L V EP L U G
V A L V EP O R T
B A L L
S T E M
H A N D L E
F L O W C A N B EI N E I T H E RD I R E C T I O N

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! a l l V al v e
! , t t e r 1 l / V al v e i n ' ( e n ) o s i t i o n
V A L V E B O D Y
H A N D L E
O P E N / C L O S E DI N D I C A T O R
V A L V E D I S C
N E O P R E N EI N S E R T

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! , t t e r 1 l / V al v e i n C l o s e d ) o s i t i o n
+ , e l T a n & S % , t ' 1 1 V al v e
V A L V E S T E M
N U T
D I S C
S E A T
S T E MM O V E M E N T O NO P E R A T I O N
H Y D R A U L I CP R E S S U R E
R E L E A S EP I S T O N
L A T C HM O V E M E N T
R E S E T H A N D L E( T O O P E N V A LV E )

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+ , e l T a n & S % , t ' 1 1 V al v e