Spool schematics – BRAND Hydraulics TS DIRECTIONAL CONTROL VALVES User Manual
Page 3

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SPOOL SCHEMATICS:
T
P
A
B
T a n d e m C e n te r (T ) - P o w e r s c y lin d e r o r m o to r in
b o th d ir e c tio n s . P u m p u n lo a d s t o ta n k w h e n
s p o o l is in n e u tr a l. C y lin d e r o r m o to r b lo c k e d
w h e n s p o o l in n e u tra l.
O p e n C e n te r ( O ) - A ll o f th e p o r ts a re c o n n e c te d
to ta n k w h e n th e s p o o l is in n e u tra l. A llo w s
c y lin d e r to m o v e o r m o t o r to ro ta t e w h e n s p o o l is
in n e u tra l
T a n d e m T h re e W a y (T 3 ) - P o w e r s th e c y lin d e r in
o n e d ire c tio n . P u m p u n lo a d s to ta n k w h e n s p o o l
is in n e u tra l, o r w h e n s p o o l is b e in g r e v e rs e d .
C y lin d e r is b lo c k e d w h e n s p o o l is in n e u tra l. P o r t
" B " is p lu g g e d . S e c o n d s p o o l o n ly .
B
A
P
T
B
A
P
T
F lo a t (K ) - S a m e a s T a n d e m s p o o l in s ta n d a r d
th r e e p o s itio n s . D e te n te d F o u rth p o s itio n a llo w s
c y lin d e r to m o v e o r m o t o r to ro ta t e w h e n s p o o l is
d e te n te d .
T
P
A
B