S t a c k i n g H y d r o s t a t , I S O s i z e 3
S e r i e s S D W D P B - 5 D . . .
2 3 l / m i n , 3 1 5 b a r
1
S 2 Z - 1 8 3 6
I s s u e 0 6 - 9 8
S U B J E C T T O C H A N G E W I T H O U T N O T I C E
H y d r o s t a t s p r i n g a d j u s t a b l e f r o m 5 . . . 1 5 b a r
W i t h i n t e g r a l d a m p i n g o r i f i c e i n Z l i n e
D - 3 0 . 5 5
I n l i n e F u n c t i o n
D i r e c t A c t i n g
W i t h i n t e g r a l s h u t t l e v a l v e b e t w e e n A a n d B
G o o d c o r r o s i o n p r o t e c t i o n , s t a i n l e s s s t e e l a d j u s t i n g s c r e w
I n t e r f a c e t o I S O 4 4 0 1 / C E T O P R 3 5 H s i z e 0 3
N F P A D 0 3 / D I N 2 4 3 4 0 A 6
D I M E N S I O N S
D W D P A - 5 D - 1 0 . . .
S Y M B O L
P T B A
S D W D P B - 5 D - P - M Y - 6 . . .
V a l v e s i d e
S D W D P B -5 D -P -M Y -6 -S 0 5 1 5
P T B
A
1 5 , 7
4 6
4 0 , 4
3 1 7 , 5
2 3
3 2 , 5
ø 5 , 4
T
P
B
A
3 1
m a x . 1 7 4 , 5
1 2 0 m a x . 4 9 , 5
8 33 7
ø 1 2 , 6
5
1 , 3
2 3
5 0
V a l v e s i d e
I S O 4 4 0 1 s i z e 3 i n t e r f a c e
2 7 A / F , t i g h t e n i n g t o r q u e
M a = 2 3 . . . 2 7 [ N m ]
f o r f i t t i n g t h e c a r t r i d g e
5 A / F i n t . h e x . f o r
h y d r o s t a t s p r i n g
a d j u s t m e n t
N a m e p l a t e
1 7 A / F
l o c k
n u t
O P T I O N S
m a x . 3 7 , 5
ø 4 0
A d j u s t e r s t y l e
H
H a n d k n o b
( c a n b e f i t t e d b y u s e r )
4 7
ø 3 2
2 6
2 0
A d j u s t e r s t y l e
Z 4
L o c k a b l e h a n d k n o b t y p e 2 H
c o m p l i e s w i t h V o l k s w a g e n
F a c t o r y S p e c i f i c a t i o n B V 1 . 0 9
( f a c t o r y o p t i o n o n l y )
A d j u s t e r s t y l e
S
( s t a n d a r d )
D E S C R I P T I O N
S e r i e s S D W D P B - 5 D . . s t a c k v a l v e s a r e a p p l i e d a s i n l i n e
h y d r o s t a t s , a d j u s t a b l e f r o m 5 . . . 1 5 b a r , i n h y d r a u l i c c i r c u i t s .
T h e a d j u s t m e n t f e a t u r e p e r m i t s o n - s i t e o p t i m i s a t i o n o f t h e
s y s t e m w i t h o u t t h e n e e d t o r e p l a c e c o m p o n e n t s w h i c h h a v e
d i f f e r e n t f l o w r a n g e s ( e . g . p r o p o r t i o n a l v a l v e s ) .
T h e o r i f i c e w h i c h i s e s s e n t i a l t o e n s u r e o s c i l l a t i o n - f r e e o p e r -
a t i o n i s a l r e a d y i n c o r p o r a t e d i n t h e Z p o r t o f t h e c a r t r i d g e .
T h e i n t e g r a l s h u t t l e v a l v e s i g n a l s t h e h i g h e r o f t h e l o a d
p r e s s u r e s i n A o r B b a c k t o t h e h y d r o s t a t , w i t h t h e r e s u l t
t h a t t h e p r e s s u r e d i f f e r e n c e a c r o s s t h e f l o w c o n t r o l o r i f i c e
r e m a i n s c o n s t a n t .
I n c o n j u n c t i o n w i t h a n o r i f i c e o r p r o p o r t i o n a l v a l v e l o c a t e d i n
t h e d o w n s t r e a m P - t o - A o r P - t o - B l i n e s , t h e o v e r a l l r e s u l t
p r o d u c e s t h e b e n e f i t s o f a 2 - w a y f l o w c o n t r o l f u n c t i o n i n t h e
P l i n e ( s e e t h e a p p l i c a t i o n e x a m p l e o n p a g e 3 ) .
Y
G 1 / 8 "
2 8
Y
Y
3 0 , 5
O p t i o n : w i t h p r e s s u r e l i m i t i n g f o r a c t u a t o r l i n e s
B
A
Z
O p t i o n : w i t h L S s i g n a l p o r t o n t h e m o u n t i n g i n t e r f a c e
1
1/4
Issure: 09.2015
S U B J E C T T O C H A N G E W I T H O U T N O T I C E D - 3 0 . 5 5
1
2
3
4
H y d r o s t a t c a r t r i d g e
S e a l k i t n o . D S - 2 6 7 , c o m p r i s i n g * ) :
I t . Q t y . D e s c r i p t i o n
1
1
1
S C H E M A T I C S E C T I O N
s h o w i n g t h e r e l e v a n t p o r t s
C O M P O N E N T S / S E R V I C E P A R T S
* ) = p a r t o f s e a l k i t n o . D S - 2 6 7
= a v a i l a b l e a s s e r v i c e p a r t
T O O R D E R S E R V I C E P A R T S , S T A T E :
- c o m p l e t e u n i t m o d e l c o d e f r o m t h e n a m e p l a t e ,
i n c l u d i n g t h e d e s i g n n u m b e r
- d a t a s h e e t n u m b e r , i n c l u d i n g i s s u e d a t e
- p a r t i t e m n u m b e r f r o m a b o v e l i s t
- p a r t d e s c r i p t i o n f r o m a b o v e l i s t
- q u a n t i t y r e q u i r e d
6
7
8
9
1 0
S e a l1 * )
O - r i n g1 * )
1 * )
2 * )
ø 1 4 , 0 0 x 2 , 0 0 N 9 0
O - r i n g n o . 0 1 2 ø 9 , 2 5 x 1 , 7 8 N 9 0
B a c k u p r i n g ø 1 8 / 1 5 , 2 x 1 , 2
1 1
4 * ) O - r i n g n o . 0 1 2 ø 9 , 2 5 x 1 , 7 8 N 9 0
O - r i n g n o . 0 2 02 * ) ø 2 1 , 9 5 x 1 , 7 8 N 9 0
1 2
1 3
1 4
S h u t t l e v a l v e
t y p e R W - 2 , 5
ø 2 2 , 1 / 1 6 , 5 x 2 , 5
S t a c k i n g b o d y
5 0 x 4 6 x 1 2 0 t y p e M Y - 0 61
t y p e D W D P A - 5 D - 1 0 . . .
5
1 * ) O - r i n g ø 5 , 5 0 x 1 , 5 0 N 9 0
1 * ) O - r i n g ø 4 , 0 0 x 1 , 5 0 N 9 0
I N S T A L L A T I O N A N D S E R V I C I N G
M U S T B E C A R R I E D O U T W I T H C A R E , A N D B Y Q U A L I F I E D
P E R S O N N E L O N L Y .
A t i n s t a l l a t i o n , b e s u r e t o m o u n t t h e v a l v e w i t h t h e c o r r e c t
f a c e s c o n t a c t i n g t h e a d j a c e n t u n i t s a n d w i t h a l l i n t e r f a c e
c o n n e c t i o n s l i n i n g u p p r o p e r l y .
W h e n c h a n g i n g s e a l s , t h e n e w s e a l s s h o u l d b e t h o r o u g h l y
o i l e d o r g r e a s e d b e f o r e f i t t i n g t h e m t o t h e v a l v e .
U s e t h e c o r r e c t t i g h t e n i n g t o r q u e s w h e n f i t t i n g t h e c a r t r i d g e .
N O T E
- b e f o r e r e m o v i n g t h e c a r t r i d g e , f u l l y d e c o m p r e s s t h e
h y d r o s t a t s p r i n g b y t u r n i n g b a c k t h e a d j u s t i n g s c r e w . I f t h e
h y d r o s t a t s p r i n g i s c o m p r e s s e d w h i l e t h e c a r t r i d g e i s r e m o v e d ,
t h e c a r t r i d g e n e c k w i l l b e p u s h e d o u t o f t h e c a r t r i d g e h e a d .
M A I N C H A R A C T E R I S T I C S
T y p e
D e s i g n
s t a c k i n g i n l i n e h y d r o s t a t
d i r e c t a c t i n g ,
s l i d i n g s p o o l t y p e
M o u n t i n g m e t h o d s t a c k m o u n t i n g
S i z e I S O 4 4 0 1 s i z e 0 3 i n t e r f a c e
n o m i n a l 6 m m
M a s s 1 , 9 5 k g
M o u n t i n g a t t i t u d e u n r e s t r i c t e d
F l o w d i r e c t i o n s e e s y m b o l
O p e r a t i n g p r e s s u r e . . . 3 1 5 b a r i n P , A , B a n d T
H y d r o s t a t s p r i n g a d j u s t a b l e 5 . . . 1 5 b a r
F l u i d s
h y d r a u l i c o i l s H L a n d H L P t o D I N 5 1 5 2 4
o t h e r f l u i d s - c o n t a c t H T F
M i n . f l u i d c l e a n l i n e s s 1 8 / 1 4 t o I S O 4 4 0 6 / C E T O P R P 7 0 H
8 . . . 9 t o N A S 1 6 3 8
F l u i d t e m p e r a t u r e r a n g e - 2 0 ° . . . + 6 0 ° C
V i s c o s i t y r a n g e 1 0 . . . 3 0 0 c S t
F l o w r a t e Q m a x .
. . . 1 0 l / m i n w i t h s p r i n g
,
p = 5 b a r
F l o w r a t e Q m a x . a t t a i n -
a b l e a t t h e a c t u a t o r
. . . 2 3 l / m i n
P E R F O R M A N C E D A T A
O i l v i s c o s i t y 3 3 c S t
2 0
5 0 1 0 0
1 5
1 0
5
1 5 0 2 0 0 2 5 0 3 0 0
,
p p
B -
p
L
[ b a r ]
Q t h r o ' t h r o t t l e [ l / m i n ]
Q -
,
p c h a r a c t e r i s t i c
a t
m a x i m u m
h y d r o s t a t s p r i n g s e t t i n g ( 1 5 b a r )
Q m a x . 2 3 ( l / m i n )
a t t h e a c t u a t o r
2 3
1 2 4 8 5 2 7
3
6
P B A
1
1 0 1 1
1 3
1 4
. . . 2 3 l / m i n w i t h s p r i n g
,
p = 1 5 b a r
3 0
5 0 1 0 0
1 0
2
1 5 0 2 0 0 2 5 0 3 0 0
,
p p
B -
p
L
[ b a r ]
Q t h r o ' t h r o t t l e [ l / m i n ]
Q -
,
p c h a r a c t e r i s t i c
a t
m i n i m u m
h y d r o s t a t s p r i n g s e t t i n g ( 5 b a r )
Q m a x . 1 0 ( l / m i n )
a t t h e t h r o t t l e
4
6
8
1 2
P l u g s c r e w
G 1 / 4 " E D V S T I
P l u g s c r e w
G 1 / 8 " E D V S T I
1 * )
1 * )
2
2/4
S U B J E C T T O C H A N G E W I T H O U T N O T I C E D - 3 0 . 5 5
M O D E L C O D E K E Y
E x .
D W D P B - 5 - P - S
D = p r e s s u r e f u n c t i o n
W = h y d r o s t a t
- 1
D = d i r e c t a c t i n g
P = w i t h c a r t r i d g e v a l v e
A . . . Q =
s t a n d a r d
m o d e l p e r r e l e v a n t d a t a s h e e t
Z . . . R = s p e c i a l f e a t u r e s b y a r r a n g e m e n t
5 = p r e s s u r e c o n t r o l t y p e 5
6 = I S O 4 4 0 1 s i z e 3 i n t e r f a c e , n o m i n a l 6 m m
S = w i t h h e x . s k t . s c r e w a d j u s t e r
( s t a n d a r d )
H = w i t h h a n d k n o b a d j u s t e r
Z = w i t h l o c k a b l e h a n d k n o b a d j u s t e r t y p e Z 4
N i t r i l e s e a l s
( s t a n d a r d )
V = V i t o n s e a l s
S = s p e c i a l s e a l s b y a r r a n g e m e n t
1 . . . 9 = d e s i g n n u m b e r ( o m i t w h e n o r d e r i n g n e w u n i t s )
0 5 1 5
S =
s t a c k i n g v a l v e
S M Y -6-
P = f u n c t i o n i n P
M Y =
s t a c k i n g b o d y , c o d e M Y
0 5 1 5 =
h y d r o s t a t s p r i n g 5 . . . 1 5 b a r ( s t e p l e s s a d j u s t m e n t )
D _
R E L A T E D D A T A S H E E T S
i - 3 1
D I N 2 4 3 4 0 A 6 i n t e r f a c e
D - 2 8 . 5 5
H y d r o s t a t c a r t r i d g e , s e r i e s D W D P A - 5 D - 1 0 . . .
R - 3 2
S h u t t l e v a l v e , s e r i e s R W - 2 , 5
T
A P P L I C A T I O N E X A M P L E
W h e n c o m b i n e d w i t h a d o w n s t r e a m o r i f i c e , t h e i n l i n e h y d r o s t a t p r o -
v i d e s a t w o - w a y f l o w c o n t r o l f u n c t i o n , w i t h i t s a s s o c i a t e d b e n e f i t s .
T h e s e a r e :
- t h e f l o w r a t e s e t b y t h e o r i f i c e r e m a i n s c o n s t a n t e v e n a s t h e l o a d
p r e s s u r e f l u c t u a t e s u p o r d o w n
P B A
Y
A
B
Z
A B
D =
w i t h H T F c a v i t y t y p e D D
( b l a n k ) =
3
3/4
D - 3 0 . 5 5
O p t i o n w i t h p r e s s u r e l i m i t i n g
F u n c t i o n :
B y i n c l u d i n g a p r e s s u r e r e l i e f v a l v e i n t h e c o n t r o l
l i n e Z , t h e p r e s s u r e a t t h e o u t l e t p o r t A o f t h e
c a r t r i d g e w i l l b e l i m i t e d t o t h e r e l i e f s e t t i n g ,
r e g a r d l e s s o f t h e p r e s s u r e a t t h e i n l e t B . A n
a c t u a t o r w h i c h o p e r a t e s a t a l o w p r e s s u r e c a n , i n
t h i s w a y , b e l i m i t e d i n t h e f o r c e i t c a n p r o d u c e
( s i m i l a r t o a p r e s s u r e r e d u c i n g f u n c t i o n ) .
O p t i o n w i t h L S s i g n a l p o r t
F u n c t i o n :
B y c o m b i n i n g s e v e r a l L S l i n e s w i t h t h e h e l p
o f e x t e r n a l c h e c k v a l v e s , t h e h i g h e s t o f t h e
v a r i o u s l o a d p r e s s u r e s i n o n e o r m o r e s t a c k -
i n g a s s e m b l i e s c a n b e f e d b a c k t o t h e L S
p u m p o r b y p a s s h y d r o s t a t .
P T B A
V a l v e s i d e
Y
G 1 / 8 "
B
A
Z
P T B A
V a l v e s i d e
Y
G 1 / 8 "
B
A
Z
L S
P r e s s u r e l i m i t e r
4/4
S u b j e c t t o c h a n g e w i t h o u t n o t i c e
G e r m a n y
T e l . : + 4 9 7 7 4 2 8 5 2 0
F a x : + 4 9 7 7 4 2 7 1 1 6
i n f o . d e @ b u c h e r h y d r a u l i c s . c o m
G r e a t B r i t a i n
T e l . : + 4 4 2 4 7 6 4 4 3 3 5 0
F a x : + 4 4 2 4 7 6 4 4 3 3 5 1
B U C H E R H Y D R A U L I C S
w w w . b u c h e r h y d r a u l i c s . c o m
F r a n c e
T e l . : + 3 3 3 8 9 6 4 2 2 4 4
F a x : + 3 3 3 8 9 6 5 2 8 7 8
i n f o . f r @ b u c h e r h y d r a u l i c s . c o m
U S A
T e l . : + 1 2 6 2 6 0 5 8 2 8 0
F a x : + 1 2 6 2 6 0 5 8 2 7 8
i n f o . w i @ b u c h e r h y d r a u l i c s . c o m
S w i t z e r l a n d
T e l . : + 4 1 3 3 6 7 2 6 1 1 1
F a x : + 4 1 3 3 6 7 2 6 1 0 3
i n f o . c h @ b u c h e r h y d r a u l i c s . c o m
N e t h e r l a n d
T e l . : + 3 1 7 9 3 4 2 6 2 4 4
F a x : + 3 1 7 9 3 4 2 6 2 8 8
C h i n a
T e l . : + 8 6 1 0 6 8 3 1 4 1 0 8
F a x : + 8 6 1 0 6 8 3 1 4 1 2 1
i n f o b j @ b u c h e r h y d r a u l i c s . c o m
I t a l y
T e l . : + 3 9 0 5 2 2 9 2 8 4 1 1
F a x : + 3 9 0 5 2 2 5 1 3 2 1 1
i n f o . i t @ b u c h e r h y d r a u l i c s . c o m
P r o d u c t C e n t e r E l e v a t o r
T e l . : + 4 1 4 1 7 5 7 0 3 3 3
F a x : + 4 1 4 1 7 5 7 0 5 0 0
i n f o . n h @ b u c h e r h y d r a u l i c s . c o m
A u s t r i a
T e l . : + 4 3 6 2 1 6 4 4 9 7
F a x : + 4 3 6 2 1 6 4 4 9 7 4
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4/4
Issure: 09.2015
