S p o o l c o n t r o l :
S t y l e
F
S p r i n g c e n t r e d
S t y l e
R
d e t e n t e d
S e r i e s W H H . . .
4 0 l / m i n , 3 1 5 b a r
W 1 Z - 2 4 2
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
W - 5 0
d
L e v e r o p e r a t e d d i r e c t i o n a l v a l v e N G 6
W i t h I S O 4 4 0 1 / C E T O P R P 3 5 H s i z e 3
N F P A D 0 3 , D I N 2 4 3 4 0 A 6 i n t e r f a c e
D E S C R I P T I O N
M a n i f o l d m o u n t i n g h a n d - l e v e r o p e r a t e d s p o o l
v a l v e .
T h e l e v e r m e c h a n i s m e n t e r s t h e v a l v e e n d - c a p
t h r o u g h e n v i r o n m e n t a l s e a l s , a n d a c t s d i r e c t l y
o n t h e s p o o l .
E i t h e r s p r i n g - c e n t r i n g o r m e c h a n i c a l d e t e n t s
a r e a v a i l a b l e a s s p o o l c o n t r o l o p t i o n s .
D I M E N S I O N S
L e v e r c a n b e
s c r e w e d i n
v e r t i c a l l y o r
h o r i z o n t a l l y
4 m o u n t i n g s c r e w s M 5 x 4 5
a r e d e l i v e r e d w i t h t h e v a l v e .
T i g h t e n i n g t o r q u e 4 . . . 6 N m
F o r s u b - p l a t e
o p t i o n s
s e e s e c t i o n G . . .
4 O - R i n g N r . 0 1 2
ø 9 , 2 5 x 1 , 7 8
I S O 4 4 0 1 s i z e 3 i n t e r f a c e
P u l l P u s h
S p r i n g c e n t r e d o r d e t e n t e d
A B
P T
0
I
I I
I
0
W H H - 4 3 - D - 6 . . . A
0
I
I
0
I I
A B
P T
W H H - 4 2 - A - 6 . . . A S
A B
P T
I I
I
0
I
0
I I
W H H - 4 3 - G - 6 . . . A
A B
P T
W H H - 4 3 - H - 6 . . . A
I I
I
0
I
0
I I
W H H - 4 3 - J - 6 . . . A
P T
A B
I I
I
0
I
0
I I
1
3
4
5
6
I
0
W H H - 4 2 - A D - 6 . . . A S
A B
P T
0
I
7
A B
P T
I
0
W H H - 4 2 - A G - 6 . . . A S
8
A B
P T
W H H - 4 2 - A H - 6 . . . A S
I
0
9
W H H - 4 2 - A J - 6 . . . A S
P T
A B
I
0
1 0
0
I
0
I
0
I
S Y M B O L S
I s s u e 0 6 - 0 3
1 / 2
Issure: 09.2015
M O D E L C O D E K E Y
D i r e c t i o n a l c o n t r o l v a l v e
E x . W H H 4 2- A D- 6- F- A S _ 1-
H a n d - l e v e r o p e r a t e d
4 2
4 3
A , A D , A G , A H , A J
D , G , H , J
6
F
R
A
S
B l a n k = N i t r i l s e a l s
( s t a n d a r d )
V
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 ( c o n t a c t H T F )
=
=
=
=
=
=
=
=
=
=
4 w a y , 2 p o s i t i o n
4 w a y , 3 p o s i t i o n
I S O 4 4 0 1 s i z e 0 3 i n t e r f a c e
S p r i n g c e n t r e d
D e t e n t e d
L e v e r a t A e n d
L e v e r a r r a n g e d f o r P u s h a n d R e t u r n
V i t o n - s e a l s
4 / 2 v a l v e s ( s e e s y m b o l s )
4 / 3 v a l v e s ( s e e s y m b o l s )
1 . . . 9 = T e c h n i c a l r e l e a s e n u m b e r ( s h o w n o n n a m e p l a t e o n l y )
4 / 2 v a l v e s o n l y
P R I N C I P A L 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
M o u n t i n g m e t h o d
S i z e
M a s s
M o u n t i n g a t t i t u d e
F l o w d i r e c t i o n
F l u i d s
M i n . f l u i d c l e a n l i n e s s
F l u i d t e m p e r a t u r e r a n g e
V i s c o s i t y r a n g e
F l o w r a t e Q m a x .
O p e r a t i n g p r e s s u r e
4 / 2 a n d 4 / 3 s p o o l v a l v e
h a n d - l e v e r o p e r a t e d
m a n i f o l d m o u n t i n g
n o m i n a l s i z e 6 m m
I S O 4 4 0 1 s i z e 3 i n t e r f a c e
1 , 5 k g
u n r e s t r i c t e d
s e e s y m b o l 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
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
- 2 0 ° C . . . + 6 0 ° C
1 0 . . . 5 0 0 c S t
4 0 l / m i n
. . . 3 1 5 b a r i n P , A a n d B
P r e s s u r e i n T . . . 2 1 0 b a r
P E R F O R M A N C E C H A R A C T E R I S T I C S
O i l v i s c o s i t y 3 3 c S t
5
1 0
1 5
2 0
2 5
5 1 0 1 5 2 0 2 5 3 0 3 5 4 0
Q ( l / m i n )
,
p ( b a r )
5 0
1 0 0
1 5 0
2 0 0
2 5 0
5 1 0 1 5 2 0 2 5 3 0 3 5
L e a k a g e p e r s p o o l l a n d ( c m 3 / m i n )
p ( b a r )
3 0 0
3 5 0
,
p - Q c h a r a c t e r i s t i c s I n t e r n a l L e a k a g e ( M e a n v a l u e s )
S p o o l t y p e s H u n d J
A T / B T
S p o o l t y p e s H u n d J
P A / P B / P T
S p o o l t y p e s A , D u n d G
P A / P B
A T / B T
P L E A S E N O T E w i t h r e g a r d t o s p r i n g - c e n t r e d v a l v e s :
I n a p p l i c a t i o n s w i t h n o n - s y m m e t r i c a l f l o w p a t h s r e d u c -
t i o n o f f l o w b y s o m e e x t e r n a l m e a n s m a y b e n e c e s s a r y
b e f o r e t h e c o n t r o l s p r i n g c a n c e n t r e t h e s p o o l .
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 W - 5 0
2 / 2
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
U K
T e l . : + 4 4 2 4 7 6 3 5 3 5 6 1
F a x : + 4 4 2 4 7 6 3 5 3 5 7 2
i n f o . u k @ b u c h e r h y d r a u l i c s . c o m
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 s
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
i n f o . n l @ b u c h e r h y d r a u l i c s . c o m
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 H y d )
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
i n f o . a t @ b u c h e r h y d r a u l i c s . c o m
info.ch@bucherhydraulics.com www.bucherhydraulics.com
© 2015 by Bucher Hydraulics AG Frutigen, CH-3714 Frutigen
All rights reserved.
Data is provided for the purpose of product description only, and must not be construed as warranted characteristics in the legal sense. The
information does not relieve users from the duty of conducting their own evaluations and tests. Because the products are subject to continual
improvement, we reserve the right to amend the product specifications contained in this catalogue.
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