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  Sequence valves with retention  
  Line and board assembly. Models 32, 75 and 125. Sizes: 3/8” and 3/4” NPT and 1” 1/4 BSPT.  
 
 
Counterbalance valves are used for the control, discharge and sequencing within a hydraulic system, induced by a direct of remote pressure increase. They are available in three sizes for line assembly, and three sizes for board assembly.
Each model is manufactured with two pressure ranges: B > 10 - 80 Kg/cm² - F > 15 - 210 Kg/cm².

 
 
- Two kinds of assembly:
Line assembly; three sizes:
VS-LR-32-#-# - 3/8” NPT connection.
VS-LR-75-#-# - 3/4” NPT connection.
VS-LR-125-#-# - 1” 1/4 BSPT connection.
Board assembly; three sizes:
VS-PR-32 -#-# Board Connection 3/8” and 1/2” NPT.
VS-PR-75-#-# Board Connection 3/4” and 1 ” NPT.
VS-PR-125-#-# Board Connection 1” 1/4 and 1" 1/2 BSPT.
- Four types:
Type 1: Balance valve. Internal piloting and drainage.
Type 2: Sequence valve. Internal piloting and external drainage.
Type 3: Sequence valve. External piloting and drainage.
Type 4: Balance valve. External piloting and internal drainage.

 
 
  VS-LR-32-#-# / VS-LR-75-#-# / VS-LR-125-#-# (Line Assembly)  
 
   
HYDRAULIC SCHEME
CODIFICATION
   
MODEL
WEIGHT
(Kg)

E and S CONNECTIONS

Dr and Pp CONNECTIONS
M
CONNECT.
PRESSURE RANGE (Kg/cm²)
FLOW VOL.
(l/min)

REG.
SCREW

VS-LR-32-B-#
3
S Ø 3/8" NPT
S Ø 1/4" NPT
S Ø 1/4" NPT
5 - 70
50

Inlaid hexagon key 5/16"

VS-LR-75-B-#
5,8
S Ø 3/4" NPT
115
Inlaid hexagon key 5/16"
VS-LR-125-B-#
12,8
S Ø 1" 1/4 BSPT
285
Hexagonal headkey 3/4"
VS-LR-32-F-#
3
S Ø 3/8" NPT
80 - 210
50
Inlaid hexagon key 5/16"
VS-LR-75-F-#
5,8
S Ø 3/4" NPT
115
Inlaid hexagon key 5/16"
VS-LR-125-F-#
12,8
S Ø 1" 1/4 BSPT
285
Hexagonal headkey 3/4"
 
SIZE
A
B
C
D
G
F
H
32
178
150
85
73
41
24
54
75
207
176
112
98
59,9
26,5
79
125
278
242
144
108
67,5
27,5
86
 
 
 
 
 
  VS-PR-32-#-# / VS-PR-75-#-# / VS-PR-125-#-# (Board Assembly)  
 
   
HYDRAULIC SCHEME
FIXING:
  Size 32:
4 Whitworth Screws Ø 3/8”x2”3/4.
Size 75:
4 Whitworth Screws Ø 3/8”x3”1/4”.
Size 125:
6 Whitworth Screws Ø 3/8”x4”.
BOARD ASSEMBLY:
  PM-VR-P-32-#-T
PM-VR-P-75-#-T
PM-VR-P-125-#-T
CODIFICATION
   
MODEL
WEIGHT
(Kg)

E and S CONNECTIONS

Dr and Pp CONNECTIONS
M
CONNECT.
PRESSURE RANGE (Kg/cm²)
FLOW VOL.
(l/min)

REG.
SCREW

VS-PR-32-B-#
3,8
Ø 13
Ø 4,75
R Ø 1/4" NPT
5 - 70
50

Inlaid hexagon key 5/16"

VS-PR-75-B-#
6,8
Ø 23
115
Inlaid hexagon key 5/16"
VS-PR-125-B-#
14,8
Ø 28
285
Hexagonal headkey 3/4"
VS-PR-32-F-#
3,8
Ø 13
80 - 210
50
Inlaid hexagon key 5/16"
VS-PR-75-F-#
6,8
Ø 23
115
Inlaid hexagon key 5/16"
VS-PR-125-F-#
14,8
Ø 28
285
Hexagonal headkey 3/4"
 
SIZE
A
B
C
D
Q
F
G
H
I
J
K
L
O
N
32
178
150
84
57
91
36,5
67
43
51
29
-
-
Ø 15
Ø 10,5
75
207
176
102
67
102
40,5
79
60
66,5
38,2
19,7
-
125
278
242
134
89
120
50,8
96,8
84
89
50,8
34,8
42
 
 
 
 
 
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