18.10
53
Ordering code
0644.0
NOT COMPENSATED COUNTERBALANCE VALVE
• Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 l/min
• Max working pressure. . . . . . . . . . . . . . . . . . . . 410 bar
• Compensation. . . . . . . . . . . . . . . . Not compensated
• Cartridge tightening torque. . . . . . . . . . . . . . . . . .60 Nm
• Seal lock nut tightening torque. . . . . . . . . . . . 15-20 Nm
• Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,7 Kg
• Tamper proof cap . . . . . . . . . . . . . . . .cod. 4029250280
• Cavity . . . . . . . . . . . . . . . . . . . . . . M340000 page 234
Note:
-Setting: 1,3 times the maximum load induced pressure.
-The back pressure (2) may affect the relief function
(for circuits with back pressure use 0.6441 o 0.6442).
0 6 4 4 0 0 0 0
5 5:1
PILOT RATIO
Setting range
[bar]
Pressure Increase
[bar/turn]
Standard setting
4 l/min [bar]
SPRINGS
34
350
230 - 410
0 20 40 60 80 100 120
Pressure [bar]
35
30
25
20
15
10
5
0
Cartridge M27x1,5
4
2
1
3
1 2
2 1
Flow [l/min]
27
x1.5
67,3 max54
36
5
24,5
23
79,4
133,6
1
2
3
M
Hex.5
Hex.17
Hex.32
