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Features
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- The load independent output flow is proportional to the input signal
(lever position).
- The pump pressure always corresponds to the user pressure, +3,6,8
or 12 bar (43, 86, 114 or 172 psi) Dp compensator.
- The built-in pump-unloading valve results in:
- very low power turned into heat;
- minimum loading of the prime mover.
- User speed is precisely controlled under all load conditions.
- Progressive regulating curve; no pressure peaks when switching; sensitive
control even for alternating pressures.
- Constant working speed of differential cylinders at the different
regulating flow to the valve by grinding angle.
- Constant recirculation pressure independent of the number of units.
- Any limiting of flow for every user port.
- Proportional directional control valves also available as:
Hydraulic proportional series MOV and
Electrical proportional series MEV.
Any combination of these control options is possible.
- The sandwich system allows a construction up to 8 control valves.
- Electrical pressure cut off at port A, B or A and B, available on
request.
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| Technical Data |
| Assembly system |
sandwich or subplate design |
| Operating pressure (P,A,B) |
...350 bar (5000 psi) |
Maximum return pressure (T):
- aluminium endcaps
- cast iron endcaps |
15 bar (214 psi)
30 bar (428 psi)
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| Dp compensator |
3; 6; 8 or 12 bar (43; 86; 114 or 172 psi) |
| Pressure setting range |
5...350 bar (72...5000 psi) |
| Flow range (see table 1) |
...800 l/min (...211 USgpm) - with 32 cSt at 40 o C |
| Fluid |
Mineral oil according to DIN 51524/51525 |
| Fluid temperature range |
-35...+80°C (-31°...+176°F) |
| Viscosity range |
2,8...380 cSt, optimal 30 cSt |
| Contamination level max. |
according to NAS 1638 Class 9 or ISO 18/15 |
| Mounting position |
optional |
| Lever, std. |
Stainless steel |
| Size working ports: |
MHV12 : 1/2" BSP (SAE optional)
MHV16 : 3/4" BSP (SAE optional)
MHV20 : 1" BSP (SAE optional)
MHV25 : 1 1/4" BSP (SAE optional)
MHV32 : 1 1/2" BSP (SAE optional)
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