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Two Pump ''High-Low'' Unloading Valve
Use and operation:
This valve is used in a 2 parallel-working pumps circuit in order to release the excess of the higher flow pump to the tank when this gets the required pressure setting. Since this moment and on the actuator works with the lower flow pumps at higher pressure, consuming less energy.
Applications:
Connect BP to the higher flow pump, AP to the lower flow pump, T to the tank, M to the eventual manometer and U as for necessity.
This valve is used in a 2 parallel-working pumps circuit in order to release the excess of the higher flow pump to the tank when this gets the required pressure setting. Since this moment and on the actuator works with the lower flow pumps at higher pressure, consuming less energy.
Applications:
Connect BP to the higher flow pump, AP to the lower flow pump, T to the tank, M to the eventual manometer and U as for necessity.
Technical specification
|
Specification |
3/8” |
1/2” |
3/4” |
|
|
Max. flow (L/min) |
AP |
15 |
25 |
30 |
|
BP |
30 |
45 |
80 |
|
|
T |
40 |
65 |
100 |
|
|
Max pressure (Bar) |
350 |
|||
|
Standard |
AP |
20-80 |
||
|
Springs |
BP |
50-350 |
||