力士乐比例换向阀(11)

力士乐 比例换向阀

Characteristic curves size 25

(measured with control spools E, W6-, EA, W6A as well as HLP46, ϑoil = 40 °C ± 5 °C)

4000100200300500

54321

8000100200300400500600700

800700600

500

470

54321

50257510015010050

20025001

234150100

50

200

250

0∆p = valve pressure differential according to DIN 24311 (inlet pressure p P minus load pressure p L minus return flow pressure p T )

Transition function with stepped electric input signals

1∆p = 10 bar constant 2∆p = 20 bar constant 3∆p = 30 bar constant 4∆p = 50 bar constant 5∆p = 100 bar constant

Ordering code 220: Flow Current in mA →

F l o w i n l /m i n →

S t r o k e i n % →

Time in ms →

Time in ms →1∆p = 10 bar constant 2∆p = 20 bar constant 3∆p = 30 bar constant 4∆p = 50 bar constant 5∆p = 100 bar constant

Ordering code 325: Flow Current in mA →

F l o w i n l /m i n →

Change of input signal [%]

10 → 25 → 020 → 50 → 030 → 75 → 04

0 → 100 → 0

Measured at pilot pressure p ST = 50 bar