Bosch VEI-Series User Manual download pdf (Page 6)

EDBZ-VEI RE 18300-54/07.12

6/8

Bosch Rexroth Oil Control S.p.A.

2 1

0 5 10 15 20 25 l/min

Δ bar

0 1 2 3 4 5 6 6.6 gpm

Δ psi

261

200

150

100

0 5 10 15 20 25 l/min

bar

350

300

250

200

150

100

0 1 2 3 4 5 6 6.6 gpm

psi

5076

4000

3000

2000

1000

bar

0 1 2 3 4 5 6 l/min

0 0.3 0.6 0.9 1.2 1.6 gpm

psi

900

750

600

450

300

150

bar

0 1 2 3 4 5 6 l/min

0 0.3 0.6 0.9 1.2 1.6 gpm

psi

900

750

600

450

300

150

PRESSURE-Δp

FLOW-Q

PRESSURE-p

FLOW-Q

PRESSURE-p

FLOW-Q

PRESSURE-p

FLOW-Q

Characteristic curves

Measured with hydraulic fluid ISO-VG32 at 45° ± 5° C

[113° ± 9° F]

; ambient temperature 20° C

[68° F]

SPOOL VARIANT

Curve No.

B>T P>A

X301 1 2

The performance curves are measured with flow going across and

coming back, like P>A and B>T, with symmetrical flow areas.

In case of special circuit connections, the performance limits can

change.

Performances limits

SPOOL VARIANT Curve No.

X401 1

Lowest pressure setting curve for secondary valves

Secondary valve setting Curve No.

50-210 bar

[700-2950 psi]

100-310 bar

[1400-4500 psi]

25-50 bar

[350-700 psi]

Minimum flow for efficiency of LS control

1 2 3 4 5 6 7 8

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Bosch VEI-Series User Manual Page 6

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