Table of Contents
Advertisement
36/56
Operation
Interpolation of
intermediate values from
the diagram
Example 1 with
already existing
characteristic curve
Example 2 with
interpolated
characteristic curve
Bosch Rexroth AG, DBD...1X/..E, RE 25402-B/10.21
1.
At the axis referred to as p
2.
From the marked point, draw a straight line within the interpolation area to the
zero-crossing on the axis referred to as q
and/or 17 l/min for interpolation area II).
3.
Mark the system flow to be secured at the axis referred to as q
4.
Read off the maximum admissible counter pressure for this value using the line at
the axis referred to as p
Flow of the system / accumulator to be secured: q
Safety valve set to: p
= 500 bar
A
Read off the maximum admissible counter pressure p
diagram (see arrows, characteristic curve 7).
Flow of the system / accumulator to be secured: q
Safety valve set to: p
= 150 bar
A
Value to be marked at the axis referred to as p
Read off the maximum admissible counter pressure p
diagram (see arrows, dashed characteristic curve).
, mark 1/10 of the value of response pressure p
T
(here 10 /min for interpolation area I
Vmax
drawn before.
T
Vmax
Vmax
: 1/10 ·150 bar = 15 bar,
T
.
Vmax
= 5 l/min
of approx. 36 bar from the
T
= 5 l/min
of approx. 8 bar from the
T
.
A
Advertisement
Table of Contents
