R044221301/德国力士乐四位五通换向阀[产品打印页面]

R044221301/德国力士乐四位五通换向阀
Optional, if it can be ensured that no air can collect upstream
of the valve. Otherwise, we recommend that the
valve be mounted in a suspended position.
–20 to +120 (–40 to +110 for fan drives)
10 cycles at 5 to 2000 to 5 Hz with a logarithmic frequency
change rate of 1 Oct./min, 5 to 57 Hz,
amplitude 1.5 mm (p-p), 57 to 2000 Hz, amplitude 10 g
20 to 2000 Hz, amplitude 0.05 g2/Hz
(10 g RMS/30 g peak), testing time 30 min
Half sine 15 g / 11 ms; 3 x in pos., 3 x in neg. direction
(6 individual shocks in total)
Half sine 25 g / 6 ms; 1000 x in pos., 1000 x in neg. direction
(2000 individual shocks in total)
■规格6：安装面按ISO 4401
■规格10：安装面按 ISO 5781-AG-06-2-A
■用于限制系统压力的阀
■DBEBE型的集成电控器（OBE）
■通过电磁铁电枢位置进行调节
Valves of the KBVS type are pilot-operated proportional pressure
relief valves of poppet design and used for limiting the
pressure in hydraulic systems. They basically consist of a
screwed-in proportional pilot valve (1) and the main valve (2).
These valves can be used for infinitely adusting the pressure
to be limited in dependence upon the command value. At
command value 0 or in the event of a power failure, the maximum
pressure is set (fail-safe characteristics).
The electronics controls the solenoid coil with electric current
in dependence upon the command value, which causes the
actual pressure adjustment in main port ① via pilot valve (1)
(pmax = command value 0; pmin = command value max.)
 

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