哈威比例減壓閥，德國(guó)哈威比例減壓閥

The proportional pressure reducing valves type KFB is used
for a stepless remote control of hydraulic actuators, which
respond proportional to variations of the control pressur
e (range 1 to 30 bar). They are ideally suited for the
remote control of directional spool valves type PSL and PSV acc.
 to D 7700 ++. Two directly actuated pressure reducing
■ 帶行程監(jiān)控的截止式換向閥： D 7300 H
First section: With ports P, R, A and B
Centre sections: Max. 8 sections in total
(ports A and B)
End section: Concludes the valve bank
(ports A and B)
End section: Concludes the valve bank
(ports P, R, A and B)
配套閥組：
■ VB 型閥組： 頁(yè)
配套元件插頭：
■ 帶發(fā)光二極管： D 7163
■ 帶自耦變壓電路： D 7813, D 7833
同見(jiàn)“特殊應(yīng)用領(lǐng)域的液壓元件”章節(jié)：
– 防爆設(shè)備用的元件（符合 ATEX）
– 元件壓力至 700 bar
相關(guān)技術(shù)數(shù)據(jù)表：
■ 截止式換向閥： D 7300
■ 帶標(biāo)準(zhǔn)連接圖的截止式換向閥
(CETOP3, NG 6)： D 7300 N
valves, one for each switching direction, are combined
in one housing. They supply a control pressure at one of
the two outlet ports (to the hydraulic actuators),
which is dependent of the movement direction and p
roportional to the elevation of
the hand lever but independent of the inlet pressure.
While one of the outlet ports is pressurized the other
port is depressurized to the tank.
The proportional pressure

 

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