roemheld液压阀，roemheld上海一级代理
德国roemheld液压阀用于打开和关闭的液压阀
手动操作
ND4和ND6
zui大。操作压力500巴
流量控制阀
阀门来控制流量
手动操作
ND4，ND6和ND12
zui大。工作压力350/500 bar
卸压阀
阀门超过可调压力后打开
（弹簧式安全阀）
手动可调
调节范围0-500巴
zui大。操作压力500巴
减压阀
阀门，将可变输入压力调整到较低的恒定输出压力
功能：具有弹簧力
输出压力可手动调节
有无泄漏油口
zui大。操作压力500巴
先导式止回阀
阀门保持压力
由控制口Z加压控制
连接螺纹或歧管连接与O形圈
zui大。操作压力500巴
阀组合
*安装的阀门单元通过钻孔通道连接
zui大。工作压力250/500 bar
方向控制阀
阀门来控制液压管路
2/2方向，3/2方向，4/2方向，4/3方向
手动，机械或电动操作
ND4，ND6和ND10
zui大。操作压力315/500 bar
zui大。流速8至130 l / min
顺序阀
液压顺序控制阀
压力或时间控制
手动可调
zui大。流量8升/分钟
zui大。工作压力250/500 bar
roemheld液压阀，roemheld上海一级代理

Hydraulic valves for opening and closing  manually operated ND4 and ND6  max. operating pressure 500 bar
	Flow control valves	Valves to control the flow rate manually operated ND4, ND6 and ND12 max. operating pressure 350 / 500 bar
	Pressure relief valves	Valves, which open after exceeding an adjustable pressure (spring-loaded safety valves) manually adjustable adjustment range 0-500 bar max. operating pressure 500 bar
	Pressure reducing valves	Valves, which adjust an variable input pressure to a lower constant output pressure Function: with spring force output pressure manually adjustable with or without leakage oil port max. operating pressure 500 bar
	Pilot operated check valves	Valves to keep the pressure pilot controlled by pressurising control port Z connecting thread or manifold connection with O-ring max. operating pressure 500 bar
	Valve combinations	Compley mounted valve units which are connected through drilled channels max. operating pressure 250 / 500 bar
	Directional control valves	Valves to control hydraulic lines 2/2 directions, 3/2 directions, 4/2 directions, 4/3 directions manually, mechanically or electrically operated ND4, ND6 and ND10 max. operating pressure 315 / 500 bar max. flow rate 8 up to 130 l/min
	Sequence valves	Valves for hydraulique sequence controls pressure or time dependent control manually adjustable max. flow rate 8 l/min max. operating pressure 250 / 500 bar

roemheld液压阀，roemheld上海一级代理