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roemheld液壓閥，roemheld上海一級(jí)代理
德國(guó)roemheld液壓閥用于打開(kāi)和關(guān)閉的液壓閥
手動(dòng)操作
ND4和ND6
zui大。操作壓力500巴
流量控制閥
閥門(mén)來(lái)控制流量
手動(dòng)操作
ND4，ND6和ND12
zui大。工作壓力350/500 bar
卸壓閥
閥門(mén)超過(guò)可調(diào)壓力后打開(kāi)
（彈簧式安全閥）
手動(dòng)可調(diào)
調(diào)節(jié)范圍0-500巴
zui大。操作壓力500巴
減壓閥
閥門(mén)，將可變輸入壓力調(diào)整到較低的恒定輸出壓力
功能：具有彈簧力
輸出壓力可手動(dòng)調(diào)節(jié)
有無(wú)泄漏油口
zui大。操作壓力500巴
先導(dǎo)式止回閥
閥門(mén)保持壓力
由控制口Z加壓控制
連接螺紋或歧管連接與O形圈
zui大。操作壓力500巴
閥組合
*安裝的閥門(mén)單元通過(guò)鉆孔通道連接
zui大。工作壓力250/500 bar
方向控制閥
閥門(mén)來(lái)控制液壓管路
2/2方向，3/2方向，4/2方向，4/3方向
手動(dòng)，機(jī)械或電動(dòng)操作
ND4，ND6和ND10
zui大。操作壓力315/500 bar
zui大。流速8至130 l / min
順序閥
液壓順序控制閥
壓力或時(shí)間控制
手動(dòng)可調(diào)
zui大。流量8升/分鐘
zui大。工作壓力250/500 bar
roemheld液壓閥，roemheld上海一級(jí)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液壓閥，roemheld上海一級(jí)代理