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roemheld液壓閥，roemheld上海一級代理
德國roemheld液壓閥用于打開和關閉的液壓閥
手動操作
ND4和ND6
zui大。操作壓力500巴
流量控制閥
閥門來控制流量
手動操作
ND4，ND6和ND12
zui大。工作壓力350/500 bar
卸壓閥
閥門超過可調壓力后打開
（彈簧式安全閥）
手動可調
調節范圍0-500巴
zui大。操作壓力500巴
減壓閥
閥門，將可變輸入壓力調整到較低的恒定輸出壓力
功能：具有彈簧力
輸出壓力可手動調節
有無泄漏油口
zui大。操作壓力500巴
先導式止回閥
閥門保持壓力
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
*安裝的閥門單元通過鉆孔通道連接
zui大。工作壓力250/500 bar
方向控制閥
閥門來控制液壓管路
2/2方向，3/2方向，4/2方向，4/3方向
手動，機械或電動操作
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
壓力或時間控制
手動可調
zui大。流量8升/分鐘
zui大。工作壓力250/500 bar
roemheld液壓閥，roemheld上海一級代理
| Hydraulic valves for opening and closing manually operated ND4 and ND6 max. operating pressure 500 bar | ||
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 | Flow control valves | Valves to control the flow rate manually operated ND4, ND6 and ND12 max. operating pressure 350 / 500 bar |
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 | 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 |
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 | 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 |
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 | 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 |
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 | Valve combinations | Compley mounted valve units which are connected through drilled channels max. operating pressure 250 / 500 bar |
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 | 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 |
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 | 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上海一級代理
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