VOITH液压阀DK55.1-16-250P-300K技术参数
技术数据
一般
阀类型:先导活塞阀
安装:4× M6×30 DIN912
接口连接:块式安装(block mounting)
环境温度:-5 至 +50 °C
安装位置:可任意安装位置
阀质量(Masse Ventil):0.8 kg
液压
工作压力范围:20–60;45–80;80–120;120–175;175–250;250–315 bar
切换滞后(切换迟滞):5%;10%;15% 或 20%
液压油温度:-10 至 +70 °C
粘度范围:10 至 300 mm2/s(cSt)
最大流量:90 NW12;180 NW16 l/min
结构与功能
蓄能器充装阀为先导活塞式阀。该阀用于具有定量泵的系统,控制蓄能器的充装过程。
当蓄能器充满并达到系统压力时,阀将把泵流量切换到旁通(P→T)。当系统因用流而压力下降时,阀检测到压力差并关闭旁通,允许蓄能器重新充装。可选的压力差(切换滞后)为 5%、10%、15% 或 20%。
用于块式安装的蓄能器充装阀可作为直接安装到歧管的套件供应。本数据表含腔孔的制造尺寸。
优点
优化的能耗,降低液压系统热量产生
低旁通压力带来节能效果
固定切换滞后,启动程序简单
通过压力预卸实现平顺且精确的切换
结构简单,坚固可靠
选项
电气放电
完整的蓄能器充装单元
Technical Data
General
Type of valve:piloted piston valve
Mounting:4x M6x30 DIN912
Connection of ports:block mounting
Ambient temperature:-5 to +50 °C
Mounting positions:mountable in any position
Masse Ventil:0.8 kg
Hydraulic
Operation pressure range: 20-60; 45-80; 80-120;120-175; 175-250; 250-315 bar
Switching hysteresis:5; 10; 15 or 20 %
Hydraulic oil temperature:-10 to +70 °C
Viscosity range:10 to 300 mm2/s
Max. rate of flow:90 NW12; 180 NW16 l/min
Design and Function
Accumulator charging valves are piloted piston valves. The valve controls the hydraulic accumulator charging process, for systems with fixed displacement pumps.
After the accumulator has been charged and system pressure is reached, the valve then switches the pump flow into bypass mode (P to T). When the pressure falls because functions are demanding flow, the valve will sense the difference and will close the bypass to allow the accumulator to recharge. Pressure differences available include: 5%, 10%, 15% and 20%.
The accumulator charging valve for block mounting can be supplied as kit for the direct mounting on manifolds. Manufacturing dimensions for the hole cavity are included on this data sheet.
Advantages
optimised power economy and reduced heat emission from the hydraulic system
energy saving due to low bypass pressure
fixed switching hysteresis, simple start up procedure
soft and exact switching over due to pressure pre-relieve
robust und reliable through simple design
Options
electrical discharge
complete accumulator charging units
VOITH液压阀其他常用型号:
VOITH DK55.1-16-250P-300K
VOITH DK55.0-6-250P-391K
VOITH DK55.0-6-250P-3215K
VOITH DK55.1-6-80P-391K
VOITH DK55.1-6-315P-3252S
VOITH DK55.1-6-250P-391K
VOITH DK55.1-612P-3207S
VOITH VALVE NEW + ORIGINAL+ ONE YEAR WARRANTY
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VOITH液压阀DK55.1-16-250P-300K技术参数及介绍



























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