为了使调节阀正常工作,配用的执行机构要能产生足够的输出力来保证高度密封和阀门的开启。
对于双作用的气动、液动、电动执行机构,一般都没有复位弹簧。作用力的大小与它的运行方向无关,选择执行机构的关键在于弄清Zui大的输出力和电机的转动力矩。对于单作用的气动执行机构,输出力与阀门的开度有关,调节阀上的出现的力也将影响运动特性,要求在整个调节阀的开度范围建立力平衡。
北京华德液压全系列 具体型号及报价请联系客服
北京华德先导式溢流阀部分型号:
DB20A-2-30B/50 DB30-1-50B/100
DB20A-2-30B/50X DB30-1-50B/200
DB20A-2-30B/50XY DB30-1-50B/315
DB20A-2-30B/50Y DB30-1-50B/50
DB20A-3-30B/100 DB30-2-30B/100
DB20A-3-30B/100X DB30-2-30B/200
DB20A-3-30B/100XY DB30-2-30B/315
DB30B-1-30B/200Y DB30-2-30B/50
DB30B-1-30B/315 DB30-2-50B/100
DB30B-1-30B/315X DB30-2-50B/200
DB30B-1-30B/315XY DB30-2-50B/315
DB30B-1-30B/315Y DB30-2-50B/50
DB30B-1-30B/50 DB30A-1-30B/200
DB30B-1-30B/50X DB30A-1-30B/200X
DB30B-1-30B/50XY DB30A-1-30B/200XY
DB30B-1-30B/50Y DB30A-1-30B/200Y
DB30B-3-30B/100 DB30A-1-30B/315
DB30B-3-30B/100X DB30A-1-30B/315X
DB30B-3-30B/100XY DB30A-1-30B/315XY
DB30B-3-30B/100Y DB30A-1-30B/315Y
DB30B-3-30B/200 DB30AG-2-50B/100
DB30B-3-30B/200X DB30AG-2-50B/100X
DB30B-3-30B/200XY DB30AG-2-50B/100XY