压力继电器有柱塞式、膜片式、弹簧管式和波纹管式四种结构形式。下面对柱塞式压力继电器（见图1）的工作原理作一介绍：
当从继电器下端进油口3进入的液体压力达到调定压力值时，推动柱塞2上移，此位移通过杠杆放大后推动微动开关4动作。改变弹簧1的压缩量，可以调节继电器的动作压力。
应用场合：用于安全保护、控制执行元件的顺序动作、用于泵的启闭、用于泵的卸荷。
注意： 压力继电器必须放在压力有明显变化的地方才能输出电信号。若将压力继电器放在回油路上，由于回油路直接接回油箱，压力也没有变化，所以压力继电器也不会工作
德国力士乐压力继电器HED80P1X/50K14S力士乐代理电话
武汉盛美特机电设备有限公司主要经营欧美品牌：液压泵,压力阀,流量阀,叠加阀,液压单元,比例阀,插装阀,电子元器件.
压力继电器 HED80A1X/350K14
压力继电器 HED80P1X/50K14S压力继电器 HED80P-1X/315+Z15L24
压力继电器 HED8-OP-1X/200-K14-S
压力继电器 HED8-OP-1X/200-K14-S
压力继电器 HED40P10/350S
压力继电器 HED80A1X/350K14
压力继电器 HED50P.20/210L24
压力继电器 HED80H1X1200K14A
压力继电器 HED40P10/350S
压力继电器 HED50P.20/210L24
压力继电器 HED80A1X/350K14
压力继电器 HED80H1X/200K14A
压力继电器 HED80P10/100Z15L24SV
压力继电器 HED80P1X/50K14S
Rexroth力士乐压力开关/压力继电器/压力传感器
REXROTH力士乐压力开关HED80H2X/100K14
REXROTH力士乐压力开关HED80H2X/200K14
REXROTH力士乐压力开关HED8OA2X/50K14
REXROTH力士乐压力开关HED80A2X/350K14KW
REXROTH力士乐压力开关HED80P2X/350K14KW
REXROTH力士乐压力继电器 HED8OH1X/350K14
REXROTH力士乐压力继电器 HED8OA1X/350K14
REXROTH力士乐压力继电器 HED8OH1X/200K
REXROTH力士乐压力继电器 HED8OH1X/50K
REXROTH力士乐压力继电器 HED30A3X400KL24Q
REXROTH力士乐压力继电器 HED80H1×1200K14A
REXROTH力士乐压力继电器 HED40P10/350S
REXROTH力士乐压力继电器 HED50P.20/210L24
R901107128 HED8OH-2X/100K14A
R901107126 HED8OA-2X/200K14KS
R901107093 HED8OP-2X/200K14S
R901107087 HED8OA-2X/350K14KS
R901107086 HED8OH-2X/50K14AS
R901106509 HED8OP-2X/100K14S
R901106505 HED8OH-2X/100K14AS
R901106504 HED8OP-2X/50K14S
R901106498 HED8OH-2X/100K14KS
R901106453 HED8OP-2X/350K14
R901106452 HED8OA-2X/200K14AS
R901106449 HED8OP-2X/630K14S
R901106448 HED8OA-2X/200K14KW
R901106259 HED8OA-2X/100K14A
R901102754 HED8OA-2X/50K14KW
R901102747 HED8OP-2X/100K14
R901102727 HED8OA-2X/200K14S
R901102721 HED8OP-2X/200K14
R901102716 HED8OA-2X/350K14KW
R901102711 HED8OA-2X/100K14S
R901102710 HED8OA-2X/350K14
R901102708 HED8OA-2X/200K14
R901102706 HED8OA-2X/100K14
R901102704 HED8OA-2X/50K14S
R901102702 HED8OA-2X/50K14KS
R901102362 HED8OH-2X/200K14S
R901102360 HED8OH-2X/100K14
R901127494 HED8OP-2X/350K35S
R901127492 HED8OP-2X/100K35S
R901127477 HED8OA-2X/350K35AS
R901127474 HED8OA-2X/350K35S
R901127471 HED8OA-2X/350K35A
R901127461 HED8OA-2X/100K35S
R901126944 HED8OP-2X/100XNZ14KS
R901126696 HED8OA-2X/100K35KS
R901126235 HED8OA-2X/50XNZ14
R901126233 HED8OA-2X/350XNZ14S
R901126082 HED8OP-2X/350K14AV
R901125810 HED8OH-2X/200K14KWV
R901125561 HED8OA-2X/350K35
R901125068 HED8OH-2X/100K35KS
R901124650 HED8OP-2X/630K14KS
R901123283 HED8OA-2X/100P040K14S
R901122137 HED8OP-2X/350XNZ14KS
R901122124 HED8OP-2X/350K14KWV
R901119175 HED8OA-2X/630K14KW/12
R901117070 HED8OA-2X/50K14V
R901111201 HED8OA-2X/100K14S/12
R901111200 HED8OA-2X/100K14SV
R901111198 HED8OA-2X/200K14A/12
R901108531 HED8OP-2X/350K14ASV
R901108529 HED8OP-2X/630K14V
R901108522 HED8OA-2X/200K14ASV
R901108521 HED8OA-2X/200U170K14S
R901108518 HED8OA-2X/350K14A/12
R901108517 HED8OA-2X/350K14ASV
R901108512 HED8OA-2X/630K14AS
R901108268 HED8OH-2X/100K14SV
R901108265 HED8OP-2X/100K14V
R901108258 HED8OP-2X/200K14KS
R901108252 HED8OP-2X/350P140K14S
R901108249 HED8OP-2X/50K14KW
R901108245 HED8OA-2X/200K14KWV
R901108236 HED8OH-2X/350K14AS
R901108229 HED8OP-2X/100K14A
R901108147 HED8OP-2X/630K14
R901108023 HED8OP-2X/200K14A
R901108018 HED8OP-2X/200K14KW
R901108012 HED8OP-2X/50K14KS
R901108009 HED8OA-2X/350K14S/12
R901108007 HED8OH-2X/50K14A
R901108003 HED8OP-2X/200K14AS
R901108001 HED8OP-2X/50K14V
R901107999 HED8OP-2X/50K14A
R901107997 HED8OP-2X/100K14KS
R901107923 HED8OA-2X/200U120K14S
R901107922 HED8OA-2X/350K14SV
R901107915 HED8OA-2X/630K14S
R901107914 HED8OP-2X/350K14KS
R901107913 HED8OP-2X/350K14SV
R901107805 HED8OA-2X/200K14SV
R901107796 HED8OA-2X/350K14V
