日本SMC减压阀￥广州smc气动元件

日本SMC减压阀￥广州smc气动元件

smc减压阀的基本作用原理是靠阀内流道对水流的局部阻力降低水压，水压降的范围由连接阀瓣的薄膜或活塞两侧的进出口水压差自动调节。定比减压原理是利用阀体中浮动活塞的水压比控制，进出口端减压比与进出口侧活塞面积比成反比，这种减压阀工作平稳无振动，使得国内减压阀生产技术进一步提高;阀体内无弹簧，故无弹簧锈蚀、金属疲劳失效之虑;密封性能良好不渗漏，因而既减动压(水流动时)又减静压(流量为0时);特别是在减压的同时不影响水流量。减压阀通常有DN15～DN100等多种规格，阀前、后的工作压力分别为<1MPa和0.1～0.5MPa，调压范围误差为±5%～10%。

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日本SMC减压阀￥广州smc气动元件
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顺时针调节手轮，调压弹簧被压缩，推动膜片组件下移，通过阀杆，打开阀芯，则入口气压力经阀芯节流降压，压力输出 
出口压力气体经反馈管进入膜片下腔，在膜片产生一个向上的推力。当此推力与调压弹簧力平衡时，出口压力便稳定一定在值。 　　

1）普通型减压阀，出口压力不要超过进口压力的85%；精密减压阀，出口要压力不要超过进口压力的90%。输出压力不得超过设定压力的zui大值。
2）连接配管要充分吹洗。
3）空气的流动方向按箭头方向安装，不得装反。
4）使用塑料材质的减压阀，应避免阳光直射