控制器将标准的110VAC转化为 S1ELS-1100和S1ELS-300工作所需的10-28VDC输入电源，并为直接控制的负载提供一个SPDT，5Amp继电器输出。有两种型号的封装可以提供：开放式线路板Opto-Pak控制器以及自带NEMA4X封装型。
介质 压缩空气或非腐蚀性气体
工作压力 max.10bar.
供应电源 AA型锂电池标准可用两年，
或者可用24 V DC ± 10%电源。
显示 带9mm高的4位黑字液晶显示器。
供电电压 24 V DC + 10%
防护等级 IP 40，可选IP 65
在充满管道的流体流经管道内的节流装置，流束将在节流处形成局部收缩，从而使流速增加，静压力降低，于是在节流件前后产生了静压力差（或称差压）。流体的流速越大，在节流件前后产生的 差也越大，所以可通过测量差压来衡量流体流过节流装…
Needle valves are designed for use on application requiring complete isolating or throttling of the media. Available with and connection is size 1 1/2" (NPT, BSP) and a wide choice in connection of female screwed, male sc…
Needle valves are designed for use on application requiring complete isolating or throttling of the media.
CET Needle Valves with compression ends designed for use on general applications requiring complete isolation and throttling of media.
CEB Needle Valves with compression ends for use in applications on fluids containing solid particles designed to give high capacity bi-directional flow with reliable bubble tight shut off.
CED Needle Valves with compression end is specially designed for use on general applications requiring complete isolation or throttling of media. Ideal for use on gas services and some liquid
GV8 type gauge valve is a block and bleed needle pattern gauge valve with specially designed integral bleed
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