适用介质：液体、水、气体，油（20CST以下）介质温度：-5~80℃动作方式：先导式工作压力：常闭式：0.3~12kgf/cm2常开式：0.3~8kgf/cm2阀体材质：黄铜（锻造）膜片式密封，膜片材质丁腈橡胶（NBR）线圈保护等级：塑封线...
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