SD343X/F/H 伸缩蝶阀
用途:本阀不仅适用于水、蒸汽、油品等管路上作启闭或调节流量使用,还能补偿管道温差所产生的热胀冷缩,为安装更换、 维修阀门提供方便。 Usage:It is applied to open and shut or adjusting the flow of the water,steam and oil pipeline.it can also reduce the expansion and contraction of the pipeline which caused by temperature variation,and make it is convenient for valve replacing and repairing.