是制作角铁法兰、型材滚圆弯曲的理想设备。
计量孔板由铸铁法兰，密封垫，孔板（铸铁或不锈钢）组成。
They are built with cast iron flanges, gaskets and orifice plates (either mild steel or stainless).
铸铁法兰对管道活结和配件要求达到最小化，可提供简便的安装和保养。
The cast iron flanges minimize the need of pipe unions and fittings while offering ease of installation and maintenance.
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