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伸缩蝶阀
公称尺寸NPS2～NPS48、DN50～DN1200
公称压力CL150～CL300、PN10～PN40
操作方式手动、齿轮传动、气动、电动、液动等
端部连接法兰
壳体材料碳钢、低温钢、不锈钢、球墨铸铁等
伸缩蝶阀.pdf
伸缩蝶阀
公称尺寸NPS2～NPS48、DN50～DN1200
公称压力CL150～CL300、PN10～PN40
操作方式手动、齿轮传动、气动、电动、液动等
端部连接法兰
壳体材料碳钢、低温钢、不锈钢、球墨铸铁等
伸缩蝶阀.pdf
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