立式止回阀H62Y-350 DN200图纸下载_阀体图纸 - 沐风网
立式止回阀是流体只能沿进水口流动,出水口介质却无法回流,俗称立式止回阀。立式止回阀又称止回阀或逆止阀。用于液压系统中防止油流反向流动,或者用于气动系统中防止压缩空气逆向流动。立式止回阀有直通式和直角式两种。直通式单向阀用螺纹连接安装在管路上。直角式单向阀有螺纹连接、板式连接和法兰连接三种形式。
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