旋启式止回阀

旋启式止回阀采用内装摇臂旋启式结构，阀门的所有启闭件都装于阀体内部，不穿透阀体，除了中法兰部位用密封垫片或密封环外，整体没有外漏点，杜绝阀门外泄漏。在完全打开的状况下，流体压力几乎不受阻碍，通过阀门的压力降相对较小。适用于清净介质，不宜用于含有固体颗粒和粘度较大的介质。

FEATURES

closing tightness acc. to EN -12334

compact settlement

environment-friendly

no maintenance

flanges drilled according to EN 1092-2

face-to-face dimension according to EN 558 series 48

APPLICATION

hot and cold water plants

steam plants

industrial technologies

neutral fluids

heat and refrigerating engineering

Dimensions