消防地埋(伸缩杆)弹性座封闸阀阀组
FUV型消防地埋(伸缩杆)弹性座封闸阀阀组采用可以免维护及延长阀杆的设计方案，一次性地埋，避免阀井昂贵的造价及道路多次改造和阀门更换带来的巨大投资，美化道路环境，耐碾压，避免井盖丢失造成安全事故。阀杆可根据阀井深度随意伸缩，阀杆顶部设有阀门开关显示，可加装信号远传装置，阀门误开关锁闭装置。
Maintenance-free and can be used to extend the valve design，a one-time buried．Well Valve expensive road to avoid the cost and time of the huge investment in the transformation and valve replacement，landscaping road envi ronment，rolling resistance．missing manhole covers to avoid causing accidents．Well depth valve stem can tailor a flexible，top with valve stem，remote signal device can be installed．Switch valve mistake of locking devices．
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