消防地埋(伸縮桿)彈性座封閘閥閥組
FUV型消防地埋(伸縮桿)彈性座封閘閥閥組采用可以免維護及延長閥桿的設計方案，一次性地埋，避免閥井昂貴的造價及道路多次改造和閥門更換帶來的巨大投資，美化道路環境，耐碾壓，避免井蓋丟失造成安全事故。閥桿可根據閥井深度隨意伸縮，閥桿頂部設有閥門開關顯示，可加裝信號遠傳裝置，閥門誤開關鎖閉裝置。
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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