供应 直埋式橡胶闸阀 加长杆式

   直埋式橡胶闸阀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，阀门误开锁闭装置 

  Buried type rubber gate valve can be used in the maintenance and extension of the stem of the design,once buried,to avoid the cost of the valve shaft is expensive and road repeatedly reconstruction and valve replacement the enormous investment,beautify the road environment,resistance to rolling,avoid covers loss caused by accidents.

Stem can be according to the valve pit depth is freely telescopic,on top of the stem is provided with valve switch display,can add the signal remote transmission device,the valve switch locking device error,