Material of main parts:
Body / cover: ductile iron
Gland cover: HDPE
Lower protective pipe: PVC or PE
Box / cover: ductile iron
The direct buried technology does not need to be a gate well, which reduces the amount of installation and the range of embedded depth is adjustable.
It has the advantages of long service life and no internal leakage.
It does not affect the traffic and is safe and reliable. It is connected with the underground part to effectively prevent theft.
The special telescopic structure of the valve stem can effectively prevent the influence of ground subsidence on the valve.