The Directly buried extension rod elastic seat sealing gate valve is installed in various underground pipelines, as a two-way closed circuit use. Adoption can be maintension-free extension of the stem design, one-time buried, to avoid the expensive cost of valve Wells and road reconstruction and valve replacement brought about by the huge investment, beautify the road environment, rolling resistance, avoid the loss of manhole cover caused by safety accidents. The stem can be retractable at will according to the depth of the valve well. The top of the stem can also be equipped with a switch display, or a remote signal device can be installed. Widely used in tap water, sewage treatment and other deep pipe well industries.
Characteristics of Directly Buried Extended Rod Elastic Seat Sealing Gate Valve ：
1. Directly buried technology, no need to do valve Wells, reduce the amount of installation and construction, and the embedding depth range can be adjusted.
2. Long life, no internal leakage, with the advantage of spring brake.
3. It does not affect the traffic, safe and reliable, and the underground part is connected as a whole, effectively preventing theft.
4. The special telescopic structure of the valve stem can effectively prevent the influence of the ground subsidence on the valve.
