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Valve of maintenance-free long life is in Guangzhou first try out
From;  Author:Stand originally

Valve of maintenance-free long life is in Guangzhou first try out
Origin: Chinese industry signs up for origin

Near future of management center of water supply of Guangzhou developing zone finished scientific city large requirements smoothly to bury type valve to change continuously project, 1/9 what lid of well of the valve after changing covers an area of an area to be former common valve only, the driveway pitfall that because well lid is missing,avoids effectively to bring hurts human affairs reason. It is reported, valve of this kind of new-style large requirements applies in conduit of domestic municipal water supply first, this kinds of valve also is in an experiment to study level at present in abroad.

Introduce according to the personage inside course of study, traditional water supply valve is put in valve well, valve well allows easy seeper to corrode valve, valve designs life to be commonly 10 years or so.

This kind of new-style valve need not install valve well, bury locate underground directly, excavate width is only. .6 rice, the well after been build builds a diameter to be 200mm only, the driveway pitfall that because well lid is missing,avoids effectively to bring hurts human affairs reason. Additionally its are one-time construction, lifelong avoid maintenance, 0 " of implementation " are safeguarded. This kinds of valve designs life to be at least 30 years.