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Integral level raises ability of form a complete set to enhance industry of our
From; Author:Stand originally
In nitrogenous fertilizer industry, 20 centuries 50 time, business of our country valve can be year of productivity to offer place to need valve for 800 tons small fertilizer plant only; 60 time, year productivity place of facilities of production of 60 thousand tons of medium-sized chemical fertilizer needs 25 thousand ～ valve of form a complete set all can be produced by domestic company; 70 time, valve industry grows to be able to mix 300 thousand tons to synthesize ammoniac plant to offer valve of form a complete set to produce per year 150 thousand tons; 90 time, produce per year 450 thousand tons of synthesis ammonia, produce per year institute of plant of 520 thousand tons of urea to need valve to be able to offer product of form a complete set by domestic company.
In petrifaction industry, 20 centuries 60 time, valve industry can be 5000 tons of ／ only year the extrahigh voltage valve that test facilities offers 150MPa ～ 200MPa among low density polyethylene; 70 time, valve industry already can be 115 thousand tons of ／ year ethylene plant offers whole set valve, developed product of series of microtherm a powerful person energetically; 90 time, already can be 450 thousand tons of ／ year ethylene plant offers whole set valve.
Growing be defeated by cop to go up, 20 centuries 70 time metaphase, our country begins to design cop of trial-produce plain Shanghai to use 1 meter of ball valve. 1978, the ball valve of linkage of fluid of electro-hydraulic, gas that nominal of success of our country trial-produce opens diameter to be 1020mm. 90 time, already can reach natural gas cop to offer valve of form a complete set to grow petroleum pipeline line, still can serve to sweep cop production to receive device, offer valve of complete set form a complete set for pumping station.
In addition, the valve of form a complete set that at present industry of our country valve still can be industry of hair electrician course of study, nucleus and project of other national defense to offer special purpose.
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