throttled steam 中文意思是什麼
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As a general rule, an adequately sized globe valve ( i. e. with pipe velocity between 15 to 25 ft / sec for water and 200 to 300 ft / sec for steam ) should not be throttled down below 35 % of its maximum full open cv capacity ( approximately 20 % of full stroke )
一般而言，通徑足夠大的截止閥（例如管道內水流速度在15至25英尺/秒之間，蒸汽流速在200至300英尺/秒之間） ，節流后的流量不應該小於完全開啟狀態流量（流量系數大約為全沖程的20 % ）的35 %以下。
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