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單價 面議對比
詢價 暫無
發貨 江蘇淮安市付款后3天內
品牌 江蘇恒大
型號 HD--LGBH
過期 長期有效
更新 2013-09-27 11:06
 

江蘇恒大儀表有限公司銷售一部

企業會員第12年
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是將標準孔板與多參數差壓變送器(或差壓變送器、溫度變送器及壓力變送器)配套組成的高量程比差壓流量裝置,可測量氣體、蒸汽、液體及天然氣的流量,廣泛應用于石油、化工、冶金、電力、供熱、供水等領域的過程控制和測量。

二、原理及結構:

充滿管道的流體,當它們流經管道內的流量孔板時,流速將在流量孔板的節流處形成局部收縮,從而使流速加快,靜壓力降低,于是在標準孔板前后便產生了壓力降或叫壓差,介質流動的流量愈大,在流量孔板前后產生的壓差也就愈大,所以可通過測量壓差來測量流體流量的大小。這種測量方法是以流動連續性方程(質量守恒定律)和伯努利方程式(能量守恒定律)的原理為基礎的。*******.yb1518.*/

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江蘇恒大儀表有限公司電話: 0517-86500336 手機: 13915187193聯系人: 楊經理 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