導(dǎo)熱油循環(huán)泵#WRY高溫?zé)嵊捅谩窘煌孕乓哉\(chéng)】【常州市武研熱油泵有限公司】NPSH是由泵本身(吸水室和葉輪進(jìn)口部分的幾何參數(shù))決定的。對(duì)于既定的導(dǎo)熱油循環(huán)泵,不論是哪種介質(zhì)(除了黏性大的介質(zhì)因?yàn)橛绊懰俣确植?/span>),在一定轉(zhuǎn)速和流量下流經(jīng)泵進(jìn)口,因?yàn)樗俣却笮∠嗤杂邢嗤膲毫担簿褪钦f(shuō)NPSH相同。所以NPSHr與液體的性質(zhì)無(wú)關(guān)(不考慮熱力學(xué)因素)。導(dǎo)熱油循環(huán)泵#WRY高溫?zé)嵊捅谩窘煌孕乓哉\(chéng)】。導(dǎo)熱油循環(huán)泵#WRY高溫?zé)嵊捅谩窘煌孕乓哉\(chéng)】。NPSH is determined by the geometrical parameters of the pump itself (suction chamber and impeller inlet part). For the established pump, regardless of which kind of media (except for viscous large media because of the impact velocity distribution), in a certain speed and flow down the pump inlet, because the same rate of the same pressure drop, which means that the same NPSH. So NPSHr has nothing to do with the nature of the liquid (not considering the thermodynamic factors).
常州市武研熱油泵有限公司
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2015.8.8張