產(chǎn)品詳情
液-固兩相流介質(zhì):進入平衡盤、平衡鼓等平衡機構(gòu)的介質(zhì)壓力為泵的輸出壓力,通過節(jié)流后的壓力為泵的進口壓力,介質(zhì)從高壓區(qū)向低壓區(qū)流動時形成噴射沖刷,液-固兩相流介質(zhì)中的固體顆粒會很快磨蝕壞平衡機構(gòu)的平衡盤、座等動、靜零件,終泵不能正常運行。撓度多級離心泵泵軸撓度過大,容易引起異常振動、抱軸、機械密封密封面受力不均亦致失效等故障,應(yīng)該從設(shè)計上控制徑向力的產(chǎn)生,盡量減少泵軸在運行中的撓度值。在設(shè)計方面考慮的措施一般有:a)采用蝸殼結(jié)構(gòu)進行導流和能量轉(zhuǎn)換的多級泵,蝸殼形狀的不對稱在運行中容易使軸彎曲,應(yīng)將相鄰兩級蝸殼錯開18布置來減少徑向力。
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庫卡ECMAS3D2224BE531/KSP 600-3x20/伺服驅(qū)動器
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ABB整流橋控制接口板 PC D231
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ALLEN BRADLEY 1332-ZAA / 1332ZAA (NEW NO BOX)
ALLEN BRADLEY 140M-C-W453 / 140MCW453 (USED TESTED CLEANED)
ALLEN BRADLEY LB-036 / LB036 (USED TESTED CLEANED)
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中壓閥公稱壓力PN2.5~6.4MPa的閥門。高壓閥公稱壓力PN1.~8.MPa的閥門。超高壓閥公稱壓力PN大于1MPa的閥門。按介質(zhì)溫度分類:高溫閥-t大于45C的閥門。中溫閥-12C小于t小于45C的閥門。常溫閥-4C小于t小于12C的閥門。低溫閥-1C小于t小于-4C的閥門。超低溫閥t小于-1C的閥門。按閥體材料分類:非金屬材料閥門如陶瓷閥門、玻璃鋼閥門、塑料閥門。