由於水環式真空泵是shi濕shi式shi真zhen空kong泵beng，從cong抽chou吸xi氣qi體ti挾xie帶dai過guo來lai的de水shui，隻zhi要yao不bu含han對dui泵beng產chan生sheng腐fu蝕shi的de物wu質zhi，本ben身shen對dui真zhen空kong泵beng的de零ling件jian沒mei有you損sun害hai，進jin來lai一yi些xie水shui應ying該gai也ye是shi沒mei問wen題ti的de，所suo以yi往wang往wang不bu能neng引yin起qi使shi用yong者zhe的de重zhong視shi。但dan實shi驗yan證zheng明ming，抽chou吸xi的de氣qi體ti含han有you較jiao多duo水shui分fen，會hui造zao成cheng水shui環huan式shi真zhen空kong泵beng氣qi量liang降jiang低di、軸功率顯著增加和真空泵在zai一yi定ding範fan圍wei內nei工gong作zuo不bu穩wen定ding，而er且qie水shui量liang越yue多duo影ying響xiang越yue重zhong。原yuan因yin是shi抽chou吸xi的de水shui會hui占zhan據ju吸xi氣qi口kou的de麵mian積ji，使shi泵beng的de吸xi氣qi量liang下xia降jiang，水shui混hun入ru液ye環huan後hou又you會hui加jia厚hou液ye環huan的de厚hou度du，跟gen泵beng供gong水shui量liang過guo大da一yi樣yang，增zeng加jia功gong率lv的de消xiao耗hao，降jiang低di效xiao率lv。
水(shui)環(huan)式(shi)真(zhen)空(kong)泵(beng)在(zai)紙(zhi)機(ji)濕(shi)部(bu)使(shi)用(yong)時(shi)，如(ru)果(guo)選(xuan)用(yong)的(de)前(qian)置(zhi)氣(qi)水(shui)分(fen)離(li)器(qi)不(bu)當(dang)或(huo)有(you)故(gu)障(zhang)或(huo)不(bu)使(shi)用(yong)都(dou)會(hui)造(zao)成(cheng)大(da)量(liang)從(cong)濕(shi)部(bu)出(chu)來(lai)的(de)白(bai)水(shui)隨(sui)氣(qi)體(ti)流(liu)入(ru)到(dao)真(zhen)空(kong)泵(beng)內(nei)，使(shi)水環泵的性能下降。而且這些白水一般含有大量纖維、填料和各種化學助劑，粘度大、溫度高，進入到水環式真空泵中會增加工作液的粘度和溫度，對水環泵的性能負麵影響會比清水更加嚴重。此外，含有大量纖維、填tian料liao和he各ge種zhong化hua學xue助zhu劑ji的de白bai水shui進jin入ru到dao水shui環huan式shi真zhen空kong泵beng後hou，會hui混hun入ru到dao水shui環huan式shi真zhen空kong泵beng的de循xun環huan工gong作zuo水shui係xi統tong中zhong，使shi循xun環huan水shui的de水shui質zhi惡e化hua，造zao成cheng水shui環huan式shi真zhen空kong泵beng、冷卻塔、過濾器和管路的堵塞、jiegouhuofushidengbulianghouguomenhegongzuoshuidekexunhuanliyonglvxiajiang，tongshiyelangfeilebaishuizhongdeguizhonghuaxuewuzhiyin。ruguoshuihuanshizhenkongbengjiegouhuofushiyanzhong，qixingnenghuijinyibuxiajiang。youcikanlai，zaizhichangdeshiyongguochengzhong，congchouxiqitixiedaiguolaideshuiduishuihuanshizhenkongbengdeyingxiangshifeichangyanzhongde。
