首(shou)先，要(yao)(yao)(yao)因地(di)制宜(yi)選(xuan)(xuan)購(gou)水(shui)(shui)泵(beng)(beng)(beng)。常用(yong)(yong)的(de)(de)農(nong)用(yong)(yong)水(shui)(shui)泵(beng)(beng)(beng)有(you)3種類型(xing)，即離心(xin)泵(beng)(beng)(beng)、軸(zhou)(zhou)流(liu)泵(beng)(beng)(beng)和混(hun)(hun)流(liu)泵(beng)(beng)(beng)。離心(xin)泵(beng)(beng)(beng)揚(yang)(yang)(yang)程(cheng)(cheng)較高(gao)(gao)，但(dan)出(chu)(chu)水(shui)(shui)量不大，適用(yong)(yong)于山區和井灌區；軸(zhou)(zhou)流(liu)泵(beng)(beng)(beng)出(chu)(chu)水(shui)(shui)量較大，但(dan)揚(yang)(yang)(yang)程(cheng)(cheng)不太高(gao)(gao)，適用(yong)(yong)于平原(yuan)地(di)區使(shi)用(yong)(yong)；混(hun)(hun)流(liu)泵(beng)(beng)(beng)的(de)(de)出(chu)(chu)水(shui)(shui)量和揚(yang)(yang)(yang)程(cheng)(cheng)介于離心(xin)泵(beng)(beng)(beng)和軸(zhou)(zhou)流(liu)泵(beng)(beng)(beng)之間，適用(yong)(yong)于平原(yuan)和丘陵地(di)區使(shi)用(yong)(yong)。用(yong)(yong)戶(hu)要(yao)(yao)(yao)根據本地(di)的(de)(de)地(di)況、水(shui)(shui)源(yuan)和提水(shui)(shui)高(gao)(gao)度進行選(xuan)(xuan)購(gou)。    其(qi)次(ci)，要(yao)(yao)(yao)適當超標(biao)(biao)選(xuan)(xuan)水(shui)(shui)泵(beng)(beng)(beng)。確定水(shui)(shui)泵(beng)(beng)(beng)類型(xing)后，要(yao)(yao)(yao)考慮其(qi)經(jing)濟性能，特別(bie)要(yao)(yao)(yao)注(zhu)(zhu)意水(shui)(shui)泵(beng)(beng)(beng)的(de)(de)揚(yang)(yang)(yang)程(cheng)(cheng)和流(liu)量及其(qi)配(pei)(pei)套(tao)(tao)動力(li)的(de)(de)選(xuan)(xuan)擇。**注(zhu)(zhu)意，水(shui)(shui)泵(beng)(beng)(beng)標(biao)(biao)牌上注(zhu)(zhu)明的(de)(de)揚(yang)(yang)(yang)程(cheng)(cheng)(總揚(yang)(yang)(yang)程(cheng)(cheng))與(yu)使(shi)用(yong)(yong)時(shi)的(de)(de)出(chu)(chu)水(shui)(shui)揚(yang)(yang)(yang)程(cheng)(cheng)(實際揚(yang)(yang)(yang)程(cheng)(cheng))是有(you)差別(bie)的(de)(de)，這是由于水(shui)(shui)流(liu)通過(guo)輸水(shui)(shui)管和管路附近(jin)時(shi)會有(you)一定的(de)(de)阻力(li)損(sun)失。所以，實際揚(yang)(yang)(yang)程(cheng)(cheng)一般要(yao)(yao)(yao)比總揚(yang)(yang)(yang)程(cheng)(cheng)低10%—20%，出(chu)(chu)水(shui)(shui)量也相(xiang)應減少(shao)。因此，實際使(shi)用(yong)(yong)時(shi)，只能按(an)(an)標(biao)(biao)牌所注(zhu)(zhu)揚(yang)(yang)(yang)程(cheng)(cheng)和流(liu)量的(de)(de)80%～90%估算，水(shui)(shui)泵(beng)(beng)(beng)配(pei)(pei)套(tao)(tao)動力(li)的(de)(de)選(xuan)(xuan)擇，可(ke)按(an)(an)標(biao)(biao)牌上注(zhu)(zhu)明的(de)(de)功率(lv)(lv)選(xuan)(xuan)擇，為了使(shi)水(shui)(shui)泵(beng)(beng)(beng)啟動迅速和使(shi)用(yong)(yong)**，動力(li)機(ji)的(de)(de)功率(lv)(lv)也可(ke)略大于水(shui)(shui)泵(beng)(beng)(beng)所需功率(lv)(lv)，一般高(gao)(gao)出(chu)(chu)10%左右為宜(yi)；如(ru)果已有(you)動力(li)，選(xuan)(xuan)購(gou)水(shui)(shui)泵(beng)(beng)(beng)時(shi)，則(ze)可(ke)按(an)(an)動力(li)機(ji)的(de)(de)功率(lv)(lv)選(xuan)(xuan)購(gou)與(yu)之相(xiang)配(pei)(pei)套(tao)(tao)的(de)(de)水(shui)(shui)泵(beng)(beng)(beng)。　　**，要(yao)(yao)(yao)嚴格手續購(gou)水(shui)(shui)泵(beng)(beng)(beng)。選(xuan)(xuan)購(gou)水(shui)(shui)泵(beng)(beng)(beng)時(shi)還要(yao)(yao)(yao)審驗“三(san)(san)證(zheng)(zheng)”，即農(nong)業(ye)機(ji)械推廣(guang)許(xu)可(ke)證(zheng)(zheng)、許(xu)可(ke)證(zheng)(zheng)和產品(pin)檢驗合格證(zheng)(zheng)，只有(you)三(san)(san)證(zheng)(zheng)齊全方能避免購(gou)置(zhi)淘汰產品(pin)及劣質產品(pin)。     你可(ke)以選(xuan)(xuan)擇農(nong)用(yong)(yong)的(de)(de)離心(xin)水(shui)(shui)泵(beng)(beng)(beng)（1200W），賣(mai)水(shui)(shui)泵(beng)(beng)(beng)的(de)(de)商(shang)店會給你配(pei)(pei)好接頭(tou)的(de)(de)，揚(yang)(yang)(yang)程(cheng)(cheng)要(yao)(yao)(yao)高(gao)(gao)一點（防止(zhi)電(dian)機(ji)受損(sun)）