首(shou)先(xian)，要(yao)(yao)因地制宜(yi)選(xuan)(xuan)(xuan)購(gou)(gou)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)。常用(yong)的(de)(de)(de)農用(yong)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)有(you)3種類型，即離心(xin)泵(beng)(beng)(beng)(beng)、軸(zhou)流(liu)(liu)泵(beng)(beng)(beng)(beng)和(he)混流(liu)(liu)泵(beng)(beng)(beng)(beng)。離心(xin)泵(beng)(beng)(beng)(beng)揚(yang)(yang)程(cheng)(cheng)(cheng)較高(gao)，但(dan)出(chu)水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)(liang)不大(da)(da)，適用(yong)于(yu)(yu)山區(qu)和(he)井灌區(qu)；軸(zhou)流(liu)(liu)泵(beng)(beng)(beng)(beng)出(chu)水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)(liang)較大(da)(da)，但(dan)揚(yang)(yang)程(cheng)(cheng)(cheng)不太高(gao)，適用(yong)于(yu)(yu)平原地區(qu)使用(yong)；混流(liu)(liu)泵(beng)(beng)(beng)(beng)的(de)(de)(de)出(chu)水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)(liang)和(he)揚(yang)(yang)程(cheng)(cheng)(cheng)介(jie)于(yu)(yu)離心(xin)泵(beng)(beng)(beng)(beng)和(he)軸(zhou)流(liu)(liu)泵(beng)(beng)(beng)(beng)之間，適用(yong)于(yu)(yu)平原和(he)丘(qiu)陵地區(qu)使用(yong)。用(yong)戶要(yao)(yao)根據(ju)本(ben)地的(de)(de)(de)地況、水(shui)(shui)(shui)(shui)(shui)(shui)源和(he)提水(shui)(shui)(shui)(shui)(shui)(shui)高(gao)度(du)進(jin)行選(xuan)(xuan)(xuan)購(gou)(gou)。    其(qi)次，要(yao)(yao)適當超標選(xuan)(xuan)(xuan)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)。確定水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)類型后，要(yao)(yao)考慮(lv)其(qi)經濟性能(neng)，特別要(yao)(yao)注意(yi)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)的(de)(de)(de)揚(yang)(yang)程(cheng)(cheng)(cheng)和(he)流(liu)(liu)量(liang)(liang)及其(qi)配(pei)套(tao)(tao)動(dong)力(li)(li)的(de)(de)(de)選(xuan)(xuan)(xuan)擇(ze)。**注意(yi)，水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)標牌(pai)上注明的(de)(de)(de)揚(yang)(yang)程(cheng)(cheng)(cheng)(總(zong)揚(yang)(yang)程(cheng)(cheng)(cheng))與(yu)使用(yong)時(shi)的(de)(de)(de)出(chu)水(shui)(shui)(shui)(shui)(shui)(shui)揚(yang)(yang)程(cheng)(cheng)(cheng)(實際(ji)揚(yang)(yang)程(cheng)(cheng)(cheng))是(shi)(shi)有(you)差別的(de)(de)(de)，這是(shi)(shi)由于(yu)(yu)水(shui)(shui)(shui)(shui)(shui)(shui)流(liu)(liu)通(tong)過輸(shu)水(shui)(shui)(shui)(shui)(shui)(shui)管(guan)和(he)管(guan)路附(fu)近時(shi)會有(you)一(yi)定的(de)(de)(de)阻力(li)(li)損(sun)失。所以，實際(ji)揚(yang)(yang)程(cheng)(cheng)(cheng)一(yi)般(ban)要(yao)(yao)比總(zong)揚(yang)(yang)程(cheng)(cheng)(cheng)低(di)10%—20%，出(chu)水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)(liang)也(ye)相應減(jian)少。因此，實際(ji)使用(yong)時(shi)，只(zhi)能(neng)按(an)標牌(pai)所注揚(yang)(yang)程(cheng)(cheng)(cheng)和(he)流(liu)(liu)量(liang)(liang)的(de)(de)(de)80%～90%估算，水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)配(pei)套(tao)(tao)動(dong)力(li)(li)的(de)(de)(de)選(xuan)(xuan)(xuan)擇(ze)，可按(an)標牌(pai)上注明的(de)(de)(de)功率(lv)選(xuan)(xuan)(xuan)擇(ze)，為(wei)了(le)使水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)啟動(dong)迅速和(he)使用(yong)**，動(dong)力(li)(li)機的(de)(de)(de)功率(lv)也(ye)可略大(da)(da)于(yu)(yu)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)所需(xu)功率(lv)，一(yi)般(ban)高(gao)出(chu)10%左右(you)為(wei)宜(yi)；如果已有(you)動(dong)力(li)(li)，選(xuan)(xuan)(xuan)購(gou)(gou)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)時(shi)，則可按(an)動(dong)力(li)(li)機的(de)(de)(de)功率(lv)選(xuan)(xuan)(xuan)購(gou)(gou)與(yu)之相配(pei)套(tao)(tao)的(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)。　　**，要(yao)(yao)嚴格(ge)手續購(gou)(gou)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)。選(xuan)(xuan)(xuan)購(gou)(gou)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)時(shi)還要(yao)(yao)審(shen)驗“三(san)證”，即農業機械推廣許(xu)可證、許(xu)可證和(he)產(chan)(chan)品檢驗合格(ge)證，只(zhi)有(you)三(san)證齊全方能(neng)避免(mian)購(gou)(gou)置淘汰產(chan)(chan)品及劣質產(chan)(chan)品。     你(ni)可以選(xuan)(xuan)(xuan)擇(ze)農用(yong)的(de)(de)(de)離心(xin)水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)（1200W），賣水(shui)(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)的(de)(de)(de)商店會給你(ni)配(pei)好接頭的(de)(de)(de)，揚(yang)(yang)程(cheng)(cheng)(cheng)要(yao)(yao)高(gao)一(yi)點（防止(zhi)電機受損(sun)）