力士乐叶片泵故意障原因加以分析 1)叶片泵有些用户水泵启动前未灌满足够水;看上去灌水已从放气孔溢出,但未转动泵轴交空气完全排出,致使少许空气还残留进水管或泵体中。 2)叶片泵接触进水管水平段逆水流方向应用0.5%以上下降坡度,连接水泵进口一端为较高,不要完全水平。向上翘起,进水管内会存留空气,降低了水管和水泵中真空度,影响吸水。 3)叶片泵填料因长期使用已经磨损或填料压过松,造成大量水从填料与泵轴轴套间隙中喷出,其结果是外部空气就从这些间隙进入水泵内部,影响了提水。 4)进水管因长期潜水下,管壁腐蚀出现孔洞,水泵工作后水面不断下降,当这些孔洞露出水面后,空气就从孔进入了进水管。 5)进水管弯管处出现裂痕,进水管与水泵连接处出现微小间隙,都有可能使空气进入进水管。 水泵转速过低 1)人为因素。有相当一部分用户因原配电动机损坏,就随意配上另一台电动机带动,结果造成了流量少、扬程低抽不上水后果。 2)传动带磨损。有许多大型离水泵采用带传,因长期使用,传动带磨损而松也,出现打滑现象,降低了水泵转速。 R901075202 PVV42-1X/113-055RA15UUMC R901075200 PVV41-1X/122-046RA15UUMC R901074802 PVV21-1X/060-018RB15DDMB R901069521 PVV51-1X/139-027RB15LLMC R901066306 PVV21-1X/040-018RA15RRMB R901063719 PVV42-1X/098-068RB15UUMC R901063622 PVV2-1X/055RA15LMB R901062107 ABHPG-PVV1-018U/90L-6-W1/SF R901059672 PVV54-1X/162-122RA15DDMC R901061186 PVV51-1X/193-018RA15LDMC R901057121 PVV51-1X/193-046RA15DDMC R901055602 PVV4-1X/113LA15UMC R901054757 ABHPG-PVV1-027D/90L-4-A1/SBF R901053049 PVV51-1X/193-046RA15DLMC R901053014 PVV51-1X/193-046LA15DLMC R901050795 PVV54-1X/183-069RA15UUMC R901045673 PVV4-1X/098RA15LMC R901044270 PVV2-1X/040RA15UVB R901042655 PVV54-1X/154-082RA15UUMC R901042651 PVV41-1X/082-040RA15UUMC R901042169 PVV21-1X/045-040LA15UUMB R901040968 PVV1-1X/040RA15UVB R901040503 PVV1-1X/036RJ15DVB R901040430 ABUPG-PVV1- 46U-1X/100L-4-A0K/S ABB R901037970 PVV1-1X/018RA15RMB R901036232 PVV51-1X/193-027RA15UUMC R901034701 PVV54-1X/193-122RJ15DDMC R901033123 ABUPG-PVV21- 45- 18U-1X/100L-4-A0/S R901031937 PVV2-1X/055RA15DVB R901031658 PVV21-1X/068-046RA15UUMB R901029208 ABAPG-PVV2-068U/100L-4-A0/SE R901028783 PVV2-1X/045LA15UMB R901027161 ZUBEHOER AB41-20A1X/B35-100/0-PVV2/M R901026966 PVV54-1X/154-122RB15UUMC R901025366 ABUPG-PVV1- 18U-1X/ 80 -4-O1HAN10ESS/S R901024714 PVV51-1X/162-046RA15DDMC R901024704 PVV4-1X/082RJ15UMC R901023158 PVV21-1X/045-040RA15UUMB R901020330 PVV41-1X/122-027RA15DDMC R901020329 PVV52-1X/193-045RB15LLMC R901018208 PVV54-1X/139-122RJ15UUMC R901014437 PVV4-1X/082LA15UMC R901012238 PVV4-1X/122RA15DVC R901012150 PVV41-1X/082-018RB15UUMC R901009013 PVV21-1X/040-027RA15UUMB R901006812 SY2DFEE-2X/100-PVV/01006744 00940446 R901006811 SY2DFEE-2X/071-PVV/01006745 00946959 R901004734 PVV21-1X/055-036RA15UUMB R901002834 PVV41-1X/069-018RJ15UUMC R901002823 PVV52-1X/162-068RA15UUMC R901001457 SY2DFEE-2X/071-PVV/00782*** R900978703 PVV4-1X/082RA15DVC R900977523 ABAPG-PVV /017D493A R900977417 PVV5-1X/162RA15RMC R900976172 PVV41-1X/098-018RA15UUMC R900976001 PVV54-1X/162-082RA15DDMC R900973408 PVV1-1X/027RA15UVB 单联泵 PVV1-1X/018 PVQ1-1X/018 PVV1-1X/027 PVQ1-1X/027 PVV1-1X/036 PVQ1-1X/036 PVV1-1X/040 PVQ1-1X/040 PVV1-1X/046 PVQ1-1X/046 PVV2-1X/040 PVQ2-1X/040 PVV2-1X/045 PVQ2-1X/045 PVV2-1X/055 PVQ2-1X/055 PVV2-1X/060 PVQ2-1X/060 PVV2-1X/068 PVQ2-1X/068 PVV4-1X/069 PVQ4-1X/069 PVV4-1X/082 PVQ4-1X/082 PVV4-1X/098 PVQ4-1X/098 PVV4-1X/113 PVQ4-1X/113 PVV4-1X/122 PVQ4-1X/122 PVV5-1X/139 PVQ5-1X/139 PVV5-1X/154 PVQ5-1X/154 PVV5-1X/162 PVQ5-1X/162 PVV5-1X/183 PVQ5-1X/183 PVV5-1X/193 PVQ5-1X/193