現貨供應P608305-P608306空氣濾芯廠家

選用的空氣濾芯一定要與原裝發動機的動力性、經濟性及可靠性匹配。 
　?。?）額定進氣量 
　　濾芯技術參數中的空氯流量應大于配用發動機的額定進氣量。 
　　（2）過濾材料 
　　對過濾材料有厚度、抗張力、原始進氣阻力、過濾精度等要求。進口柴油朵要求空氣過濾精度為5μm，國產柴油機也要還應小于20μm。高效濾紙的過濾精度為2μm，普通進口濾紙為30μm，而國產濾紙僅為80μm。 
　?。?）濾芯性能試驗 現貨供應P608305-P608306空氣濾芯廠家
　　①流量-阻力（壓降）試驗 測定空氣流動壓力損失（流量-阻力或流量-壓力分硐曲線）。 
　?、谠歼^濾效率試驗 可計算出濾芯的集塵效率，正常濾芯的降塵率應為99%以上。 
　?、蹆m能力試驗和累積效率試驗 濾芯積塵灰過多造成堵塞、進氣阻力增大。使發動機功率下降5%或油耗上升5%時的進氣阻力是一極限值，達到此值時就必須清掃或更換濾芯。試驗時，進氣阻力或壓力降達到7—46kPa時的積灰重量即是濾芯的儲塵能力，而在此試驗期間的過濾效率則為累積效率。 
　?、茉歼M氣阻力試驗 進氣阻力9額定時氣量通過濾芯時在進、出口處的壓差）不應超過3.2kPa，還則功率將下降，發動機會冒黑煙。P608305 P608306? P552060 P552070 P552071 P552071 P552072 P552073 P552075 P552076 P552077 P552077 P552251 P552290 P552819 P552849 P552850 P553000 P553004 P553110 P553191 P553240 P553261 P553293 P553311 P553314 P553315 P553335 P553404 P553411 P553548 P553693 P553712 P553746 P553771 P553823 P553825 P553925 P554004 P554005 P554016 P554017 P554018 P554018 P554071 P554071 P554072 P554072 P554073 P554075 P554075 P554081 P554104 P554105 P554166 P554347 P554403 P554407 P554408 P554408 P554620 P554620 P554685 P554731 P554744 P554744 P554770 P554860 P554925 P554925 P555095 P555150 P555213 P555240 P555396 P555461 P555570 P555625 P555627 P555680 P555823 P555935 P555961 P556001 P556004 P556005 P556007 P556064 P556245 P556245 P556287 P556700 P556915 P556916 P557111 P557207 P557373 P557380 P557382 P557440 P557624 P557624 P557841 P558000 P558000 P558162 P558250 P558329 P558425 P558467 P558615 P558712 P558792 P559418 P559430 P559624 P559740 P559850 P585282 P603857 P605552 P606720 P607362 P610903 P770027 P770035 P770132 P770133 P770145 P770149 P770169 P770180 P770181 P770184 P770197 P770198 P770234 P770367 P770371 P770372 P770373 P770414 P770491 P770494 P770495 P770520 P770541 P770576 P770616 P770678 P770709 P770735 P770736 P770737 P770738 P770739 P770800 P770819 P770834 P770836 P771006 P771073 P771268 P771502 P771504 P771505 P771506 P771508 P771509 P771510 P771519 P771521 P771523 P771528 P771529 P771530 P771531 P771536 P771538 P771543 P771545 P771546 P771549 P771550 P771553 P771557 P771558 P771561 P771562 P771563 P771571P771573 P771575 P771582 P771583 P771589 P771590 P771592 P771593 P771594 P771595 P772503 P772504 P772506 P772513 P772519 P772521 P772523 P772529 P772530 P772531 P772532 P772536 P772545 P772549 P772550 P772553 P772556 P772564 P772578 P772579 P772580 P772580 P772581 P772585 P772587 P773520 P773521 P773605 P774502 P774504 P774505 P774509 P774518 P774519 P774521 P774524 P774525 P774550 P774551 P774552 P774560 P774583 P775064 P775074 P775262 P775298 P775300 P775302 P775302 P775339 P775366 P775367 P775368 P775368 P775369 P775370 P775371 P775372 P775373 P775457 P775510 P775704 P775739 P775749