弘一液压泵HONGYI叶片泵YB-E160/125-L 200-80双联泵高压油泵





PV11R10,PV11R20
PV2PV2R1-10-F-RAA-43,PV2PV2R1-12-F-RAA-43,PV2PV2R1-14-F-RAA-43,PV2PV2R1-14-F-RAR-43,PV2PV2R1-17-F-RAA-43,PV2PV2R1-19-F-RAA-43,PV2PV2R1-23-F-RAA-43,PV2PV2R1-25-F-RAA-43,PV2PV2R1-31-F-RAA-43,PV2PV2R1-31-L-RAA-43,PV2PV2R1-6-F-RAA-43,PV2PV2R1-8-F-RAA-43,PV2PV2R2-33-F-RAA-41,PV2PV2R2-41-F-RAA-41,PV2PV2R2-47-F-RAA-41,PV2PV2R2-53-F-RAA-41,PV2PV2R2-59-F-RAA-41,PV2PV2R2-65-F-RAA-41,PV2PV2R2-65-F-RAL-41,PV2PV2R2-75-F-RAA-4103,PV2PV2R3-116-F-RAA-31,PV2PV2R3-116-F-RLB-31,PV2PV2R3-76-F-RAA-31,PV2PV2R3-94-F-RLB-31,PV2PV2R4-184-F-RAAA-30,pv2r1-10,pv2r1-10-f-raa-40,PV2R1-10-F-RAA-41,pv2r1-10-f-raa-4222,pv2r1-10-f-raa-43,PV2R1-12-FR,PV2R1-12-F-RAA-41,PV2R1-12-F-RAA-43,pv2r1-12-f-rar-41,pv2r1-14-f-r,PV2R1-14-F-RAA-41,PV2R1-14-F-RAA-43,PV2R1-14-F-RAR-43,pv2r1-17,PV2R1-17-F-RAA-41,PV2R1-17-F-RAA-43,pv2r1-17-f-ral-41,pv2r1-17-l-raa-41,PV2R1-19-F-RAA-41,PV2R1-19-F-RAA-43,PV2R12-10-41-F-REAA-43,PV2R12-12-26-F-REAA-43,PV2R12-12-26-F-REAR-42,PV2R12-12-53-F-RELA-43,PV2R12-14-53-F-REAA-43,PV2R12-14-53-F-RFAR-43,PV2R12-19-41-F-REAA-43,PV2R12-19-65-F-REAA-43,PV2R12-23-59-F-REAA-43,PV2R12-25-33-F-REAA-43,PV2R12-25-47-F-REAA-43,PV2R12-25-59-F-REAA-43,pv2r1-23,PV2R12-31-33-F-REAA-43,PV2R12-31-33-F-REAR-4326,PV2R12-31-59-F-REAA-43,PV2R12-31-65-F-REAA-43,pv2r1-23-f-raa-41,PV2R1-23-F-RAA-43,pv2r1-25-f-raa,PV2R1-25-F-RAA-41,PV2R1-25-F-RAA-43,pv2r1-25-l-raa-41,PV2R12-6-59-F-REAA-43,PV2R12-6-65-F-REAA-43,PV2R12-8-33-F-RFAR-43,pv2r1-28-f-raa-41,pv2r1-31,PV2R13-10-116-F-REAA-43,PV2R1-31-F-RAA41,pv2r1-31-f-raa-41,PV2R1-31-F-RAA-43,pv2r1-31-f-rab-41,PV2R1-31-L-RAA-43,pv2r1-6-f-raa,pv2r1-6-f-raa-40,PV2R1-6-F-RAA-41,pv2r1-6-f-raa-4222,PV2R1-6-F-RAA-43,pv2r1-6-l-raa-41,pv2r1-8,pv2r1-8-f-raa-41,PV2R1-8-F-RAA-43,PV2R2-,pv2r2-26,pv2r2-26-f-raa,pv2r2-26-f-raa-41,pv2r2-33,pv2r2-33-f-r,pv2r2-33-f-raa-41,pv2r2-33-f-rar-41,PV2R23-41-116-F-RAAA-41,PV2R23-41-94-F-REAA-41,pv2r2-41-f-raa,pv2r2-41-f-raa-40,PV2R2-41-F-RAA-41,pv2r2-41-l-raa-41,PV2R24-33-136-F-REAA-31,pv2r2-47,pv2r2-47-f-r,PV2R2-47-F-RAA-41,PV2R24A-41-FRAAA-10,pv2r2-53-f-r,PV2R2-53-F-RAA-41,PV2R2-59-F-RAA-41,pv2r2-59-f-rab-41,pv2r2-65,PV2R2-65-F-RAA-41,pv2r2-65-f-raa-4118,PV2R2-65-F-RAL-41,PV2R2-75-F-RAA-4103,PV2R3,pv2r3-116-f-raa-31,PV2R3-116-F-RLB-31,pv2r3-116-l-raa-31,pv2r3-116-l-rab-31,pv2r3-125-f-raa-31,PV2R3-136-F-RAA-31,PV2R34-116-153-L-REAA-31,pv2r34-116-237,PV2R34A-76-FRAAA-10,pv2r3-52,pv2r3-52-f-raa-31,pv2r3-52-l-raa-31,pv2r3-60-f-raa-31,pv2r3-66-l-raa-31,pv2r3-76,PV2R3-76-F-RAA-31,pv2r3-76-l-raa-31,pv2r3-85-f-raa-31,PV2R3-94-F-RAA-31,PV2R3-94-F-RLB-31,pv2r3-94-l-raa-31,PV2R4-136-F-RAA-30,PV2R4-153F-RAA-30,pv2r4-153-f-raa-30,PV2R4-184F-RAA-30,pv2r4-184-f-raa-30,PV2R4-184-F-RAAA-30,pv2r4-184-f-ral-30,pv2r4-184-l-raa-30,pv2r4-184-l-ral-30,PV2R4-200F-RAA-30,pv2r4-200-f-raa-30,pv2r4-200-l-raa-30,pv2r4-237,PV2R4-237F-RAA-30,pv2r4-237-f-raa-30,pv2r4-237-f-ral-30,PV2R4A-138-FRAA-10,PV2R4A-162-FRAA-10,PV2R4A-193-FRAA-10,PV2RPV2R12-10-41-F-REAA-43,PV2RPV2R12-12-26-F-REAA-43,PV2RPV2R12-12-26-F-REAR-42,PV2RPV2R12-12-53-F-RELA-43,PV2RPV2R12-14-53-F-REAA-43,PV2RPV2R12-14-53-F-RFAR-43,PV2RPV2R12-19-41-F-REAA-43,PV2RPV2R12-19-65-F-REAA-43,PV2RPV2R12-23-59-F-REAA-43,PV2RPV2R12-25-33-F-REAA-43,PV2RPV2R12-25-47-F-REAA-43,PV2RPV2R12-25-59-F-REAA-43,PV2RPV2R12-31-33-F-REAA-43,PV2RPV2R12-31-59-F-REAA-43,PV2RPV2R12-31-65-F-REAA-43,PV2RPV2R12-6-59-F-REAA-43,PV2RPV2R12-6-65-F-REAA-43,PV2RPV2R12-8-33-F-RFAR-43,PV2RPV2R13-10-116-F-REAA-43,PV2RPV2R23-41-116-F-RAAA-41,PV2RPV2R23-41-94-F-REAA-41,PV2RPV2R24-33-136-F-REAA-31,PV2RPV2R34-116-153-L-REAA-31
YBE-8,YBE-16,YBE-25,YBE-32,YBE-40,YBE-50,YBE-63,YBE-80,YBE-100,YBE-125,YBE-160,YBE-200
2520V15A6-1AB22R,2520V14A2-1AC22R,2520V14A3-1AB22R,2520V14A3-1AD22R,2520V14A4-1AC22R,2520V14A5-1AB22R,2520V14A8-1AD22R,2520V14A9-1AC22R,2520V15A10-1AC22R,2520V14A12-1AC22R,2520V14A14-1AB22R,2520V14A14-1AD22R,2520V10A9-1AB22R,4535VQ60A35-1BB22R,4535VQ60A25-86DB22R,4535VQ50A35-1BB22R,4535VQ60A25-86DA22R,2520V12A12-1AB22R,2520V10A8-1AB22R,2520V10A8-1AD22R,2520V10A7-1AD22R,2520V10A9-1AC22R,45VQ60A-1D22L,2520V10A10-1AB22R,2520V10A14-1AC22R,2520V10A2-1AB22R,2520V10A12-1AB22R,2520V10A12-1AD22R
4535VQ66A38-86AA22R
45VQ42A-86B22R,45VQ42A-86A22R,2520V10A10-1AC22R,45VQ60A-1C22L
2520V12A7-1AC22R,2520V12A6-1AD22R,2520V12A7-1AB22R,2520V12A9-1AB22R,2520V12A8-1AB22R,2520V12A9-1AD22R,2520V12A3-1AB22R,2520V12A2-1AB22R,2520V14A11-1AD22R,2520V14A11-1AB22R,2520V14A10-1AC22R,2520V10A4-1AB22R,2520V10A4-1AC22R,2520V12A10-1AD22R,2520V12A12-1AD22R,2520V12A11-1AB22R,2520V10A7-1AC22R,2520V10A6-1AB22R,2520V10A5-1AB22R,2520V10A2-1AC22R,2520V10A6-1AD22R
4520VQ45A5-1BB22R,4520VQ42A12-86DD22R,4520VQ50A11-1CC22R
35VQ30A-1D22R,4520VQ42A11-1AB22R,35VQ38A-1A22L,3525VQ38A21-86BB22R,35VQ25A-1B22R
3525VQ38A17-1AA22R,3525VQ35A14-1CC22R,3525VQ38A14-11AA22R
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大型液压系统对液压油的性能要求
液压油是大型液压系统中传递能量的工作介质。在液压泵(液压马达)、液压控制阀、液压缸以及油管等连接起来的密封的液压系统中,能量的传递是通过液压油流动过程中的压力、流量变化来实现的。液压油流经液压系统中的所有管道、小孔、缝隙、开口,因此液压油的品质优劣和是否选用正确,对于大型液压系统,起着十分重要的作用。
液压油除了在液压系统中传递能量之外,还应具有其它一些功能,如润滑作用、密封作用、冷却作用、防锈作用等。在液压元件中,由于部件相互作用存在着各种各样的运动。它们或者是旋转运动,或者是往复运动,都存在着摩擦,因此需要适当的润滑。这种润滑不必另添加润滑剂,而是由液压系统中的液压油来实现的。液压元件的配合面之间不可避免地存在着间隙,这种间隙对液压系统的压力有较大影响,间隙之间的油膜除了具有润滑作用外,还起着密封的作用,可以防止液压件有较大的泄漏,保持系统中的压力。液压系统中的油液是循环的,发热的油液在循环过程中流经管道和油箱,外露的管道和一定容积的油箱可使油液散热,得到适当的冷却,起到冷却系统的作用。液压油在系统中还可对金腐件起到防锈作用,使金属零件经常处于油液的防锈保护之下。

科学技术的发展和工程的实际应用,对液压系统提出了越来越高的要求,特别是要求液压系统向高压力、大流量方向发展,大型液压系统的工作条件随油的压力、流量变化而在不断变化的,同时液压油性质要求相对稳定,能够有较长的使用期限,因此,苏州逐利告诉大家大型液压系统对油液的性能提出了明确的要求。具体有几下几点。
1、液压油的润滑性
为了减少功率损耗,提高液压系统的性能,使液压元件摩擦副具有良好的润滑性能是非常必要的。液压油的润滑性是防止液压元件发生卡紧和干摩擦现象的必备条件。另外,液压泵和液压马达在启动时,液压油的润滑作用是否充分,对其启动性能特性的影响很大。
2、液压油的粘性
液压油在流动的过程中具有一定的粘性。这种粘性保证了油液的连续流动,保证了油液的压力和流量,同时,也使液压油起到润滑、密封、冷却、防锈等作用。但是,不同的液压系统和不同的工作条件,对油液的粘性有着不同的要求,液压油的粘性大小是通过粘度来表示的。一般说来,合适的油液粘性能使液压泵具有良好的吸油能力,能使液压系统的压力损失减少,能使摩擦副有着良好的润滑作用,因此要求液压油在压力、温度和剪切力的作用下,粘度变化较小。
3、液压油的安定性
由于液压油中含有少量的水分,同时不可避免地与空气接触,因此液压系统在高压、高温工作条件下,液压油会因湿度升高而产生氧化、水解等作用,使油液内生成腐蚀性物质。这种有害物质会堵塞过滤装置,使系统的过滤性能下降,因此液压系统希望其油液具有抗氧化和抗水解的安定性,使系统中的有害腐蚀物质生成量尽量小,以延长液压油的使用寿命。
4、液压油的压缩性
在研究液压系统的静态特性时,通常可以认为液压油是不可压缩的液体.但在考虑液压系统的动态特性,如伺服系统的瞬时动态响应时,液压油的可压缩性就是影响其动态特性的重要因素之一。因此,液压系统要求液压油的可压缩性尽量小。
5、液压油的防锈性和抗腐蚀性
在水和空气的作用下,液压元件的金属表面会发生锈蚀和腐蚀。锈蚀和腐蚀所产生的颗粒会在液压系统中循环,引起运动表面的磨损,使液压系统发生故障。因此要求液压油有较强的防锈性和抗腐蚀性,使金属表面不生锈,不腐蚀。
6、液压油的消泡性
液压油中含有少量的空气,会使油液中产生气泡和泡沫。这种气泡和泡沫会使液压系统产生振动和噪声,使系统的性能急剧下降,因此液压系统要求液压油产生的气泡和泡沫要尽量少,而且消失要快。
7、液压油的抗乳化性
由于液压油在工作过程中会混入少量的水,含水的液压油在高速激烈的搅拌下会产生乳化液。液压油中出现乳化液,会产生沉淀,或生成其它沉淀物,这对液压系统是十分有害的。因此,液压油要有良好的抗乳化性能,并且使油与水容易分离。
8、液压油的相容性
液压油长期与密封件或软管接触,而密封件和软管大多用橡胶材料做成,因此希望液压油与橡胶材科具有良好的相容性。即液压油对密封件和软管不起变质作用,使密封件和软管尽量不变形,不变质。
9、液压油的抗燃性
液压油应具有燃点高、挥发性小的性能,有良好的抗燃性,保证液压系统在高温条件下的工作安全。
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