Tandem Hydraulic Pumps Sauer Danfoss Hydraulic Pumps for Construction Machinery

Min.Order: 1
Product origin: Jining, Shandong, China
Infringement complaint: complaintComplaint
US$ 1200 ~ 1500

Description
Series 90 axial piston variable displacement pumps are of cradle swash plate design with variable displacement, and are intended for closed circuit applications. The flow rate is proportional to the pump input speed and displacement. The latter is infinitely adjustable between zero and maximum displacement. Flow direction is reversed by tilting the swash plate to the opposite side of the neutral (zero displacement) position.

Closed circuit
Size 030 042 055 075 100 130 180 250
Series 90
Maximum loads of 480 bar (6960 psi)
Controls device: CA, DC, DD, KA , KP, HF, MA, MB, etc.


Technical Data 
Table of values (theoretical values, without efficiency and tolerances; values rounded)          
Sauer 90Dimension90R03090R04290R05590R07590R10090R13090R18090R250
90L03090L04290L05590L07590L10090L13090L18090L250
Displacementcm330425575100130180250
in31.832.563.354.576.17.9310.9815.25
Input speedMinimummin-1 (rpm)500500500500500500500500
Ratedmin-1 (rpm)4 2004 2003 9003 6003 3003 1002 6002 300
Maximummin-1 (rpm)4 6004 6004  2503 9503 6503  4002  8502 500
Max. Attainablemin-1 (rpm)5 0005 0004 7004 3004 0003 7003 1502 750
TheoreticalNm/bar0.480.670.881.191.592.072.873.97
Torquein lb/1000 psi2904105307309701 2601 7502 433
Mass moment of inertia of the int. rotating partskg m20.00230.00390.0060.00960.0150.0230.0380.065
lb • ft20.05460.09260.14240.2280.3560.5460.9021.543
Weight (with MA Control)kg283440496888136154
lb627588108150195300340




 
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