Working pressure A or B port pressure rated pressure --PN = 35MPa maximum pressure --Pmax = 40MPa A, B port pressure is no greater than 63MPa domestic pumps, each side of the inlet pressure up to 40MPa ● oil pressure to allow the maximum housing drain pressure (T ports) - Pabs = 0.2MPa ● working medium and conditions: mineral oil: 40 low pour hydraulic oil Working temperature: -25 ℃ -80 ℃ viscosity range: 10 ~ 1000mm2 / s (10,1000mm2 / s optimum viscosity for short-term use): 16 ~ 25mm2 / s recommended filtering accuracy 10μm pump refinement, coarse filter 25 ~ 40μm can also be used, but may be extended with 10μm filter motor oil life. Flow clockwise rotation: A to B counterclockwise rotation: B to A ● Technical Data Sheet (theoretical value, not considered ηm and ηv) Size 28 5,580,107,160,225,468 displacement Vgmax α = 25 ° (ml / r) 28.1 54.8 80 107 160 225 468Vgmin α = 70 ° (ml / r) 8.1 15.8 23 30.8 46 64.8 135 allows maximum flow Qmax (l / min) 133 206 268 321 424 531 889 at maximum speed nmax Vgmax (r / min) 4750 3750 3350 3000 2650 2360 1900nmax at Vg repair hydraulic pumps, hydraulic pumps, hydraulic preferred by the Jinan Jing Jing Chong Chong Hydraulic Machinery Limited. Jinan Jing Chong Hydraulic Machinery Co., Ltd. (www.jnjcyy.com) (www.jnjcyy.com) strong, credible, in Jinan, Shandong mining machinery industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead crystal create hydraulic and you hand into the brilliant, for a better future!