External Gear Pumps

External Gear Pumps
External Gear Pumps
External Gear Pumps
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Hydraulic pumps
Technical Information
  • Displacement: 10~45cm³/rev.
  • Rotation direction: clockwise (D), counter-clockwise(S)
  • Min. speed: 400~800r/min
  • Max. speed: 2500 ~4000r/min
  • Peak pressure: 200 ~290bar
Served Industry
  • Internal combustion forklift
Features
  • Low noise, high efficiency, long life service
  • High performance even at low speeds
  • Multiple oil port and shaft extension options available
  • Leakage-free shaft seal
Group 2.5 External Gear Pump Technical Parameter
Displacement Suction absolute pressure Max. continuous pressure Max. intermittent pressure Max. peak pressure Min. speed Max. speed Volumetric efficiency
Y Pe P1 P2 P3 nmin nmax ηv
cm³/rev. bar t/min %
10 0.7...3 250 270 290 800 4000 ≥91
12.5
14 700 ≥92
16 3500
18 600
19 ≥93
20 500
23 230 250 260
25 ≥94
26.5
28
30 400 3000
32 200 230 250
36 2750 ≥95
40 160 180 200 2500
45
Group 2.5 External Gear Pump Ordering Code Rules
Standard Dimensions of Group 2.5 External Gear Pumps
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet Outlet
P1 P2 P3 M L D d
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm
10 250 270 290 4000 800 4.1 110 53.3 Z0 M22x1.5 M18x1.5
12.5 250 270 290 4000 800 4.3 113 54.8 Z0 M22x1.5 M18x1.5
14 250 270 290 4000 700 4.5 115 55.8 Z0 M22x1.5 M18x1.5
16 250 270 290 3500 700 4.7 118 57.1 Z1 M27x2 M22x1.5
18 250 270 290 3500 600 4.9 120 58.3 Z1 M27x2 M22x1.5
19 250 270 290 3500 600 5 121 58.8 Z1 M27x2 M22x1.5
20 250 270 290 3500 500 5.1 123 59.6 Z1 M27x2 M22x1.5
23 230 250 260 3500 500 5.25 126 61.3 Z2 M33x2 M27x2
25 230 250 260 3500 500 5.45 129 62.6 Z2 M33x2 M27x2
26.5 230 250 260 3500 500 5.6 131 63.6 Z2 M33x2 M27x2
28 230 250 260 3500 500 5.75 133 64.6 Z2 M33x2 M27x2
30 230 250 260 3000 400 5.95 135 65.6 Z2 M33x2 M27x2
32 200 230 250 3000 400 6.15 138 67.1 Z2 M33x2 M27x2
36 200 230 250 2750 400 6.55 142 69.1 Z2 M33x2 M27x2
40 160 180 200 2500 400 6.9 148 71.6 Z2 M33x2 M27x2
45 160 180 200 2500 400 7.45 153 74.6 Z2 M33x2 M27x2
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet Outlet
P1 P2 P3 M L A B D a b d
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm mm mm mm mm mm
10 250 270 290 4000 800 4.1 110 53.3 F0 47.6 22.2 20 47.6 22.2 13
12.5 250 270 290 4000 800 4.3 113 54.8 F0 47.6 22.2 20 47.6 22.2 13
14 250 270 290 4000 700 4.5 115 55.8 F0 47.6 22.2 20 47.6 22.2 13
16 250 270 290 3500 700 4.7 118 57.1 F0 47.6 22.2 20 47.6 22.2 13
18 250 270 290 3500 600 4.9 120 58.3 F1 52.4 26.2 25 47.6 22.2 20
19 250 270 290 3500 600 5 121 58.8 F1 52.4 26.2 25 47.6 22.2 20
20 250 270 290 3500 500 5.1 123 59.6 F1 52.4 26.2 25 47.6 22.2 20
23 230 250 260 3500 500 5.25 126 61.3 F1 52.4 26.2 25 47.6 22.2 20
25 230 250 260 3500 500 5.45 129 62.6 F1 52.4 26.2 25 47.6 22.2 20
26.5 230 250 260 3500 500 5.6 131 63.6 F1 52.4 26.2 25 47.6 22.2 20
28 230 250 260 3500 500 5.75 133 64.6 F1 52.4 26.2 25 47.6 22.2 20
30 230 250 260 3000 400 5.95 135 65.6 F1 52.4 26.2 25 47.6 22.2 20
32 200 230 250 3000 400 6.15 138 67.1 F1 52.4 26.2 25 47.6 22.2 20
36 200 230 250 2750 400 6.55 142 69.1 F1 52.4 26.2 25 47.6 22.2 20
40 160 180 200 2500 400 6.9 148 71.6 F1 52.4 26.2 25 47.6 22.2 20
45 160 180 200 2500 400 7.45 153 74.6 F1 52.4 26.2 25 47.6 22.2 20
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