External Gear Pumps

External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
External Gear Pumps
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Hydraulic pumps
Technical Information
  • Displacement: 3~30cm³/rev.
  • Rotation direction: clockwise (D), counter-clockwise(S), reversible (R)
  • Min. speed: 400~800r/min
  • Max. speed: 2500~4000r/min
  • Peak pressure: 180~300bar
Served Industry
  • Agricultural machinery, Construction machinery, Aerial work platform, Hydraulic system

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
  • Optional built-in overflow valve
  • Optional reversible pump and motor
Group 2 External Gear Pump Technical Parameter
Displacement Suction absolute pressure Max. continuous pressure Max. intermittent pressure Max. peak pressure Min. speed Max. speed Volumetric efficiency
V Pe P1 P2 P3 nmin nmax ηv
cm³/rev bar r/min %
3 0.7...3 270 285 300 800 4000 ≥91
4 600
6
8 500 3500
10 ≥92
12
14 250 265 280 3200
16
18 400 ≥93
20 220 235 250
22 3000
25 200 215 230 ≥95
28 180 190 200 2500
30 160 170 180
Group 2 External Gear Pump Ordering Code Rules
Standard Dimensions of Group 2 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
3 270 285 300 4000 800 3.35 91.1 43.6 U0 1/16-12UNF 7/8-14UNF
4 270 285 300 4000 600 3.4 92.7 44.4 U0 1/16-12UNF 7/8-14UNF
6 270 285 300 4000 600 3.5 96 46 U0 1/16-12UN F 7/8-14UNF
8 270 285 300 3500 500 3.6 99.3 47.7 U0 1/16-12UNF 7/8-14UNF
10 270 285 300 3500 500 3.7 102.6 49.3 U0 1/16-12UNF 7/8-14UNF
12 270 285 300 3500 500 3.8 105.9 51 U0 1/16-12UNF 7/8-14UNF
14 250 265 280 3500 500 3.9 109.3 52.7 U0 1/16-12UNF 7/8-14UNF
16 250 265 280 3500 500 4 112.7 54.4 U0 1/16-12UNF 7/8-14UNF
18 250 265 280 3200 400 4.1 116 56 U0 11/16-12UNF 7/8-14UNF
20 220 235 250 3200 400 4.2 119.3 57.7 U0 1/16-12UNF 7/8-14UNF
22 220 235 250 3000 400 4.3 122.6 59.3 U0 1 1/16-12UNF 7/8-14UNF
25 200 215 230 3000 400 4.45 127.6 61.8 U0 1/16-12UNF 7/8-14UNF
28 180 190 200 2500 400 4.6 132.6 64.3 U0 1 1/16-12UNF 7/8-14UNF
30 160 170 180 2500 400 4.7 135.9 66 U1 5/16-12UNF 7/8-14UNF
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet Outlet
P1 P2 P3 B D H b d h
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm mm mm
3 270 285 300 4000 800 3.35 91.1 43.6 E0 30 13 M6 30 13 M6
4 270 285 300 4000 600 3.4 92.7 44.4 E0 30 13 M6 30 13 M6
6 270 285 300 4000 600 3.5 96 46 E0 30 13 M6 30 13 M6
8 270 285 300 3500 500 3.6 99.3 47.7 E0 30 13 M6 30 13 M6
10 270 285 300 3500 500 3.7 2.6 49.3 E1 40 20 M8 30 13 M6
12 270 285 300 3500 500 3.8 105.9 51 E1 40 20 M8 30 13 M6
14 250 265 280 3500 500 3.9 9.3 52.7 E1 40 20 M8 30 13 M6
16 250 265 280 3500 500 4 12.7 54.4 E1 40 20 M8 30 13 M6
18 250 265 280 3200 400 4.1 116 56 E1 40 20 M8 30 13 M6
20 220 235 250 3200 400 4.2 19.3 57.7 E1 40 20 M8 30 13 M6
22 220 235 250 3000 400 4.3 122.6 59.3 E1 40 20 M8 30 13 M6
25 200 215 230 3000 400 4.45 127.6 61.8 E2 40 22 M8 30 13 M6
28 180 190 200 2500 400 4.6 132.6 64.3 E2 40 22 M8 30 13 M6
30 160 170 180 2500 400 4.7 135.9 66 E2 40 22 M8 30 13 M6
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
3 270 285 300 4000 800 3.35 91.1 43.6 Z0 M14X1.5 M14X1.5
4 270 285 300 4000 600 3.4 92.7 44.4 Z0 M14X1.5 M14X1.5
6 270 285 300 4000 600 3.5 96 46 Z1 M20X1.5 M18X1.5
8 270 285 300 3500 500 3.6 99.3 47.7 Z1 M20X1.5 M18X1.5
10 270 285 300 3500 500 3.7 102.6 49.3 Z1 M20X1.5 M18X1.5
12 270 285 300 3500 500 3.8 105.9 51 Z1 M20X1.5 M18X1.5
14 250 265 280 3500 500 3.9 109.3 52.7 Z1 M20X1.5 M18X1.5
16 250 265 280 3500 500 4 112.7 54.4 Z1 M20X1.5 M18X1.5
18 250 265 280 3200 400 4.1 116 56 Z1 M20X1.5 M18X1.5
20 220 235 250 3200 400 4.2 119.3 57.7 Z3 M24X1.5 M22X1.5
22 220 235 250 3000 400 4.3 122.6 59.3 Z3 M24X1.5 M22X1.5
25 200 215 230 3000 400 4.45 127.6 61.8 Z3 M24X1.5 M22X1.5
28 180 190 200 2500 400 4.6 132.6 64.3 Z3 M24X1.5 M22X1.5
30 160 170 180 2500 400 4.7 135.9 66 Z3 M24X1.5 M22X1.5
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet
P1 P2 P3 M L D
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm
3 270 285 300 4000 800 3.35 91.1 39.9 F0 15
4 270 285 300 4000 600 3.4 92.7 39.9 F0 15
6 270 285 300 4000 600 3.5 96 41.1 F0 15
8 270 285 300 3500 500 3.6 99.3 43.2 F0 15
10 270 285 300 3500 500 3.7 102.6 43.7 F1 20
12 270 285 300 3500 500 3.8 105.9 47.5 F1 20
14 250 265 280 3500 500 3.9 109.3 47.5 F1 20
16 250 265 280 3500 500 4 112.7 47.5 F1 20
18 250 265 280 3200 400 4.1 116 47.5 F1 20
20 220 235 250 3200 400 4.2 119.3 47.5 F1 20
22 220 235 250 3000 400 4.3 122.6 55.1 F1 20
25 200 215 230 3000 400 4.45 127.6 61.8 F1 20
28 180 190 200 2500 400 4.6 132.6 64.3 F1 20
30 160 170 180 2500 400 4.7 135.9 66 F1 20
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet
P1 P2 P3 M L D
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm
3 270 285 300 4000 800 3.35 88.6 37.4 F0 15
4 270 285 300 4000 600 3.4 90.2 37.4 F0 15
6 270 285 300 4000 600 3.5 93.5 38.6 F0 15
8 270 285 300 3500 500 3.6 96.8 40.7 F0 15
10 270 285 300 3500 500 3.7 100.1 41.2 F1 20
12 270 285 300 3500 500 3.8 103.4 45 F1 20
14 250 265 280 3500 500 3.9 106.8 45 F1 20
16 250 265 280 3500 500 4 110.2 45 F1 20
18 250 265 280 3200 400 4.1 113.5 45 F1 20
20 220 235 250 3200 400 4.2 116.8 45 F1 20
22 220 235 250 3000 400 4.3 120.1 52.6 F1 20
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet
P1 P2 P3 M L D
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm
3 270 285 300 4000 800 3.35 88.6 37.4 F0 15
4 270 285 300 4000 600 3.4 90.2 37.4 F0 15
6 270 285 300 4000 600 3.5 93.5 38.6 F0 15
8 270 285 300 3500 500 3.6 96.8 40.7 F0 15
10 270 285 300 3500 500 3.7 100.1 41.2 F1 20
12 270 285 300 3500 500 3.8 103.4 45 F1 20
14 250 265 280 3500 500 3.9 106.8 45 F1 20
16 250 265 280 3500 500 4 110.2 45 F1 20
18 250 265 280 3200 400 4.1 113.5 45 F1 20
20 220 235 250 3200 400 4.2 116.8 45 F1 20
22 220 235 250 3000 400 4.3 120.1 52.6 F1 20
25 200 215 230 3000 400 4.45 125.1 59.3 F1 20
28 180 190 200 2500 400 4.6 130.1 61.8 F1 20
30 160 170 180 2500 400 4.7 133.4 63.5 F1 20
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet
P1 P2 P3 M L D
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm
3 270 285 300 4000 800 3.35 88.6 37.4 F0 15
4 270 285 300 4000 600 3.4 90.2 37.4 F0 15
6 270 285 300 4000 600 3.5 93.5 38.6 F0 15
8 270 285 300 3500 500 3.6 96.8 40.7 F0 15
10 270 285 300 3500 500 3.7 100.1 41.2 F1 20
12 270 285 300 3500 500 3.8 103.4 45 F1 20
14 250 265 280 3500 500 3.9 106.8 45 F1 20
16 250 265 280 3500 500 4 110.2 45 F1 20
18 250 265 280 3200 400 4.1 113.5 45 F1 20
20 220 235 250 3200 400 4.2 116.8 45 F1 20
22 220 235 250 3000 400 4.3 120.1 52.6 F1 20
25 200 215 230 3000 400 4.45 125.1 59.3 F1 20
28 180 190 200 2500 400 4.6 130.1 61.8 F1 20
30 160 170 180 2500 400 4.7 133.4 63.5 F1 20
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet Outlet
P1 P2 P3 M D d
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm
3 270 285 300 4000 800 3.4 103.1 U0 1/16-12UNF 7/8-14UNF
4 270 285 300 4000 600 3.45 104.7 U0 1/16-12UNF 7/8-14UNF
6 270 285 300 4000 600 3.55 108 U0 1/16-12UNF 7/8-14UNF
8 270 285 300 3500 500 3.65 111.3 U0 1/16-12UNF 7/8-14UNF
10 270 285 300 3500 500 3.75 114.6 U0 1/16-12UNF 7/8-14UNF
12 270 285 300 3500 500 3.85 117.9 U0 1/16-12UNF 7/8-14UNF
14 250 265 280 3500 500 3.95 121.3 U0 1/16-12UNF 7/8-14UNF
16 250 265 280 3500 500 4.05 124.7 U0 1/16-12UNF 7/8-14UNF
18 250 265 280 3200 400 4.15 128 U0 1/16-12UNF 7/8-14UNF
20 220 235 250 3200 400 4.25 131.3 U0 1/16-12UNF 7/8-14UNF
22 220 235 250 3000 400 4.35 134.6 U0 1/16-12UNF 7/8-14UNF
25 200 215 230 3000 400 4.5 139.6 U0 1/16-12UNF 7/8-14UNF
28 180 190 200 2500 400 4.65 144.6 U0 1/16-12UNF 7/8-14UNF
30 160 170 180 2500 400 4.75 147.9 U0 1/16-12UNF 7/8-14UNF
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet
P1 P2 P3 M L D
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm
3 100.18 2..30 4000 800 4.1 113.1 43.6 93.6 W4 1/16-12UNF
4 4000 600 4.15 114.7 44.4 95.2 W4 1/16-12UNF
6 4000 600 4.25 118 46 98.5 W4 1/16-12UNF
8 3500 500 4.35 121.3 47.7 101.8 U4 1/16-12UNF
10 3500 500 4.45 124.6 49.3 105.1 W4 1/16-12UNF
12 3500 500 4.55 127.9 51 108.4 W4 1/16-12UNF
14 3500 500 4.65 131.3 52.7 111.8 W4 11/16-12UNF
16 3500 500 4.75 134.7 54.4 115.2 W4 1/16-12UNF
18 3200 400 4.35 138 56 118.5 W4 1/16-12UNF
20 3200 400 4.45 141.3 57.7 121.8 W4 1/16-12UNF
22 3000 400 4.55 144.6 59.3 125.1 W4 1/16-12UNF
25 3000 400 4.7 149.6 61.8 130.1 UJ4 1/16-12UNF
28 2500 400 4.85 154.6 64.3 135.1 UJ4 1/16-12UNF
30 2500 400 5.05 157.9 66 138.4 W5 5/16-12UNF
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet
P1 P2 P3 M L D
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm
3 270 285 300 4000 800 3.35 91.1 43.6 L0 G1/2
4 270 285 300 4000 600 3.4 92.7 44.4 L0 G1/2
6 270 285 300 4000 600 3.5 96 46 L0 G1/2
8 270 285 300 3500 500 3.6 99.3 47.7 L1 G3/4
10 270 285 300 3500 500 3.7 102.6 49.3 L1 G3/4
12 270 285 300 3500 500 3.8 105.9 51 L1 G3/4
14 250 265 280 3500 500 3.9 109.3 52.7 L1 G3/4
16 250 265 280 3500 500 4 112.7 54.4 L1 G3/4
18 250 265 280 3200 400 4.1 116 56 L1 G3/4
20 220 235 250 3200 400 4.2 119.3 57.7 L1 G3/4
22 220 235 250 3000 400 4.3 122.6 59.3 L1 G3/4
25 200 215 230 3000 400 4.45 127.6 61.8 L1 G3/4
28 180 190 200 2500 400 4.6 132.6 64.3 L1 G3/4
30 160 170 180 2500 400 4.7 135.9 66 L1 G3/4
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet
P1 P2 P3 M L B D H
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm mm mm
3 270 285 300 4000 800 3.35 123.1 75.6 F13 40 20 M6
4 270 285 300 4000 600 3.4 124.7 76.4 F13 40 20 M6
6 270 285 300 4000 600 3.5 128 78 F13 40 20 M6
8 270 285 300 3500 500 3.6 131.3 79.7 F13 40 20 M6
10 270 285 300 3500 500 3.7 134.6 81.3 F13 40 20 M6
12 270 285 300 3500 500 3.8 137.9 83 F13 40 20 M6
14 250 265 280 3500 500 3.9 141.3 84.7 F13 40 20 M6
16 250 265 280 3500 500 4 144.7 86.4 F13 40 20 M6
18 250 265 280 3200 400 4.1 148 88 F13 40 20 M6
20 220 235 250 3200 400 4.2 151.3 89.7 F13 40 20 M6
22 220 235 250 3000 400 4.3 154.6 91.3 F13 40 20 M6
25 200 215 230 3000 400 4.45 159.6 93.8 F13 40 20 M6
28 180 190 200 2500 400 4.6 164.6 96.3 F13 40 20 M6
30 160 170 180 2500 400 4.7 167.9 98 F13 40 20 M6
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