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: 1.4~13.8cm³/rev.
  • Rotation direction: clockwise (D), counter-clockwise(S), reversible (R)
  • Min. speed: 600~800r/min
  • Max. speed: 1800~6000r/min
  • Peak pressure: 180~290bar
Served Industry
  • 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 reversible pump and motor
Group 1.25 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/nin %
1.4 0.7...3 250 270 290 800 6000 ≥90
2.1 ≥91
2.8 5000
3.5
4.1 600 4000
5.2 230 245 260 ≥92
6.2 3800
7.6 200 215 230 3200
9.3 180 195 210 2600
11 170 185 200 2200 ≥94
13.8 150 165 180 1800
Group 1.25 External Gear Pump Ordering Code Rules
Standard Dimensions of Group 1.25 External Gear Pumps
Displacement Max. pressure Max. speed Min. speed Weight Dimensions Oil port code Inlet Outlet
P1 P2 P3 M L B D H b d h
(cm³/rev.) bar bar bar (r/min) (r/min) Kg mm mm   mm mm   mm mm  
1.4 250 270 290 6000 800 1.80 80.5 40 E0 30 13 M6 30 13 M6
2.1 250 270 290 6000 800 1.835 82.5 41 E0 30 13 M6 30 13 M6
2.8 250 270 290 5000 800 1.87 84.5 42 E0 30 13 M6 30 13 M6
3.5 250 270 290 5000 800 1.905 86.5 43 E0 30 13 M6 30 13 M6
4.1 250 270 290 4000 800 1.94 88.5 44 E0 30 13 M6 30 13 M6
5.2 230 245 260 4000 800 2.02 91.5 45.5 E0 30 13 M6 30 13 M6
6.2 230 245 260 3800 800 2.1 94.5 47 E0 30 13 M6 30 13 M6
7.6 200 215 230 3200 600 2.17 98.5 49 E0 30 13 M6 30 13 M6
9.3 180 195 210 2600 600 2.25 103.5 51.5 E0 30 13 M6 30 13 M6
11.0 170 185 200 2200 600 2.345 108.5 54 E0 30 13 M6 30 13 M6
13.8 150 165 180 1800 600 2.485 116.5 58 E0 30 13 M6 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      
1.4 250 270 290 6000 800 1.80 80.5 40 L0 G1/2 G3/8
2.1 250 270 290 6000 800 1.835 82.5 41 L0 G1/2 G3/8
2.8 250 270 290 5000 800 1.87 84.5 42 L0 G1/2 G3/8
3.5 250 270 290 5000 800 1.905 86.5 43 L0 G1/2 G3/8
4.1 250 270 290 4000 800 1.94 88.5 44 L3 G3/4 G1/2
5.2 230 245 260 4000 800 2.02 91.5 45.5 L3 G3/4 G1/2
6.2 230 245 260 3800 800 2.1 94.5 47 L3 G3/4 G1/2
7.6 200 215 230 3200 600 2.17 98.5 49 L3 G3/4 G1/2
9.3 180 195 210 2600 600 2.25 103.5 51.5 L3 G3/4 G1/2
11.0 170 185 200 2200 600 2.345 108.5 54 L3 G3/4 G1/2
13.8 150 165 180 1800 600 2.485 116.5 58 L3 G3/4 G1/2
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      
1.4 250 270 290 6000 800 1.9 98 59 U0 3/4-16UNF 9/16-18UNF
2.1 250 270 290 6000 800 1.94 100 60 U0 3/4-16UNF 9/16-18UNF
2.8 250 270 290 5000 800 1.97 102 61 U0 3/4-16UNF 9/16-18UNF
3.5 250 270 290 5000 800 2.01 104 62 U0 3/4-16UNF 9/16-18UNF
4.1 250 270 290 4000 800 2.04 106 63 U0 3/4-16UNF 9/16-18UNF
5.2 230 245 260 4000 800 2.15 109 64.5 U0 3/4-16UNF 9/16-18UNF
6.2 230 245 260 3800 800 2.2 112 66 U0 3/4-16UNF 9/16-18UNF
7.6 200 215 230 3200 600 2.27 116 68 U1 7/8-14UNF 3/4-16UNF
9.3 180 195 210 2600 600 2.35 121 70.5 U1 7/8-14UNF 3/4-16UNF
11 170 185 200 2200 600 2.45 126 73 U1 7/8-14UNF 3/4-16UNF
13.8 150 165 180 1800 600 2.6 134 77 U1 7/8-14UNF 3/4-16UNF
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      
1.4 250 270 290 6000 800 1.8 80.5 40 L2 G3/8 G3/8
2.1 250 270 290 6000 800 1.835 82.5 41 L2 G3/8 G3/8
2.8 250 270 290 5000 800 1.87 84.5 42 L2 G3/8 G3/8
3.5 250 270 290 5000 800 1.905 86.5 43 L2 G3/8 G3/8
4.1 250 270 290 4000 800 1.94 88.5 44 L1 G1/2 G1/2
5.2 230 245 260 4000 800 2.02 91.5 45.5 L1 G1/2 G1/2
6.2 230 245 260 3800 800 2.1 94.5 47 L1 G1/2 G1/2
7.6 200 215 230 3200 600 2.17 98.5 49 L1 G1/2 G1/2
9.3 180 195 210 2600 600 2.25 103.5 51.5 L1 G1/2 G1/2
11 170 185 200 2200 600 2.345 108.5 54 L1 G1/2 G1/2
13.8 150 165 180 1800 600 2.485 116.5 58 L1 G1/2 G1/2
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